In the process of using PC-style hard disk recorders, it is inevitable that many unexpected failures such as crashes will occur. For the newer machines that are normally working normally, most of them are caused by software stoppages, as long as they are forced to close. With these unresponsive software, the DVR can resume normal operation by holding the ctrl and alt keys first, and then pressing the del key. The "Close Program" window appears. Select the software name marked "Stop Response" with the mouse. Press the "end task" button. If the crash is too serious, even the "Close Program" window cannot be displayed or the "blue screen" appears, then you can only press the key combination or reset key again to restart the hard disk recorder. If you encounter the following situations, what should you do?
First, encounter blackouts Display, host, speakers, etc. will be forced to close in a flash. Document data that is being written is lost. If you are performing disk read/write operations, it may also produce bad tracks. The momentary voltage fluctuations of the power failure will also impact the chips, circuits, and resistors of the hard disk recorder hardware. In order not to measure, it is best to install a brand power supply when installing a DVR. This will minimize the adverse effects of voltage fluctuations on the hardware from the power supply. After a power failure, turn off all power to prevent the monitor and atx power from starting at the same time when the next call comes in. This will cause damage to the hardware. When you use the word to edit the document, use the word's auto-save function. If the power outage happens to be on the disk, the next time you boot, do not skip the disk detection at startup to detect the occurrence of bad sectors. Once bad roads are found, use Norton, PQMagic and other tools to repair or shield the bad sectors. In addition, if economically licensed, an ups option is provided to provide power protection for the DVR.
Second, the power outdated To upgrade the hard disk recorders, such as adding a newly purchased high-speed optical drive, due to higher speed, power consumption, increased power load, there will crash or restart the phenomenon. The original power supply did not take into consideration current power consumption of hard disks, video cards, and high-speed optical drives, so the output power of the power supply was not too high. Plus, some of the no-name power supplies themselves “shrink†and could not provide enough power when the system The increase in the number of equipment, power consumption becomes larger, the output voltage of poor quality power supply will be sharply reduced, eventually leading to system instability, automatic restart phenomenon. In addition, poor contact of the power socket, excessive voltage fluctuations may also cause damage to hard disks and other devices. You can replace a high-power, high-quality power supply that will give your hard disk recorder the most security.
Third, automatic shutdown Today's mainstream motherboard temperature monitoring function on the cpu, once the cpu temperature is too high, exceeds the motherboard bios set the temperature, the motherboard will automatically cut off power to protect the relevant hardware. On the other hand, power management and virus software in the system can also cause automatic shutdown. If the above abrupt shutdown phenomenon occurs frequently, first confirm that the heat dissipation of the CPU is normal. Open the box and visually check whether the fan blades are working properly. Then enter the bios option to see the fan speed and CPU operating temperature. If the fan is a problem, perform related dust removal maintenance on the fan or replace the fan with better quality. If the power supply is aged or damaged, it can be confirmed by replacing the power supply. If the power supply is broken, replace it with a new one to prevent burning the hardware. Of course, it may also be poisoning, enter the system, cover the installation of power management from the installation CD, and then thoroughly kill the virus. At the same time, it is necessary to constantly update the antivirus software virus database and use less pirated disks. Do not download unsolicited mail attachments.
Fourth, the system failure Can not enter the system, start the screen still, or display: the disk is error, etc. There are many phenomena prompted by e text. The more common reason is that system files have been modified, corrupted, or loaded with abnormal command lines. In addition, the failure of the hard disk is also one of the reasons. The first thing to try is to be able to enter safe mode. Press the f8 key to select the third item in the boot menu: safe model. After entering the safe mode, you can find the fault through the device manager and the system file checker. You can check whether there is a "!" It is also possible to reinstall the driver, and the system file can be recovered from the installation file (you can copy the windows installation disk to the hard disk in advance). If you cannot even access security mode, boot to dos with the bootable CD or floppy disk, do the virus removal under dos and use dir to check if the system file in the c drive is complete. If necessary, use the system floppy disk to perform sys c:, Restore related basic system files. If there is no file found in the c drive, only the system reinstall is performed.
Video Capture Card Quote Monitor Acquisition Card Price Monitor Video Card Quote Driver 8800 7130 Video Card What is Video Card Price Monitor Video Card Driver Video Capture Card Quote Monitor Acquisition Card Price Network Surveillance Surveillance System Quote Monitor Software Remote Surveillance Surveillance Equipment Wholesale Video Surveillance Network Monitoring software
5, the system is down The desktop is locked or blue screen, the mouse can not move, even if the hot start (a lt + ctrl + del) will not work. In addition to the system's own bugs and compatibility problems between software, it may also be that running too many programs at the same time causes the process to block and cause a crash. When the machine is genuine or false, press the numlock button, and the indicator lights change as false. FALSE When you can press alt + ctrl + del at the same time, select the program name in the list of tasks that appears and mark the item that does not respond. Click End Task. Reality is solved through cold start. For a blue screen, press the RESET key after pressing the ESC key.
Sixth, boot black screen DVR boot first through the power supply, and then the motherboard's bios boot self-test, and then cpu, memory, graphics, hard drives, optical drives and other inspections, if this step in the middle which is a problem, hard disk recorders It cannot start normally, even a black screen. First, make sure that the monitor, mainframe power, and other external connections, and the internal connections between the host power supply and the host power supply interface are connected smoothly. Graphics card, memory due to the use of long, long-term contact with the dust in the air, the formation of the gold finger on the oxide layer can cause poor contact. Wipe the cheat with cotton, alcohol, and dry it until it's back. In addition, observe whether the CPU is working properly, turn on the machine for about half a minute, and touch the CPU fan's heat sink to see if there is temperature. With temperature, the possibility of a broken CPU can be ruled out. No temperature to sort out the cpu socket to ensure contact with place. After this there is no temperature, it may be a cpu problem.
