Press the Windows logo from the keyboard and then click on the Power button. If Bluetooth disappeared in Windows 10 because of such temporary issues, you need to restart your PC. The temporary glitches can cause many issues with Windows PC, but a simple restart can fix them in minutes. The following solutions can help you fix Bluetooth disappeared in Windows 10. If the Windows 10 Bluetooth is missing from Device Manager, service management, or settings, you need to tweak around the device drivers and settings to get it back. 15 Solutions To Fix Bluetooth Disappeared in Windows 10 If you have Bluetooth on your PC and still it is missing from the device manager or settings, you can check out the solutions given below. However, if there is no toggle switch, the Bluetooth functionality is not present on your computer. If the toggle switch is available with the laptop’s discoverable name, it means your PC has Bluetooth functionality.