Notebook Keyboard Misconfiguration: Letters Typing Numbers (u=4, i=5, o=6, etc.)

Notebook Keyboard Misconfiguration: Letters Typing Numbers (u=4, i=5, o=6, etc.)

🔢 Notebook Keyboard Issue: Letters Typing Numbers (u=4, i=5, o=6, etc.)

Does your laptop keyboard look like this?
Does it have a Fn key and some keys with colored numbers like 4, 5, 6 on letters like U, I, O?
And when you type those keys, do numbers appear instead of letters?


What’s Happening?

You probably pressed Fn + Num Lock by accident. This happens often when using an external monitor and keyboard, and toggling Num Lock for the external keyboard's numeric pad.


🚫 Don’t:

  • Reinstall the OS.
  • Mess with complicated system settings.

✅ Quick Fixes to Try

Try pressing one of these key combinations simultaneously to toggle the embedded numeric keypad off:

Alt Gr + Num Lock

or

Fn + Num Lock

or

Fn + Insert

or

Fn + Delete

or (for Acer Aspire models):

Shift + Num Lock

That’s it!

Try these combos until your keyboard types letters normally again.


See you next time! 👋