Quote Monitor Surveillance Camera Surveillance Camera Quote Video Surveillance Software Video Surveillance System Surveillance Project Quotation Computer Monitor Closed Circuit Surveillance Security Equipment Surveillance Card Surveillance Security Surveillance Weakness Engineering
VII. Loosening of equipment During the process of moving the equipment, a lot of vibrations will often cause the internal components of the machine to loosen, resulting in poor contact and causing the hard disk recorder to crash. Therefore, you should avoid severe vibration when moving the hard disk recorder. Normally, you can check whether the boards are loose when you find a crash. You can unplug them and plug them in again. The looseness of the memory, the lack of soldering, or the quality of the memory chip itself. Should be based on specific circumstances to exclude memory contact failure, such as re-plug it. If there is a problem with the memory quality, you need to replace the memory module to solve the problem. Hard disk aging or bad use caused bad sectors, bad sectors. This will cause the machine to crash when it is running.
8, hardware resources conflict If the motherboard clock frequency and cpu frequency does not match, the old board will overclock the FSB is too high, may not guarantee the stability of the operation, resulting in frequent crashes. This is mainly due to the fact that the matching of the compatible parts of the machine is not done well. Therefore, it is best to use the whole machine provided by a professional manufacturer, and do not assemble the hard disk recorder. Software and hardware are incompatible. Some monitoring software may not be able to start up or even be installed on some microcomputers. There may be software and hardware compatibility issues. Sometimes the settings of the sound card or video card conflict, causing an exception error. In addition, conflicts with interrupts, dma, or ports on other devices may cause a few driver exceptions to crash. The solution is to start in "safe mode" and make appropriate adjustments in "Control Panel" → "System" → "Device Management". For situations in which unusual errors occur in the driver, you can modify the registry. Select "Run", type "regedit", enter the registry editor, find and delete all "primary key" and "key value" related to the driver prefix string through menu "Find" function, restart.
IX. Inadequate selection of spare parts caused by the death of a few people in the assembly of DVRs to customers, the use of poor quality motherboards, memory, and some even sell counterfeit motherboards and old cpu, memory, which will make the machine in operation very unstable It is inevitable that a crash will occur. The larger the memory capacity, the better, at least 0,5% to 1% of the hard disk capacity. If this problem arises, you should replace the memory with the largest possible capacity. Or add a new memory module to the original memory. Since cpu overclocking increases the operating frequency of the CPU, it may also destabilize its performance. The reason is that the speed at which CPUs access data in memory is faster than the speed at which data is exchanged between memory and the hard disk. Overclocking has made this contradiction even more pronounced and has exacerbated the situation where the required data cannot be found in memory or virtual memory. This will cause an "abnormal error." The solution is simpler. It is to get the CPU back to normal frequency. In addition, for motherboards that do not support udma 66/100, you should pay attention to the setting of the hard disk operating mode in cmos.
Monitor Video Card Quote Drive 8800 7130 Video Card What is Video Card Price Monitor Video Card Driver Video Capture Card Quote Monitor Acquisition Card Price
X. Deadlock caused by software reasons DVR crashes In addition to some of the above hardware issues, there are many caused by the software. Such as:
1. Virus Infection Viruses are a major cause of hard disk video recorders operations, and almost everyone is evil. The virus can make the hard disk recorder work efficiency drop sharply, causing frequent crashes, data loss, system crashes, and even damage the motherboard, hard disk, cpu and so on. Therefore, we must use anti-virus software such as kv3000, Rising and other excellent anti-virus software to conduct comprehensive virus scanning and anti-virus on the hard disk video recorder when discovering the virus, and timely update the anti-virus software.
2. Improper setting of cmos This fault phenomenon is very common, such as hard disk parameter settings, mode settings, improper memory parameter settings, etc., will cause the hard disk recorder can not start. If you set the memory without the ecc function to have the ecc function, it will cause a crash due to a memory error.
3, the initialization file is destroyed Because Windows starts to read system, ini, win, ini and registry files, if there is config, sys, autoexec, bat file, these two files will be read. As long as there are error messages in these files, they may crash, especially the four files of system, ini, win, ini, user, dat, system, and dat are particularly important.
4, the dynamic link library file (dll) is missing There is still a class of files in the windows operating system is also very important, this is the dynamic link library file extension, dll, these files belong to the shared class file in nature, also That is, a DLL file may have more than one piece of software that needs to be invoked at runtime. If we delete an application, the software's anti-installer will record the files it once installed and prepare to delete them one by one. At this time, the deleted dynamic link library file will be prone to be deleted. In the case of software, if the missing link library file is the more important core link file, the system will crash or even crash. At this time, we can use tool software such as "Super Rabbit" to delete unwanted dll files, which will avoid accidental deletion.
5, the hard disk space is too little or too much fragmentation due to the operation of some applications require a large amount of memory and hard disk space, if the hard disk's free space is too small, when these applications run a large amount of memory and the machine memory is not large, Need to use virtual memory, and virtual memory is provided by the hard disk, so the hard disk should have enough free space to meet the needs of virtual memory. Therefore, when we are equipped with hard disk recorders, we must configure larger hard disks. In addition, we must also develop a good habit of regularly arranging hard disks and clearing junk files on hard disks. This will not only avoid crashes due to insufficient spare space or too much debris in the hard disk, but also increase the speed of normal operations.
6, bios upgrade failure The operator should back up the bios in case of an accident, but if the hard disk video recorder system needs to upgrade the bios, then it is best to determine before the upgrade whether you use the bios version is consistent with your pc. If the BIOS upgrade is not correct or an unexpected power failure occurs during the upgrade, the hard disk recorder system may fail to start. So before you upgrade bios, you must figure out the bios model. If you use the bios upgrade tool to backup the current bios, you should copy the previous bios on disk. At the same time see whether the system supports bios recovery and how to recover.
7. Inappropriate software upgrades Most people may think that software upgrades will not be a problem. In fact, some of the shared components will also be upgraded during the upgrade process, but when other programs may not support the upgraded components, Various problems will lead to crashes. Therefore, when you upgrade the software, you must also pay attention to the operation, first understand the characteristics of the upgraded software, performance, and possible troubleshooting methods and then upgrade.
