To troubleshoot issues with Bluetooth, check out this comprehensive video. It is broken into chapters so you can skip to the relevant section or watch it in its entirety based on where you are in your Bluetooth journey.
Below are the chapters and their timestamps in the video.
0:06 Make sure Bluetooth is turned on your PC
0:21 Check the Bluetooth status of the device you are trying to use with your PC
0:54 Initial steps to run on your PC
2:09 Bluetooth troubleshooter
2:28 Troubleshoot problems with drivers
2:45 Update Bluetooth drivers
3:37 Re-stall Bluetooth adapter
4:33 Get Help app