User Manual

Network Video Recorder User Manual
UM NVR v4.xx 111717NA 190
Step 2 Verify the network between the device and the PC is connected.
1) Open the cmd window in the Start menu, or press “windows + R” shortcut key to open
it.
2) Use the ping command to send large packets to the device, execute the command
“ping 192.168.0.0 –l 1472 –f” (the IP address may change according to the real
condition), and check if there exists packet loss.
Simultaneously press Ctrl and C to exit the ping command.
Step 3 Verify the hardware of the PC is adequate.
1) Simultaneously press Ctrl, Alt, and Delete to enter the windows task management
interface, as shown in the following figure.
Figure 20-1 Windows task management interface
2) Select the “Performance” tab; check the status of the CPU and memory.
3) If the resource is not enough, end unnecessary processes.
Step 4 Check if the fault is solved by the above steps.
1) If it is solved, finish the process.
2) If not, contact a Hikvision engineer for further process.
• When using the device to get the Live View audio, there is no sound, there is too much noise,
or the volume is too low.
Possible Reasons: