USB Device Keeps Disconnecting and Reconnecting Windows 11 Fix [2026]

Quick Answer: USB disconnecting due to power saving or insufficient power. Disable USB selective suspend for all hubs and use powered USB hub.

Fix

Device Manager → Universal Serial Bus controllers → USB Root Hub → Properties → Power Management → Uncheck "Allow computer to turn off"

Device Manager → Universal Serial Bus controllers → Update all drivers

For high-power devices, use USB hub with external power.

Weak PSU can cause USB power drops.

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

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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