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.

When you purchase through links in our articles, we may earn a small commission. Shortages are driving prices up. Here's how to stretch your current rig until the market calms down. There's no denying that all of our next PC upgrades are likely to be more expensive than they've been in a long time. And if history is anything to go by, they won't come all the way down again.