Re install the driver of the graphics card.If you can't, reinstall the system. You can use a USB flash disk or a hard disk. The installation speed is extremely fast.But the key is: there must be a well compatible (compatible with ide, achi, Raid mode installation) and automatically and permanently activated verified system disk, so that the system can be reinstalled smoothly.The method is as follows: 1. U disk installation: download the verified system installation disk files, and use ultraiso software as the startup disk of the installation system to successfully install the system; 2. Hard disk installation: the downloaded Iso file can be decompressed, and the system can be installed directly by hard disk; 3. Graphic version tutorial: How can I give you the detailed graphic version installation tutorial?Cannot attach.It will be judged as illegal by the systemPlease accept!