marth_afk MA

Gaming PC keeps rebooting randomly with no error

It restarts out of nowhere, sometimes mid-game, sometimes just on the desktop. No blue screen, just a black screen and back to the BIOS logo. Temps look normal and I already reseated the RAM. PSU is about five years old. Where should I look next?
randomly restarts
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britton_21 Nov 05, 2026
marth_afk
Random reboot with no blue screen is often the PSU or temps. First turn off automatic restart (System > Advanced system settings > Startup and Recovery, untick Automatically restart) so if it's a crash you actually see the error. Then check Event Viewer for Kernel-Power 41 around the reboot times. If you have XMP/EXPO on, try a few days with it off - unstable RAM does exactly this.
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