Windows sleep, standby, or hibernate is not working: what to check first
Request Windows will not sleep, Hibernate is missing, the PC wakes by itself, or standby works once and then breaks again. I keep seeing advice to disable hibernation, but I do not want to make it worse. Do not start by deleting hiberfil.sys, changing BIOS settings, or disabling every wake device. First name the actual problem: Hibernate is missing from the power menu. The PC will not go to sleep. The PC sleeps, then wakes again. Those are different fixes. Treating all of them as “turn hibernation off” can cause worse battery drain, missing Fast Startup behavior, or a laptop that still wakes in a bag. The result you want is one clear branch, not a pile of power tweaks. ...