8. Misuse of beta software There are many operating software on the market for some beta software to check the software's operational reliability and stability, so that it can be properly improved when it is officially published. Therefore, the testing software usually has some bugs or In some respects, it is not stable enough. The beta software cannot be considered fully mature software. Therefore, when we are not very expert on hard disk recorders, it is best to use less software test version, so as to avoid data loss after the use of program errors, crashes or system failure to start and so on, to bring their own unnecessary trouble.
9, illegal uninstall software Because the hard disk recorder is running a lot of software, people always like to often download, install and uninstall software, which is not good. Do not delete the directory where the software is installed. If you delete it directly, there will be a lot of garbage in the registry and windows directory. As time goes by, the system will become unstable and cause crashes. Therefore, do not download and install software that is not necessarily needed.
10. Use of pirated software Nowadays, there are so many pirated softwares. Almost all softwares have been pirated. Because these pirated software may hide viruses, once executed, it will automatically modify your system and cause the system to crash in operation. However, if genuine software is used, I am afraid it is not realistic. Therefore, it is only possible to use as little pirated software as possible. In particular, software that is not commonly used and software that is not expensive are not required to use pirated software.
11, application software defects This situation is common, such as running win 98 in dos or windows 3, 1 16-bit applications that run well. Win 98 is 32-bit, and although it claims to be compatible, there are many places that cannot be coordinated with 16-bit applications.
12. Too many startup programs Too many startup programs can cause system resources to be exhausted. As a result, the data required by individual programs cannot be found in memory or virtual memory. An abnormal error will occur and cause a crash. Therefore, it is recommended that the startup procedure be less.
13. Illegal Operation Unauthorized opening or release of a program with an illegal format or parameter may also cause the hard disk recorder to crash. Please note that to keep in mind the correct format and related parameters, do not open and release unfamiliar programs at will.
14. Non-normally closed hard disk recorders PC-type hard disk recorders are mostly equipped with wordows system, therefore, we do not directly use the power button in the chassis when shutting down, otherwise it will cause system files to be damaged or lost, causing automatic startup or running Deadlock. For windows98/2000/nt and other systems, this is very important, if serious, it will cause the system to crash. Therefore, for PC-type hard disk recorders to shut down, unless the pc-type hard disk recorder crashes and can not program shutdown, usually must use the "close the system" button on the hard disk recorder to shut down properly.
15, memory conflict Sometimes pc-type hard disk video recorders are normal when running a variety of software, but it will suddenly crash inexplicably, but after restarting these applications is very normal. This is actually a phenomenon of false death. Most of the reasons for this are due to memory resource conflicts in win 98. As we all know, application software runs in memory, and when you close application software, you can free up memory space. However, due to design reasons, some applications may not completely release the memory even after the shutdown. When the next software needs to use this memory address, a conflict will occur.
(1) Virus destruction Since the hard disk video recorder was introduced, a hard disk recorder virus has also emerged. When the network has become the main artery of information in today's society, the spread of the virus is more convenient, and it also interferes and undermines our normal work from time to time. Typical of this is the “Blaster†virus that caused serious damage to the global hard disk recorders some time ago. It will also prompt the system to start automatically after 60 seconds. In fact, as early as the dos era, there are many viruses that can automatically restart your hard disk recorder.
Regarding whether it is a virus damage, we can use the latest version of anti-virus software to kill viruses, and viruses will generally be found. Of course, there may be a malicious invasion of your hard disk recorder and a Trojan horse program when you go online. In this way, the other party can remotely control all the activities of your hard disk recorder, and of course, also include having your hard disk recorder restart. For some Trojans, it is not easy to remove, it is best to reinstall the operating system.
(2) System file corruption When the system files are destroyed, such as kernel32.dll under win2k, fonts under win98 fonts directory, etc., the basic files are destroyed when the system is running, and the system will not be able to complete the initialization and force the restart when the system starts. . You can do an experiment and rename the fonts under the win98 directory to "fonts". When you turn it on again, our hard disk recorder will start repeatedly.
For this kind of failure, it can only be installed or reinstalled because it cannot enter the normal desktop.
(3) Timed software or scheduled task software works If you set a restart or load some work program in the "Task Tray", the hard disk recorder will start again when the time comes. For this kind of situation, we can open the “start†item and check if there are any unfamiliar executable files or other regular working procedures inside, check it and then start the check. Of course, we can also enter the "msconfig" command directly in "Run" to select the startup item.
Monitor Video Card Quote Drive 8800 7130 Video Card What is Video Card Price Monitor Video Card Driver Video Capture Card Quote Monitor Acquisition Card Price
Hardware One, mains voltage instability General home DVR switching power supply operating voltage range of 170v-240v, when the mains voltage is less than 170v, the hard disk recorder will automatically restart or shut down. Because of the volatility of the mains voltage, we sometimes do not feel it, so we will mistakenly think that the hard disk video recorder has somehow automatically restarted.
Solution: For areas with frequent power supply instability, we can purchase ups power supply or wide-range switching power supply of 130-260v to ensure stable operation of the DVR. Professional hard disk recorders are best for 300-400v power supply.
Second, the quality of the socket or power outlet is poor, and the power supply on the market is poor. Most of the power strips on the market are of poor quality. The internal contacts are all hand-welded and often use acidic fluxes, which can easily lead to solder joints in later use. Oxidation causes an open circuit or leakage between the live and neutral lines. Because of manual welding, and because of the poor elasticity of the phosphor bronze sheet, it is easy to lose the elasticity in a long time, resulting in poor contact with the host or the power plug of the display and resulting in a large contact resistance. A large amount of heat will cause a virtual connection. This will be a host reboot or a black screen flash.
Another possibility is that we use wall sockets in our homes. Most of the wall sockets are not installed by professionals. Therefore, the internal wiring of the sockets is very non-standard. In particular, these sockets are very easy if we often use high-power electric heaters. Causes an internal heating oxidation to form an intermittent power failure, causing the hard disk recorder to restart or the display to blink.
Solution:
1. Don't plan to save money and buy inexpensive power strips. Buy some brand-name power strips because they are all machine-mounted and crimped automatically. No manual welding is used.
