What's the reason for playing back the surveillance video on the computer, flashing black frequency and getting better immediately?

1, this is no problem, it seems that, uh, things on that network may be a little delayed, or a little stuck, and it will be all right in a minute, and the memory may be full.

2. Suggestion: Check the signal data cable and connector, plug in and fix both ends again, or adjust the nose for debugging. Check the hard disk video recorder and set it up. If it is a computer video capture card, clean it up and plug it in again. Layout and reinstallation of surveillance cameras. Redo the circuit and troubleshoot the software. Professional examination.

3. See if there is any problem with the video terminal first, because the video equipment is set incorrectly or improperly matched, and there will be a black screen phenomenon. Broken video signal line (including line damage and poor connector contact) can also cause black screen.

4. Although simple, it may be the chief culprit that leads to no signal on the display. Check the video recorder For a video recorder, the image may not be displayed for many reasons.

5. Do you play games or not? If so, there are many reasons for crashing when playing games. First, the hardware problems of the graphics card itself, such as slight damage to the memory of the graphics card, poor working material of the graphics card or poor compatibility, will greatly reduce the electrical performance of the graphics card. If this happens, it is best to confirm it by replacement.

6. Common fault 5: The computer crashes frequently, and it will also crash when setting CMOS. In CMOS, there is something wrong with the motherboard or CPU. If the fault cannot be solved by the method, then the motherboard or CPU must be replaced.