And when the keyboard appears in the “Add a device” dialog box, just select it.
In most cases, this kind of issue can be fixed when you restart your computer and go to the Windows Settings and select the “Add Bluetooth or other devices” option and then put the keyboard into pairing mode. However, this option is already enabled and you still encountered the same error message saying, “Check the PIN and try connecting again”, then you need to troubleshoot the problem further. This kind of problem typically occurs when you’ve disabled the Bluetooth option. If you have suddenly run into a problem when trying to connect or pair your Bluetooth keyboard with your Windows 10 computer, read on as this post will guide you on how exactly you can resolve the problem.
Fixing “Can’t pair Bluetooth keyboard, Check the PIN and try connecting again” Error in Windows 10