2. For the question of whether it belongs to the virtual connection inside the wall socket, we can try to change the host to a wall socket and see if there is the same problem of automatic restart.
Third, the lack of power or poor performance of the DVR power supply This situation is also more common, especially when we add new equipment for their own host, such as the replacement of high-end graphics card, an increase of the burner, after adding the hard disk, It is easy to appear. When the host computer works at full speed, such as running monitoring software, recording at a high speed or preparing to read the optical disk, just when the dual hard disk copy data, it may cause power protection due to insufficient instantaneous power supply to stop the output, but when the power is stopped After the output, the load is reduced and the power supply starts again. Because the recovery time after protection is very short, the performance given to us is that the host automatically restarts.
In another case, the performance of the host switching power supply is poor, although the voltage is stable and within the normal allowable range, but because the harmonic content in the output power is too large, it will cause the host to often crash or restart. For this situation, it is normal that we use a multimeter to test its voltage. It is better to replace a good power supply for replacement.
Solution: Replace the high-quality, high-power DVR power supply.
Fourth, the mains switch power supply plug is loose, poor contact, not inserted this situation, most will appear on the diy machine, the host power supply with the power cord does not pass 3c certification, and the power outlet does not match. When we shake the desk or touch the main unit, the main unit will automatically restart. Usually it will be accompanied by a slight electric spark.
Solution: Replace the high-quality 3c certification power cord.
Fifth, the board's power atx20 socket has a virtual weld, poor contact This failure is not common, but it does exist, mainly in the normal work of the host, around the atx20 pin plug to see if the host will automatically restart. At the same time, check whether the reed inside the 20-pin power plug is oxidized. This can easily lead to large contact resistance, poor contact, and cause the host to crash or restart. Sometimes it is necessary to check the connection line at the end of the 20-pin plug.
Solution:
1, if it is the motherboard solder joints, direct welding with soldering iron on it. Note: When soldering boards such as motherboards, hard disks, and video cards, be sure to ground the soldering iron properly or unplug the power plug during soldering.
2, if it is a power problem, it is best to replace a good power supply.
Six, cpu problem The internal part of the cpu function circuit is damaged, the second-level cache is damaged, the hard disk recorder can also start, and even will enter the normal desktop for normal operation, but when a special function will restart or crash, such as Tables, playing vcd, playing games, etc.
Solution: Try to mask the L2 cache (l2) or the L1 cache (l1) in the cmos to see if the host can run normally; instead, replace it with a good cpu. If it can be normally operated after being screened, it can still make use of it. Although it is slower, it will actually save money.
VII. Memory Problems If a chip is not completely damaged on the memory module, it is likely to pass the self-test (mostly post is set), but at run time it will restart unexpectedly due to the large amount of heat generated in the memory. . Most of the time when the memory is damaged, it will open the alarm, but it will not alarm after the memory is damaged, and there are still some failures without power-on. It is best to use the elimination method to quickly determine the fault location.
8. Optical Drive Problems If the internal drive is damaged, it may cause the host to start slowly or fail self-test, or it may restart suddenly during the work process. For the latter case, if we have replaced the optical drive, it is likely that the power consumption of the optical drive is different. What we need to understand is that although the optical drive's atpi interface is the same, the pin definitions of different manufacturers are not the same. If there is a problem with our hard disk line, it may cause no problem for the use of a certain brand of optical drive, but for other The situation that the brand optical drive cannot work will require everyone's attention.
Nine, reset key quality problems If the reset switch is damaged, the internal reed is always in the short-circuited position, the host can not power up self-test. However, when the reset switch is weakened elastically or the buttons on the chassis are not easily pressed to spring up, they will appear during use because of occasional contact with the chassis or under normal use and the host suddenly restarts. Therefore, when the reset switch can not be pressed freely, we must carefully check, it is best to replace the new reset button switch or external lubrication button on the chassis.
There is also a situation that the insulating switch in the reset switch leads in the chassis is too stripped during the welding process. In addition, unpacking the switch in the process may cause the reset switch line to be in close proximity and cause a collision, causing the host to restart automatically.
This situation is generally due to external faults, such as the printer's parallel port damage, a short circuit to the ground, usb equipment damage to the ground short circuit, network card work is not standard, etc. When we use these devices, because of the sudden power supply Short-circuit causes the hard disk recorder to restart.
Other reasons First, poor heat dissipation or poor temperature measurement CPU failure, often the problem is the cpu heat sink fixed clip off, cpu radiator and cpu contact between foreign matter, cpu fan long after use radiator dust too much , These conditions will lead to poor CPU cooling, accumulation of temperature is too high and automatic restart.
There is cpu under the temperature probe damaged or p4 cpu internal temperature measurement circuit is damaged, the bios on the motherboard has a bug in a special condition under the temperature measurement is not allowed, these will cause the host in the process of automatic protective restart.
The last is that the cpu protection temperature we set in cmos is too low to cause the host to restart automatically.
Second, the fan speed failure When the cpu fan's speed circuit is damaged or the speed line intermittently disconnected, because the motherboard can not detect the fan speed will be mistaken for the fan to stop and automatically shut down or restart, but we may see the cpu fan The rotation is normal and the speed is normal.
Third, strong magnetic interference Do not underestimate electromagnetic interference, many times our hard disk video recorder crashes and restart is also caused by interference, these interference from both internal chassis cpu fan, chassis fan, video card fan, video card, motherboard, hard disk interference, There are also interferences from external power lines, inverter air conditioners and even large equipment such as automobiles. If our host has poor interference or poor shielding, there will be unexpected host restarts or frequent crashes.
Monitor Video Card Quote Drive 8800 7130 Video Card What is Video Card Price Monitor Video Card Driver Video Capture Card Quote Monitor Acquisition Card Price
DVR troubleshooting method
1. Question: What is the cause of the jitter in the monitor display?
answer:
This situation is generally due to the display refresh rate is set too low, enter the "Display Properties" click "Settings", select "Advanced", and then select "Monitor", adjust the new frequency to 75hz, determine the exit can be resolved This problem.
