What is the reason why the computer does not output a signal?

time：2025-04-06 16:01:28 Smart Hardware

Reference 1:

1. The connection of the host of the display data cable is loose or has fallen off;

2. The data cable of the display is damaged (this situation is generally rare, mainly pay attention to whether the pins are bent or broken)

3. Internal problems of the computer host (mainly such as loose memory modules, loose graphics cards, poor video output interfaces, etc.).

Reference 2:

1. The boot screen can display no signal input, which means that the monitor is fine.

2. If you can be sure that it is not a problem with the memory and graphics card, then it is only a problem with the connection, check whether the D-type connector connected to the graphics card and the display is loose, it may be caused by a bad connection.

Step 1: First of all, check whether the external wiring of the computer is connected, and plug in each cable again to see if the fault is eliminated.

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