This Windows shortcut fixes monitor glitches, no restart needed

The Dell Laptop Buying Guide UK: Which Dell Laptop Should You Buy? When you purchase through links in our articles, we may earn a small commission. When your screen freezes or goes black, this keystroke will restart the graphics driver without restarting your entire Windows PC. If your screen suddenly displays strange glitches, freezes, or even goes completely black, often the problem lies with the graphics driver. By pressing these four keys simultaneously, you are, in a sense restarting the graphics driver.