Sometimes on a ThinkPad, you accidentally turn on the numeric keypad function and then you have to restart your computer to turn it off. When enabled, letters U, I, O, J, K, L, M become numbers. It can be fixed.
Steps
Step 1. Turn on the numeric keypad
- Just press and hold the key.
-
Use the NumLock Feature on Lenovo Thinkpads Step 1 - Press the key in the upper right corner of your keyboard called "Num Lock / ScrLk". This will enable the function and when using the letters U, I, O, J, K, L, M, numbers will be entered.
-
Use the NumLock Feature on Lenovo Thinkpads Step 1
Step 2. Turn off the numeric keypad
Use the same keyboard shortcut to do this.