DS-77xxNXI-I4/16P/4S NVR User Manual
20.2 Troubleshooting
No Image Displayed on Monitor After Starting Normally
Possible Reasons:
•
No VGA or HDMI connection
•
Connection cable is damaged
•
Monitor input mode is incorrect
1. Verify the device is connected with the monitor via HDMI or VGA cable. If not, connect the device to the
monitor and reboot.
2. Verify the connection cable is good.
3. If there is still no image displayed on the monitor after rebooting, check if the connection cable is
good, and change cable to connect again.
4. Verify that the monitor Input mode is correct.
5. Check that the monitor input mode matches the device output mode (e.g., if the device output mode is
HDMI, the monitor input must be the HDMI input). If not, change the monitor input mode.
6. Check if the fault is solved by the step 1 to step 3. If it is solved, finish the process. If not, contact a
Hikvision engineer for further processing.
•
A "Di-Di-Di-DiDi" Audible Warning Sounds After a New Device Starts
Possible Reasons:
•
No HDD is installed in the device
•
The installed HDD has not been initialized
1. The installed HDD is not compatible with the device or is broken.
2. Verify at least one HDD is installed in the device.
•
If not, install a compatible HDD.
Quick Start Guide
Refer to the
•
If you don't want to install an HDD, go to Menu > System > Event > Normal Event > Exception, and
uncheck the "HDD Error" Audible Warning checkbox.
3. Verify the HDD is initialized.
UM DS-77xxNXI-I4/16P/4S 050619NA
for HDD installation steps.
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