dsub has no signal display and black screen

time：2024-10-04 09:02:49 Review Insights

The computer has a black screen after dsub

The reason why the computer has a black screen after Dsub may be that the monitor is not receiving the signal from the D-Sub interface. This can be caused by:

1. Poor wiring: Check whether the connecting wire is plugged in properly and whether the plug is dirty or damaged. If there is a problem, replace or reconnect it in time.

2. Faulty monitor: If there is no problem with the cable, try replacing the monitor.

3. Graphics card driver problem: If the power indicator and hard disk indicator on the host are on, and there is a POST screen on the screen at the beginning, and the screen is black when you log in to the system desktop, then the biggest possibility is the graphics card driver problem. Solution: Press F8 when booting up, enter the safe mode system, find the device manager, delete the graphics card driver, restart the computer to enter the system, and then use the driver life to reinstall the graphics card driver.

If none of the above methods can solve the problem, it is recommended to seek professional help.

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