1. It may be that the screen refresh rate is set too low, which leads to the inconsistency between the screen refresh rate and the refresh rate set by the graphics card. In this case, you need to open Windows Settings, enter System-Display, click Display Adapter Properties, and make the numerical setting consistent with the graphics card in the screen refresh frequency of the display.

2. It may be that the computer graphics card driver is abnormal, causing the computer display screen to blink. This kind of green and yellow situation needs to use third-party tools such as Driver Life and Driver Wizard to download and install the graphics card driver again. After the installation is completed, restart the computer to restore the normal screen display.

3. It may be that the computer graphics card chip is damaged (the chip is soldered and the memory is burned). ). In this case, you need to apply for after-sales maintenance to replace the graphics card (if it is a notebook computer, you need to return the whole motherboard to the factory for maintenance, because the graphics card chip is soldered to the motherboard.