In most cases, running the Windows troubleshooters or performing a power cycle should restore Bluetooth functionality on your ...
Open the Windows Run by pushing the Windows + R buttons. Now type the following command in: msdt.exe -id DeviceDiagnostic.
To use your Windows 11 PC as a Bluetooth speaker, head into Settings > Bluetooth, turn on "Bluetooth," click "Add Device," and pair your device. Download and install the Bluetooth Audio Receiver app ...