Function keys not working normally

So my kitten really loves to walk/lay on my (MacBook Air) key board and recently he pressed some buttons and now my "function" keys (I think) are no longer working normally. For example, I can't change the screen/keyboard brightness or volume using the regular keys. When I hit them they either perform different functions or it makes a sound. How do I change it back to normal?

MacBook Air, macOS High Sierra (10.13.3)

Posted on Mar 16, 2018 4:19 PM

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Posted on Mar 16, 2018 4:26 PM

There's a couple of things:

System Preferences > Keyboard > Untick "Use F1, F2, etc. keys as standard function keys" > Shortcuts > Restore Defaults

Reset the SMC if the previous doesn’t fix it.

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Function keys not working normally

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