The solution to the non-lighting of win7 display

Win7 display is not bright solution:

(First of all, it has been determined that the screen has no response after the host is normally powered on. You can try to use the following methods to solve the problem that the display is not bright)

1. Check whether the display black screen is caused by the problem of the display power supply, as shown in the following figure: Try to re-plug the power supply and data connector of the display, so that the black screen caused by the power supply problem can be solved.

2. If the screen is still black after re-plugging the display power supply, you need to try a simple cleaning of the memory stick to continue to rule out the cause of the black screen.

Note: Make sure the host is powered off before removing the memory module

3. The black screen is still not solved when the memory stick is also cleaned up. You can try to remove the CMOS battery after a few minutes of power failure before reinstalling it.

4, if all the above operations do not solve the problem of black screen display! Basically, it can be judged that there is a problem with the data line!

But to be safe we'd better clean up the graphics card and check if there is any abnormality in the graphics card at one time try to boot!

If it is not solved, it is recommended to replace the data cable to determine whether it is a graphics card problem or a data cable problem.