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I'm having a very odd problem where the keys F, V and (backspace) stop working for no apparent reason!

Then the problem seems to fix itself some time later, to reappear afterwards.

What's causing this and how to avoid it? It's getting really annoying. And I don't understand why only those 3 keys fail to work, the rest of the keyboard works just fine.

I don't think it's really a hardware issue. I'm on High Sierra 10.13.2. I use Karabiner-Elements to program some keys and at first I thought it could be the culprit (even though I have used it for a long time with no issues), but the problem persists even after quitting that app.

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    Possible duplicate of Keyboard key stuck or not being recognized; how to fix – Allan May 10 '18 at 15:50
  • To determine if it's hardware or software, boot into Safe or Recovery mode. If the problem persists, it's hardware. – Allan May 10 '18 at 15:51
  • Do you have another external keyboard that you can use to test if the issue occurs on that one too? – drivec May 10 '18 at 16:07
  • What model Mac is this? – Scot May 10 '18 at 17:18
  • I'm using a Mac Mini (mid-2011) with a standard silver Apple Keyboard. And I have another keyboard, but it's a mechanical keyboard that doesn't work with Mac (Ozone Strike Pro). Yes, there are Windows-only keyboards! I didn't know that when I bought it. If I connect the failing Apple Keyboard to a PC, it works correctly, so it's probably not a hardware issue. Plus the Backspace key is too far from the other 2 failing keys (F and V) to be some physical problem with a failing zone of the keyboard. – OMA May 10 '18 at 18:30

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