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7 FAQ and Maintenance
7.1 FAQ
Question
Possible Cause and Solution
No response after power up
1. The input power is not correct.
2. Switching power line contact is not good.
3. He switching power supply damaged.
4. Program upgrade error.
5. Hard disk damage or hard line problems.
6. The front panel fault.
7. Device damage to the motherboard.
A few minutes after boot up,
device auto reboots or
system crash.
1. The input voltage is unstable or too low.
2. Hard disk jumper is incorrect.
3. The hard disk has bad sectors or bad hard line.
4. Switching power supply power is not enough.
5. The front-end video signal instability.
6. Poor heat, too much dust, the machine is too harsh operating
environment.
7. The device hardware failure.
Cannot find HDD
1. The hard drive power cable is not connected.
2. The hard disk bad cable.
3. The hard disk jumper errors.
4. The hard disk is damaged.
5. Bad motherboard SATA port.
Cannot fins record for local
playback
1. The hard disk data cable or jumper errors.
2. Bad hard drive.
3. Upgrade the system with the original program file different
programs.
4. The video you want to search have been overwritten.
5. The video is not open.
Wrong time display
1. Set incorrectly.
2. The battery is bad or low voltage.
3. Crystal bad.
Cannot login client or WEB
1. The client cannot be installed or not display properly, the
operating system is win98 or win me; recommended operating
system updates to win2000sp4 or later, or install the lower
version of the client software.
2. Active X control is blocked.
3. No installation dx8.1 or later. upgrade the video driver.
4. The network connection failure.
5. The network setup issues.
6. The user name and password is incorrect.
7. Does not match the client version and device version.