Lost the partial keyboard function. ??

I have a 20 inch Mid 2007 iMac heavily upgraded with a SSD 1 G and 6G of SDRAM memory.   When I updated to El Capitan it seems I lost some function on my keyboard.   On my keyboard wired 9, 6 and 3 keys on the right side of digital work not long ago and also my oblique key no longer works.   On my wireless keyboard keys w, e and r no longer work.   No idea why these keys on my keyboard no longer work?   Is it somehow related to the OS update?

Hello Darlene Baker,

Thank you for using communities of Apple Support. It is my understanding that some keys have stopped working after upgrading to El Capitan. I can see how it would be concerning, in particular, as it happens with two keyboards. I'm happy to help you to get this resolved with you.

At this point I recommend that you test this problem in safe mode. From your iMac in safe mode lets your computer run some checks and prevent some software loading automatically. The following steps will help to start in safe mode:

  1. Start or restart your Mac.
  2. As soon as you hear the startup tone, hold down the SHIFT key.
  3. Release the SHIFT key when you see the logo Apple appears on the screen.

After the Apple logo appears, this may take longer than usual to reach the login screen or your office. This is because your Mac performs a check of directory of your drive to boot in safe mode.

To leave safe mode, restart your computer without pressing any keys during startup.

Try safe mode if your Mac does not end commissioning

If the problem does not occur in safe mode, follow the steps described in the section "If a problem does not occur in safe mode" from the link above. If the problem persists in safe mode, it is possible the user settings or files might be the cause. Please use the link below to test in another user:

How to test a question in another account on your Mac.

Have a great day!

Tags: Mac

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