How do I set up a Bluetooth keyboard on my iMac?

The following will require any USB keyboard and mouse. If you don’t have them, borrow or buy them, they are inexpensive!

1.     Connect the USB keyboard and mouse to the computer.

2.     Open System Preferences – Bluetooth

3.     Un-pair the wireless keyboard and mouse.

4.     Turn off Bluetooth

5.     Restart the computer in Safe Mode per the directions in Start up your Mac in safe mode - Apple Support

6.     Restart the computer normally.

7.     Open System Preferences – Bluetooth

8.     Turn on Bluetooth

9.     Re-Pair the wireless keyboard and mouse.

10.  Unplug the USB keyboard and mouse and begin testing the wireless devices again. 

Here are instructions:

If it is not an Apple keyboard, you may need to follow the generic device instructions

Connect a Bluetooth device with your Mac - Apple Support

How to write an effective question.

sally65petit wrote:

Bluetooth connection problems

[Re-Titled by Moderator]

What exactly is not working as it should? Please provide details.