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List 8-3
7.4 Troubleshooting
1. Q: What can I do if the system does not detect the HDD?
A: Check if the power supply system is properly connected and data cord and power cables
are securely connected.
2. Q: We have changed the password but do not remember the new password, how can we
access the system?
A: If you forget system password, please consult with the service personnel.
3. Q: We are not getting any video signal on the DVR, what is wrong?
A: Check camera video cable and connections; or check monitor video cable and connections;
or confirm that the camera has the power and / or check camera lens setting.
4. Q: Why some channels display just a blank screen even if they receive video sources?
A: Check if the camera is connected to the system properly displays the image; check if the
camera is properly supplied with power.
5. Q: Can the DVR have problems if it gets too hot, how can I prevent this?
A: The DVR has a fan to help it dissipate heat while it is running. Please place the DVR in a
place where there is good air circulation and away from heat sources to increase stability and
life of the DVR.
6. Q: “Record” Can not work normally, how to deal with?
A: Check if the current screen is in Play mode, pressing [Stop] button to exit the Play mode
and then you can enter into the [Record] function.
7. Q: Why the Remote Controller can’t work normally?
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