Windows plays USB disconnect and connect chime sound repeatedly in a loop
Constant Windows hardware disconnect and connect chimes playing every few seconds or minutes.
Internal desktop parts run on harmless 12V DC voltage and cannot shock you. Simply unplug the wall power cable first, then touch the unpainted metal case frame to ground static electricity.
Common Symptoms & Tells
- Windows plays USB disconnect sound every 5-30 seconds
- Device Manager constantly refreshes / blinks
- Mouse or keyboard randomly freezes for half a second
Interactive Fix Checklist
0 of 3 steps completedIdentify offending device using USBDeview
Download free NirSoft USBDeview. Sort by 'Last Plug/Unplug Date'. Look at the top entry when the sound plays to identify the exact USB peripheral or internal hub disconnecting.
Disable USB Selective Suspend in Power Options
Press Win+R, type 'powercfg.cpl', click 'Change plan settings' -> 'Change advanced power settings'. Expand 'USB settings' -> 'USB selective suspend setting' -> set to 'Disabled'.
Uncheck 'Allow computer to turn off this device' in Device Manager
Open Device Manager -> expand 'Universal Serial Bus controllers'. Right-click each 'USB Root Hub' and 'Generic USB Hub' -> Properties -> Power Management -> uncheck 'Allow the computer to turn off this device to save power'.
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