2. Question: Why does the monitor appear with a screen saver or a black screen after boot monitoring for a period of time?
answer:
This situation is caused by not having to cancel the screen saver or improper power management settings. The solution is to exit from the monitoring system to the windows operating system interface, right-click on the interface, select "Properties", select the screen protection in the appearing tab, select (none) to cancel the screen saver. Then click on the settings button in the lower right corner, select "Always open" in the power scheme, the system waits to select "never", close the monitor and select "never", "close the hard disk" where "never", and finally click "OK" can be.
3. Question: What is the reason why the digital hard disk recorder image shows only the image without the operation button or the screen is not full of the entire screen?
answer:
Under normal circumstances, the display resolution setting does not meet the requirements, the desktop resolution is set to 1024*768, and the small font can be changed to a large font.
4. Question: How should the HD video host be partitioned?
answer:
System main hard disk:
1) Create primary partition c: (2 to 3gb) (OS + application software.)
2) Create an extended partition (100% of the remaining hard disk)
3) Create a logical partition d under the extended partition: (usually allocate about 4gb, main application backup and some video data)
4) Create logical partition e under the extended partition: (remaining hard disk space) (video data)
The system expands the hard disk: Each partition is divided into only one extended partition, and only one logical partition is established under the extended partition.
Special attention: the host hard disk must be divided at least c: d: e: three or more partitions, otherwise the system does not work properly.
5. Question: What can I do if I get stuck after I can't loop video or video is full?
answer:
First of all, read the instructions of the host computer carefully to confirm whether the video recording mode is set to “one record†or “recycle videoâ€. Second, this situation is very likely related to the tools used by the hard disk partition. It is recommended not to use any hard disk partitioning tools. Windows98 is best used to partition using the fdisk partition command. Windows 2000 uses its own partitioning tool to partition.
Why does the image display have no operation buttons, only images?
Set the desktop resolution to 1024*768, then click Advanced in this tab, then change the small font to large.
6. Why does the monitor appear with a screen saver or a black screen when the monitor is turned on for a while?
After exiting to the operating system interface, right-click on the interface, select Properties, select Screen Saver in the tab that appears, and select (none) to deactivate the screen saver. Then click on the settings button in the lower right corner, select "Always open" in the power scheme, the system waits to select "never", close the monitor and select "never", close the hard disk and select "never" and then OK.
7, why no boot?
Make sure the chassis and monitor are properly connected and the power is connected and turned on. In the process of transportation and moving, the body may loosen the internal card accessories. It is best to open the chassis before starting the machine and confirm that the components are plugged in and then turned on. If the main board self-check is abnormal during boot (normally the keyboard indicates that the led blinks once and the host buzzer emits a “beep†sound), please turn off the power and check whether the CPU board and the video card are fully inserted, and remove the board. Plug in again. If you press the power switch and the cpu fan does not turn and the panel power indicator does not light, check that the power supply is connected properly.
8. Why does the system crash? How to restore?
If the improper setting of windows or some other software failure causes the system to work abnormally, system crashes will occur. The following methods can be used to recover the system:
First: Windows registry method repair system. For example, if you do not open the monitor or the monitor is connected improperly when you start the system for a certain time, the system cannot be normally accessed when the system restarts. You can use the following steps to repair it.
Restart, hold down the f8 key during startup, and select "command prompt only" in the boot mode selection menu. After startup, type the following command line: scanreg /restore Select the date the system was last working to restore.
Second: When using the recovery registry does not solve the problem, you can use ghost mode to restore the system, provided that you have used the ghost backup system. Use method is to start (start with hard disk or boot with win98 boot disk) to dos state, run ghost.exe, follow the prompts to complete the system recovery.
9. What should I do if there is no image display?
Cause one: The graphics card is not compatible. You can test with direct draw. If the test passes, it is not for this reason.
Cause two: The pci interface is not in good contact. You can change the PCI slot test.
Cause three: If the card is damaged, you can consider changing the card test.
10. Audio and video card driver installation instructions.
The driver for the video card cannot be installed in more than one. Only check the complete number of drivers in safe mode.
Example: You have 8 cards plugged into the motherboard. You can only install 8 drivers. You should check the number of audio and video card drivers in 'safe mode'. If the video card driver is more than the number of installed video cards, the system sometimes does not work properly.
Note: Four-way real-time cards are equivalent to four separate cards, four drivers need to be installed, and the other audio and video cards install one driver per card! If you find this phenomenon, you should put all video cards in 'safe mode' Remove all the drivers (including other duplicate devices of the system), and then restart the computer.
11. Why can't the computer find the card?
Cause one: The computer power supply is not atx power supply. Please use atx power supply.
Cause two: The PCI slot of the computer is damaged. Please change the slot test.
Cause 3: The card is damaged. Please change the card test.
Monitor Video Card Quote Drive 8800 7130 Video Card What is Video Card Price Monitor Video Card Driver Video Capture Card Quote Monitor Acquisition Card Price
12. What should I do if the video playback quality is poor?
For our hard disk recorder under the 'normal' compression quality, video playback quality is satisfactory. But sometimes the phenomenon of 'mosaic' is found to be serious. Especially for moving images, the image becomes blurred. The main reason is that your camera's brightness is too low (do not try to change the brightness of the hard disk recorder to compensate). Adjust the brightness of the camera to compensate. This should pay special attention to the construction of the project.
13. What if the real-time monitoring image is not clear?
In the system setting of the digital hard disk recorder, "common camera" or "high definition camera" can be selected according to the model or the resolution of the configured camera; at the same time, the brightness, chroma, contrast and saturation of the video can also be adjusted. Value to achieve satisfactory results.
14, the program can not start or initialization failed how to do?
Cause one: The shortcut is wrong. Unable to hook the application, the shortcut does not start, delete the shortcut and recreate or reinstall the program.
Cause two: The acceleration software of directx8.0 or later is not installed.
