USB device disconnects randomly due to power saving

What is USB-SELECTIVE-SUSPEND?

USB device (mouse, DAC, webcam) randomly disconnects and reconnects due to Windows USB Selective Suspend feature.

Common Causes

• USB Selective Suspend enabled in power plan
• Hub turning off port to save power
• Driver not handling resume correctly

Step-by-Step Fix Guide

• 1
  Disable USB Selective Suspend in Power Options → Change plan settings → Change advanced power settings
• 2
  Device Manager → USB Root Hub → Power Management → uncheck 'Allow the computer to turn off this device'

Commands & Diagnostics