Why arent my number keys working , on the number row above the letters ?

Question

I have been using the number pad instead on the right hand side ?

Answer 1

Mac: You may have a corrupted preference. Try a different keyboard. If it doesn't work, then you need to take it to a mac doc.

Win: Try diffenent keyboard. Or else, call support  

Answer 2

Do you have Num Lock on?

Answer 3

you've got the caps lock on

Answer 4

You have num lock on.....