Cause 3: The card model has not been correctly identified. Run config.exe program to identify the card to the rear
15. What if the monitor button does not work?
Cause one: No audio is used or the selected channel does not have audio.
Cause two: The sound card is not installed or the sound card driver is not installed.
Cause 3: The sound card does not work properly. It is recommended to use the direct sound test by running the dxdiag.exe program in the c:\windows\system directory to test the working status of the sound card. If the test fails, follow the instructions below:
First: Restart the computer to "safe mode", open the device manager, remove all duplicate device drivers, and then restart the installation of the driver, run the dxdiag.exe program test, can pass the test. If it still doesn't work, press a step.
Second: If there is a problem with the integrated sound card, when replacing the sound card, please shield the integrated sound card in the bios, otherwise it cannot be used; for a sound card, run the dxdiag.exe program test, if you can not pass the test, you can only replace Motherboard.
16, audio monitoring, playback is not normal how to do?
If the audio monitored and played back is not normal, the possible causes are:
Cause one: system compatibility caused.
When using the IPC to install the system, it is recommended that the audio card be installed in the basic PCI slot (*cpu board slot).
Such as: Vectra motherboard, basic pci slot name: pci x, x serial number, extension pci name spci x, it is recommended that the audio card installed in pci x slot; EVOC motherboard, basic pci name: pci1-x, x is the serial number, and the extension pci is pci2-x. It is recommended that the audio card be installed in the pci1-x slot. Commercial motherboards do not have this problem.
Cause two: The driver of the sound card driver or system device is installed incorrectly.
In secure mode, check the sound card and system device drivers, remove duplicate device drivers, restart the computer, and install the driver provided by the product vendor. And using the directsound test, it is best to use a sound card with software buffering and hardware buffering.
Reason 3: Since the sound output amplitude of the monitor on the market is different, the factory setting of our company is: vpp=2v. The mismatch of the audio input's amplitude results in poor audio performance. You can adjust the magnification by inputting the audio/video card. If the monitor's output amplitude is not within the listed range, it can only adjust the monitor's output amplitude, such as: reduce the monitor's power supply voltage.
17. Monitor is normal, but no sound is played back?
The reason is that the "Allow recording" is not set. In the "camera settings" of the system settings, the desired recording camera is checked "Allow recording".
18. Why is the image still?
It may be that the audio and video cards are dead. It may be that the audio and video cards are not in good contact with the computer's pci slot. You can turn off the computer and restart the computer. If there is a more frequent dead card phenomenon, you may consider changing the card; if not very often The situation may be because the system working time is too long, you can set the system to restart at regular intervals to relieve the system working pressure and release the memory; you can also add a reset line connected to the computer on a certain card of the system to achieve automatic recovery. The purpose of the system.
Re:19. Why doesn't the setting work? All settings...
19. Why does the setting not work?
All settings are valid at the beginning of the next minute after the setting is completed.
20. Why is the front end control inflexible?
The possible reason is that the connection between the decoder and the PTZ is not good, or the communication cable is too long. Generally, the decoder and PTZ are installed near the decoder. That is, the decoder is generally installed near the PTZ.
21. Why is video interference serious?
Cause one: The video cable interface is not in good contact.
Cause two: The video cable is disturbed by strong electricity, and the video cable cannot be routed along with the strong electricity line.
Cause three: The camera cannot be grounded. In the entire system, only the center can be used for single-point grounding, and the multi-point grounding cannot be used, otherwise it will cause common-mode interference.
22. Why is there no image display after the computer restarts?
The reason is that the computer reset time and audio and video card reset time are not synchronized. If this phenomenon occurs frequently, contact the product supplier.
23, why the system timing crashes?
If you encounter a digital hard disk video system is more than a regular crash, such as: every morning around 7:30 crashes. This situation is usually easy to appear in the factory, because the factory's strong electric shock to the video cable, so that the video card does not work, causing the system to crash. Only improving the power supply or isolating the digital video recording system can solve the problem.
24. Why is the mobile alarm inaccurate?
The accuracy of the motion detection alarm is related to the camera. Each camera can be tested by the mobile detection sensitivity test function to find out the sensitivity value that can be accurately detected.
25. Why can't the alarm video be retrieved?
If manual recording or scheduled recording is in progress, when there is an alarm recording, the system will have an alarm recording (indicator light). However, when the playback does not retrieve the current alarm file, only one minute after the alarm can be retrieved. It is a normal situation because all the videos are recorded. To see this video, you can search by time or manually.
26. Why is no alarm detected?
Cause one: The alarm detection time switch is not turned on.
Cause two: The alarm controller power is not turned on.
Cause 3: The alarm controller and the computer serial port are connected incorrectly. The alarm controller can only be connected to the serial port 1 of the computer. If multiple alarm controllers are used, they must be connected through the rs232/rs485 converter because the rs232 can only be connected point-to-point and cannot be connected in parallel. When there is only one device, when the communication distance is not too far (within 12m), it can be directly connected with the computer, pay attention to the correct connection of tx, rx and gnd, the third pin of the computer serial port i and the rx of the alarm controller ( R232) connection, the second pin of the computer is connected to the tx (t232) of the alarm controller, and gnd is to gnd.
Cause four: The moving alarm area is not set or the sensitivity is too low.
25, why the false alarm?
Cause one: The sensitivity of the mobile alarm is too high. You can pass the test and select the appropriate sensitivity value.
Cause two: The alarm probe and the alarm controller are connected incorrectly. Please connect correctly according to the instructions.
26. Why is the system slow and the image jittering?
Cause one: The reason for the slow system speed may be due to the use of a non-intel chipset motherboard or a lower CPU speed.
Second reason: Hard disk data lines do not use ata66 or ata100 high-speed data lines or data lines reversed (color heads connected to the motherboard ide seat).
27. Why is there a frame dropping phenomenon in image playback?
Exit the monitoring program, use the play wizard to play, if there is the same situation, there is indeed a drop frame phenomenon, you can view the system work from other aspects, check the cpu speed, memory work status, etc.; the other hand, the same as the previous "The system is very slow and the image jump "The reason is the same.
