Windows 11 shutdown bug explained with causes, fixes, and workarounds to stop restarts, battery drain, and failed power-offs after updates.

Microsoft might have fixed that bug with shutdowns, but its latest Windows 11 update means sleep mode now locks up some PCs.

Sometimes my computer just doesn't want to stay asleep. I can hit the sleep button, see the screen go black, hear the fans stop spinning, and still be woken up by blinding lights in the middle of the ...

After Windows 11 January 2026 update, we're seeing reports of other issues, including a sleep problem (S3), and more.

Windows 11 separates screen timeout (when the display dims) from full sleep mode. Adjusting these gives you precise control ...