If you're pressing the U I O P J K L M keys and seeing numbers instead of letters, then the NumPad is enabled, and must be switched off to get things back to normal.
To disable the NumPad press:
Fn + Ins
Disabling the NumPad
Is your Infinity:One typing numbers and symbols when you're expecting letters? Here's how to fix it.
Written by Rangan Srikhanta
Updated over 7 years ago