28, extended ide interface Why can not normal use?
The motherboard driver is not installed correctly or the IDE card driver is not installed correctly.
29. Why is the blue screen phenomenon frequently occurring?
Cause one: The memory is not working properly, and you can replace the memory for testing.
Cause two: The operating system has an error, such as: virus intrusion, etc. Please check the virus and restore the system.
30. Why is the system unable to record?
Cause one: No video is set (timing video, manual video), all settings are valid at the beginning of the next minute after the setting is completed.
Cause two: The disk space is not enough. An error on the disk causes the system to calculate the disk space. After scanning the disk, you can recover it.
31. Why can't it be covered automatically?
Cause one: There is no "Delete oldest file after disk full".
Cause two: The disk has a logical error. After the disk is scanned, it can be restored to normal.
32. Why does the client prompt for network initialization error when connecting to the host?
Cause one: The network card is not working properly and the network is disconnected. Please check the driver of the network card and whether "tcp/ip protocol" has been added.
Cause two: In the LAN, the client does not specify the IP address of the network card; if it is connected to the internet, the ip address is automatically obtained, and the IP address cannot be specified. Otherwise, this prompt may occur.
33. Why failed to connect to the server?
Cause 1: The network is disconnected. You can use the ping command to test the network continuity status.
Cause two: The server ip and port number are set incorrectly.
Cause three: The server did not provide the registration password or the login user name and password were incorrect.
Cause four: The client user does not have a registered user or does not have permission to use it.
34. Why is the network client image quality poor?
One reason: There is no directx8.0 version acceleration software installed.
Cause two: The network bandwidth is insufficient. In theory, the bandwidth of 512 kbps can fully achieve real-time audio and video transmission of all the way, but it is not possible to achieve real-time transmission of two channels of audio and video at 1 mbps, because the so-called bandwidth is only theoretical, and there is a problem of network transmission efficiency. Under the network conditions, the efficiency of network transmission is different.
35. Why is the network client image confusion?
When using two or more servers in the same local area network, set the IP address or port number of the multicast group to be the same (it should have an independent multicast group IP address and port number), and change this setting.
36, why the client can not be remotely controlled?
Cause one: The host does not have a front-end controllable device such as a decoder.
Cause two: The server does not provide control rights to the client.
37. Why can the client only see images all the way?
When the server sets the network mode to unicast or tcp/ip mode, the client can only watch one way at a time. Multicast mode can see multiple pictures.
If the network is connected through a switch or router, when using a multicast protocol, it must be confirmed that the switch or router supports the multicast protocol; otherwise, the multicast protocol cannot be used.
38, how to achieve two computers to company?
Two computers can be connected by cables to form a simple LAN.
Method: Use a Category 5 twisted pair to interconnect through a network card. The connection method is: asymmetric twisted pair, that is, 1, 2, 3, 4, 5, 6 corresponds to 3, 6, 1, 4, 5, 2 respectively; The network cable connected to the hub or switch is a symmetrical twisted pair cable. That is, 1, 2, 3, 4, 5, and 6 correspond to 1, 2, 3, 4, 5, and 6, respectively.
39, how to use dual network card?
The digital video recording system can only use the first network card on a computer with a dual network card. In particular, when a client uses a dual network card, it must use the first network card to connect a digital video recording host.
40, how to achieve remote monitoring?
Key point 1: There is a network that can be used by the monitoring system.
Point two: can provide a fixed IP address for digital hard disk recorders.
1. In the LAN, manually assign a fixed IP address.
2. Internet, apply for a fixed ip address.
3. The phone (isdn, pstn) assigns a fixed ip address to the dialer adapter for dialing.
Point 3: The client can obtain the IP address. If it is in the LAN, manually specify an ip address.
Point 4: The client can use the ping command to test the connection status with the server and confirm that it can ping through.
Point 5: The client sets the correct server IP address and port number.
Point 6: The server provides the client with a registration password and the corresponding usage rights.
41. Is the installation of the software platform convenient?
The installation of application software comes with an installation wizard, which is easy to install. The application software generates information in the operating system registry.
42, whether to use standardized hardware components?
Standardization of hardware assembly, support industrial control board [ICC], EVOC, North China Industrial Controls can be, ordinary PC motherboard support (intel chipset) Biostar, ABIT, ASUS and so on.
43. Does the system have password protection function?
Have. The system has a registered password, a client password, etc. The password-controlled permission levels (playback, control, settings, etc.) are not the same.
44. The stability of the host device in a 24-hour video recording job?
The system is very stable for 24 hours a day for six consecutive months.
45. Does the local host software use software dogs?
The newly developed mpeg4 hardware compression video card no longer requires software dog support.
46. ​​Does the standard host include a network transmission section?
Host network transmission is powerful, with local area network, wide area network, broadband network, internet and other remote transmission and control functions. Among them, the four-channel audio and video synchronization transmission and recording in the domain network.
47, There are several different versions of the software? (Not an upgraded version, but an operating version)
The software operation version is the official operation version to ensure stable operation. The software supports the win2000 operating system.
Monitor Video Card Quote Drive 8800 7130 Video Card What is Video Card Price Monitor Video Card Driver Video Capture Card Quote Monitor Acquisition Card Price
48, the local host can install several hard drives?
The common industrial control chassis internally supports 8 hard disks, and the dedicated chassis supports 12 hard disks.
49, local image display quality? Is it full screen? (For different operating versions)
Local image display quality up to 560tvline (related to the camera), display and playback can be full-screen, real-time monitoring can hide the interface.
50. Is local playback multi-channel playback?
Yes, four-way simultaneous playback is currently being performed and eight-way playback is being performed.
51, how to set the video level?
Video level settings are best, good, good, and normal 4 levels.
52, there are several types of video?
There are continuous video, dynamic video, alarm video, time plan video and other methods.
53, the quality of video playback?
The video shows the highest quality of 560 lines, playback of the highest 460 lines (related to the camera and video level).
54. How is the image resolution?
The system's image display resolution is 352 x 288 pixels; video resolution is 352 x 288 pixels.
