The Fn key is locked
Issue
If you're writing numbers instead of letters when you press the keyboard of your laptop and you must hold down the Function key (Fn) to write normally.
Solution
This is due to the fact that the digital lock is activated.
- To solve this, simply press the Fn+Numlk or depending of the model, press the button or Fn + Shift +Numlk
- On an IBM Thinkpad, you must press Shift + Scroll Lock Num