If Bluetooth driver is missing or gets removed after a Windows Update, add the legacy driver from the Device Manager, install the correct driver from your manufacturer, etc.

If Audio inputs and outputs option is missing from Device Manager in Windows 11/10, follow these instructions i.e. reinstall ...

If Windows 11 installs buggy drivers or you prefer installing device drivers manually, I’ll show you how to prevent your system from automatically finding and installing the connected devices’ drivers ...