Check your computer's power source and cables, as a loose connection might cause restarts. Make sure your computer is not overheating, as this can force it to restart. Updating Windows and ...

The following suggestions will help you if your Windows computer crashes or restarts when watching videos. When the Fast Startup is enabled, Windows 11/10 computers boot faster after a shutdown. In ...

A full shutdown can solve a lot of issues.

Speed up your PC with 3 simple Windows tweaks—no restart needed.

My first thoughts would be to check your power supply and check you temps. Could be a power supply failing or it could be your fans are clogged with dust and you are reaching higher temps.