1, in the case of not seeing the screen, you can press the power button to shut down, and then boot. Press the F8 key until the “Advanced Startup Menu” appears; “
2. In the Advanced Startup menu, select “Safe Mode” and enter the desktop. Before entering the desktop, the system may ask if you want to perform a system restore. Solve the problem, usually go directly to the safe mode;
3, after entering the safe mode, right click on the "computer" icon, select the attribute, and then select <; device manager>;
4, find the "display adapter" in the hardware list of the device manager and expand, right click on the project (graphics card), select uninstall;
5, in the uninstall dialog box, check "ldquo; Delete the driver software for this device, select ““OK>;
6. After the graphics card driver is deleted, restart the system and enter the normal mode. At this time, it doesn't cost any screen. In fact, the graphics card has no driver status.
7. Finally, you need to find a pair of graphics card drivers to install. You can choose to go to the official website of the hardware brand to download.
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Extremely powerful! The DISM.exe tool that comes with Windows can repair the recovery system in time