Putty help with typing numbers

Ok so im trying to type numbers in putty and 8 and 0 come out blank and 5 is m and 3 is i. Help? I dont have numlock on.
5 comes out as m, 6 comes out as y, and 7 comes out as T

Try reconnecting your keyboard or press the windows logo on your keyboard, I had the problem yesterday on my keyboard lol.

yoo try thinking harder :3