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 ...

The first step is to disconnect all peripherals. If your computer does not hang after disconnecting the peripherals, one of them might be responsible for this issue. In this case, updating or ...

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 ...