Tasks[edit | edit source]
Find out the wake reason[edit | edit source]
If your computer wakes for no apparent reason, you can see the last wake reason by running:
See all wake timers[edit | edit source]
Wake timers are scheduled events that will wake your computer if wake timers are enabled. You can see all timers by running:
To disable all wake timers, you can edit the power options (Control Panel -> Power Options -> Advanced Settings -> Sleep -> Allow wake timers -> Disabled).
See all devices capable of waking[edit | edit source]
Devices such as keyboards can wake the computer on key press. All devices can be found by running:
powercfg -devicequery wake_armed
To disable a device from being able to wake a computer, open Device Manager, and find the appropriate HID device, then: Device Properties -> Power Management -> Uncheck 'Allow the device to wake this computer'.