how do i reformat my graphics

[Josue_6]

The graphics on my screen. All out of whack and I want to reformat the graphics card how can I do that

 

[DonQuixoteMC]

First install http://www.guru3d.com/files-details/display-driver-uninstaller-download.html
Restart into safemode

Run DDU, and select the uninstall all drivers option, and restart

Download new driver
Install new driver