1. Shutdown your computer. Unplug the power cable from the laptop for 30 minutes, then plug it in again and turn on. 2. Press Windows key+R to open Run then type: services.msc. This will open Services app. Find Bluetooth Support service in the list. Right click it then select Restart. Ensure that the Bluetooth toggle is in the ‘On’ position. If your computer has a physical switch for Bluetooth, make sure it is in the ON position; Some computers may have a keystroke combination to turn on Bluetooth (usually Function + an F_KEY). Follow your laptop instructions to flip it off and then back on to see if that fixes it. 3. Action. Do this. Turn on voice typing. Press Windows logo key + H on a hardware keyboard. Press the microphone key next to the Spacebar on the touch keyboard. To stop voice typing. Say a voice typing command like "Stop listening". Press the microphone button on the voice typing menu. Open Start. Search for Device Manager and click the top result to open the app. Expand the branch with the device you want to check. Right-click the device and select the Properties option. Source It’s name will vary depending on your exact hardware but it will usually refer to something such as "Bluetooth Radio" or , "Bluetooth Adapter". It may also actually list the revision of the Bluetooth standard it supports (as in the screenshot below). If that is the case you can ignore step 4 as you have your answer! Windows XP / Windows Vista: Right-click the printer icon, and then click [ Properties ]. Click the [ Ports] tab. Select the port name confirmed in step 2 ("COM" plus a number). Click [ OK] to close the properties dialog box. Close the printers window to finish. When connecting via Bluetooth, the connection settings are saved even after the Step 1: Ensure Our Computer is Bluetooth LE Capable. Though most modern computers and Raspberry-Pi-like devices have built-in Bluetooth LE, homebrewed Linux devices won’t necessarily have it. Please try following and check after each step. 1. Run Bluetooth Troubleshooter. Type troubleshoot in Windows Starts Search box (Cortana) > Troubleshoot > Click Bluetooth and run the troubleshooter. 2. Take actions related to Bluetooth driver. Windows Key+X > Click Device Manager > Expand Bluetooth > Right click on entry below >. JArs.