Network Video Recorder User Manual 184
Appendix
Troubleshooting
No image displayed on the monitor after starting up normally.
Possible reasons:
• No VGA or HDMI connections
• Connection cable is damaged
• Input mode of the monitor is incorrect
Solution:
1. Verify the device is connected with the monitor via HDMI or VGA cable.
If not, connect the device with the monitor and reboot.
2. Verify the connection cable is good.
If there is still no image display on the monitor after rebooting, check the
connection cable to ensure that it is good, and change a cable to connect
again.
3. Verify that the Input mode of the monitor is correct.
Check that the input mode of the monitor matches with the output mode of the
device. For example, if the output mode of the NVR is HDMI output, then the
input mode of monitor is HDMI input. If it is not, modify the input mode of the
monitor.
4. Check steps 1 to 3 for resolution.
If it is solved, finish the process.
If not, contact the engineer to do further investigation.
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