Keyboard

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. 

Hi qaxw,

You might want to try the trouble-shooting tips in this article from Apple Support.

If your Mac doesn’t respond to key presses – Apple Support

Hope this works for you :-)

qaxw wrote:

I can't type in some numbers and letters on my keyboard: 7 8 9 u I o j k l m and the full stop.

Go to your Accessibility preferences and turn Mouse Keys OFF. Also just try hitting Option 5 times.

Google 789uiojkl for more info...

rkaufmann87 wrote: The following will require any USB keyboard and mouse. If you don’t have them, borrow or buy them, they are inexpensive!

789uiojkl not working is normally a simple preferences fix, it comes up quite often here.