Discover causes of unexpected restarts, from power and overheating to software glitches, and find effective fixes Reviewed by Jon Fisher Check your computer's power source and cables, as a loose ...

So, when you click "Update and shut down" on your PC, you assume your PC will install any available updates, then shut down.

If your PC turns on and the fans spin up, but nothing is displayed on the screen, there's a problem that needs fixing. It might be one of the more common ones and be relatively easy to fix, or it may ...