How to Fix No Sound in Windows 11

Headphones resting on a grey surface, with the title No Sound in Windows across the lower band.

No sound in Windows 11? Check the output device and per-app volume first, then the audio service, Device Manager, and the Bluetooth or USB path.

Fix Bluetooth Missing in Windows 11

A small black USB Bluetooth dongle lying on a white surface

Bluetooth missing from Windows 11 Settings? Check the hardware, restart the Bluetooth Support Service, reinstall the driver, and stop it dropping out.