MacBook keyboard not working?

A couple of times now I’ve found that the keyboard on my MacBook has stopped responding.

This wasn’t a hardware failure, it turned out it was due to ‘Mouse Keys’ being enabled.

Mouse Keys is a setting which allows you to control the mouse with the keyboard. It is accidentally enabled by pressing the Option (alt) key five times in a row.

To switch it off again press the Option (alt) key five times.

To disable it permanently go to the Universal Access preferences and un-tick ‘Press the Option key five times to turn Mouse Keys on or off‘.

System Preferences > Universal Access > Mouse & Trackpad

For more details on Mouse Keys see this Apple Support article – Unable to type while Mouse Keys is enabled in Mac OS X

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2 thoughts on “MacBook keyboard not working?

  1. Oh man, this has been happening to me a lot, I scanned the settings, before, but I don’t know how I missed this one. Now I know how to fix it.

    Thank you!

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