Windows

Energy management

Why computer was woken from sleep

To check why computer was woken from suspend:

powercfg /lastwake

To disable Windows Update waking up the computer

Run as Administrator:

gpedit.msc

Then go to:

Computer Configuration / Administrative Templates / Windows Components / Windows Update / Enabling Windows Update Power Management to automatically wake up the system to install scheduled updates

and set it to "Disabled".

For swedish Windows:

Datorkonfiguration / Administrativa mallar / Windows-komponenter / Windows Update / Aktivera automatisk väckning via Energisparfunktioner för installation av schemalagda uppdateringar

and set it to "Inaktiverad".

To disable hibernation

powercfg.exe /h off

To uninstall a specific driver

In a elevated command prompt:

dism /online /get-drivers /format:table > c:\drivers.txt

Look through the drivers.txt file, and then you can do things like:

pnputil.exe /d oem111.inf