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iMac won’t connect to wireless keyboard

I’m at the log in screen after turning my iMac back on and it wont recognize my wireless keyboard (yes, it has brand new batteries). Not sure how to troubleshoot since I can’t log in.

iMac 21.5″, 10.15

Posted on May 21, 2022 11:49 AM

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Question marked as Top-ranking reply

Posted on May 21, 2022 11:49 AM

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 How to use safe mode on your Mac - 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. 


5 replies
Question marked as Top-ranking reply

May 21, 2022 11:49 AM in response to Caffeinemary

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 How to use safe mode on your Mac - 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. 


iMac won’t connect to wireless keyboard

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