1. The power indicator light is off
Display power supply is generally divided into two types, one is powered by the host, and the other is powered by an external power supply. When such a fault occurs, first check the respective power sockets, and at the same time pay attention to check whether the power switch of the socket is turned on. [1]
2. The power indicator light is on
The power indicator is on, but no picture is displayed. In this case, you should first check whether there is poor contact between the graphics card and the motherboard. In addition, users of adapters should check whether there is any looseness.
3. After setting the display resolution, the display cannot be displayed normally
When this problem occurs, simply press and hold the "ESC" key when the display is abnormal, and the monitor can return to the resolution before adjustment. Sometimes after installing the latest graphics card public version driver on the computer, when the system is about to enter the Windows screen, the brightness of the power indicator on the monitor changes from bright to dark, and there is no screen display failure. Solution: first enter the "safe mode" of the system, then click the right mouse button on the desktop to enter the display property settings, then change the resolution and color of the display in the "settings" item, and set them to the minimum parameters respectively. Restart the computer and enter the system again, and set the resolution and color to the parameters you are satisfied with.