55. Can the number of video playback frames reach 22 frames or more?
The number of video playback frames is guaranteed to be over 24 frames (including audio).
56, whether it has character overlay function?
The system can superimpose time, date, site name, etc. on the image display and playback.
57, the sensitivity of the video area alarm?
Divided into 99 dynamic area monitoring alarms and sensor alarms.
58. Alarm area percentage adjustment and level value adjustment?
Alarm zone dynamic detection sensitivity 0--100% adjustable.
59, the alarm can be recorded in advance (in either way can be)?
Using the latest mpeg4 dynamic layered compression technology, the video card integrated system has an alarm recording function one minute ahead (can be set arbitrarily in units of 5 seconds), ensuring image evidence in emergency situations (system is a full-duplex communication method, retrieval, Playback, setup, and backup do not affect the normal recording of the system.
60, after the alarm triggers the function of the relay?
Trigger the relay after the system alarm. (External alarm controller connected to the police lights, siren, alarm linkage function)
Does the alarm automatically capture the image?
Remote alarm, local alarm function, alarm manual capture function, and additional alarm record function.
61. Is it possible to capture images manually?
Easy manual capture of image functions, click on the relevant controls to achieve, and the image can be printed.
62, video playback speed selection?
Single frame enter, retreat, fast forward, fast rewind, variable speed play, next file, previous file, loop play, preview play function is complete.
63, the number of image transmission frames can reach 20 frames or more?
More than 22 frames in the LAN (4 simultaneous transmissions).
64, how to send the image quality? Clear or not?
Up to 480tvline in LAN.
65. Is there any partial enlargement of local video playback?
Have.
66, single-frame image transmission bandwidth?
1-7k \\f (data volume 120 mega \\road \\ hours).
67, whether there is no connection between data packets?
The difference between packets is no more than 2 frames, no connection.
68, the way the sound is sent?
Audio and video synchronization transmission (audio and video data in the same package, to solve the sound delay problem).
69, whether the sound transmission two-way transmission? How to transmit and set through the wide area network?
Support voice two-way transmission function. WAN transmission is limited due to bandwidth issues.
70, the host has several actions after the alarm?
After the alarm, the host starts alarm recording and linkage alarm (warning, siren).
71, a whole system can be connected to the maximum number of alarm input and output channels?
A complete system can connect up to 16 alarm inputs and 16 alarm outputs.
72, how does the client achieve all images that receive the front end? What equipment is needed?
The client software downloads the front-end data to the client, enabling local playback of all images without additional external devices.
73, whether the client can video?
The client can video.
74, whether the client can look at the existing sender image file?
The client can easily view the existing sender image file (image remote playback function).
75. How many ways can the client see the sender's video file?
Data can be played locally, remotely, and downloaded and played back.
76. How many client image frames can be reached?
More than 22 frames in LAN.
77, the client can clearly accept the number of video channels?
Optional 4 way for real-time monitoring (more than 22 frames in the LAN).
78, whether the client can display full screen, zoom part of the pixel compensation function?
The client can display full screen, and the zoom part has pixel compensation function.
79. Can the client provide speed or quality priority?
When speed priority or quality priority, the other side is limited.
80, whether the client has alarm text prompts?
The client has alarm text prompts.
81. Can the client manually switch the video screen?
The client can manually switch the video (optional channel).
82. Can the client control the front-end head and lens?
The client can control the front-end PTZ, lens and other devices.
83, the client's adjustment of image brightness, contrast?
The client can adjust the brightness and contrast of the image.
84, the number of client hard disk video frames?
The number of client HDD frames is more than 22 frames on the LAN.
85, the quality of the client hard disk video?
Client hard disk video can achieve vcd quality.
86, based on what operating system? win98 or win2000?
Operating software win2000.
87, operating hotkeys can be shielded?
can.
88, how easy is the software operation, especially in the settings and network transmission settings?
The full Chinese interface software is simple to set up and network transfer settings.
89, how to set the permission of video playback?
Can be set (system settings, retrieval, front-end control).
90ã€What is the size of the files recorded on the hard disk video card?
According to the selected bit rate, the average hard disk space occupied by 25 frames in one hour is 250 m, and the minimum is about 100 m. However, the video quality will be significantly reduced at this time.
91, a computer can insert up to how many hard disk video card?
If there are enough pci slots on the motherboard, you can plug in up to 24 hard disk video cards (use industrial control computer chassis, use multi-slot motherboard).
92. Can a hard disk video card record video images in real time? How many video images can I record in real time?
Of course, 25 frames per second can be recorded. Up to 24 video images can be recorded in real time. Each frame is 25 frames.
93, multi-channel hard disk video card at the same time when recording video images can be observed on the computer monitor video images?
Yes, we can use the sdk to capture compressed video images in real time while previewing the captured video images on the monitor screen. However, the maximum resolution of each preview window must not be greater than the capture resolution.
94, hard disk video card on the computer's hardware requirements?
If you use a hard disk video card, basically all the p-233mmx or more computers can use the hard disk video card. If you use multiple hard disk video cards, you should try to improve the computer hardware configuration.
95, what kind of operating system can the hard disk video card work under?
Hard disk video card can be used under windows95/98/2000, support pnp function.
96, how to insert the multi-block hard disk video card in the video image below to display the various video source tag?
You can use our software tools and secondary development kits to create a logo file for each video source. The background of this file will be automatically filtered out, and the image or text will be automatically superimposed on the video image.
97. How to simultaneously display the synchronized images of each video source under the condition that multiple hard disk video cards are recorded simultaneously?
If a very high real-time recording is required and the preview image is synchronized in real time, our preview daughter card can be used so that multi-channel video images can be previewed in real time in real time with accurate real-time capture.
98. Can a hard disk video card collect sounds at the same time? Can multiple hard disk video cards collect their own voices while simultaneously recording images?
If you use an ordinary hard disk video card, you can use a sound card in the computer system to record sound when using a hard disk video card. If you use more than one ordinary hard disk video card, you can't record your own separate sound in each hard disk video recording, but We have developed a separate audio compres