PC Waking Up Randomly Windows 11 Fix [2026]

Quick Answer: PC wakes randomly due to scheduled tasks or peripherals. Check wake source with powercfg command.

Fix

powercfg /lastwake
powercfg /waketimers

Device Manager → Network adapter → Properties → Power Management → Uncheck "Allow device to wake"

powercfg /setacvalueindex scheme_current sub_none bd3b718a-0680-4d9d-8ab2-e1d2b4ac806d 0

Task Scheduler → Look for tasks with wake to run enabled

Againly can inspect the relevant local evidence and propose a fix plan for review.

[CTA: Try free diagnosis]

Evidence-led support

Againly checks the local evidence and shows you a proposed plan before making changes.

Diagnosis-first coverage: executable changes are offered only when this PC's evidence and available capabilities support them.

Works on Windows 10 & 11 · No credit card required