random pc restarts

[DeivisBiceps]

Hi, so for the past month or so my pc keeps restarting completely randomly without any warnings or bluescreens, it just shuts off, waits for like a second, and boots back up completely normal. Ive also been monitoring my temps and theyre completely normal. The restart happens sometimes when im gaming, watching videos and even browsing internet, few times it even restarted after like 2 minutes of booting up. Also another thing is that it only restarts once a day. Could that be a sign of dying power supply? And yes i made sure that my electrical power dosent fluctuate.

[RollTime]

Sounds like a psu error to me. If you haven't already, reseat all the parts in your system- cpu, gpu, ram, etc. That may be the issue.

[Windows7ge]

Sounds like an intermittent hardware fault. If it doesn't happen when the PC is idle I'd probably start with the PSU. Usually though when the PSU is at fault the PC won't auto-restart so I might be wrong.