User Manual

Network Video Recorder User Manual
UM NVR v4.xx 111717NA 185
20.2 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.
Step 1 Verify the device is connected to the monitor via HDMI or VGA cable.
Step 2 If not, connect the device to the monitor and reboot.
Step 3 Verify the connection cable is good.
Step 4 If there is still no image displayed on the monitor after rebooting, check if the
connection cable is good, and change the cable and connect again.
Step 5 Verify Input mode of the monitor is correct.
Step 6 Check that the monitor input mode matches the output mode of the device (e.g., if the
device’s output mode is HDMI, then the monitor input mode must be HDMI). If not,
modify the monitor’s input mode.
Step 7 Check if the fault is solved by step 1 to step 3.
Step 8 If it is solved, finish the process.
Step 9 If not, contact a Hikvision engineer for further process.
• There is an audible warning sound “Di-Di-Di-DiDi” after a new device starts up.
Possible Reasons:
− No HDD is installed in the device.
− The installed HDD has not been initialized.
− The installed HDD is not compatible with the device or is broken.
Step 1 Verify at least one HDD is installed in the device.
− If not, install a compatible HDD.
Refer to the Quick Start Guide for the HDD installation steps.