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What to Do When Your Function (Fn) Key Is Locked

A locked Function (Fn) key may sound like a minor problem but can be troublesome for you if you are not aware of the solution. The Fn key allows for additional functionalities in combination with other keys such as increasing or decreasing the brightness of the screen, changing the volume of the speakers or office software shortcuts. This FAQ will provide the solution to this issue.


Unlock a Function (Fn) Key

If your keyboard is producing numbers instead of letters, hold down the Function key (Fn) on your keyboard in order to be able to write normally.

If this doesn't work, try pressing Fn + Numlk or, depending on the model, Fn + Shift + Numlk. On an IBM Thinkpad, press Shift + Scroll Lock Num.


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32 Comments


thank you so much, if my fn gets locked again, I'll know what to do! I think you very much for the steps

Thank you for this tip. Greatly appreciated!!!
Thank you so much for the help!

struggled for a long time fingers and thumbs, great tip fn + num lk changed letters back to letters not numbers

Thank you for the tip. This Nextbook 2-in-1 need the Fn+Shift+NumLock. Thook care of the problem of loccking. Greatly appreciated!!