Whenever I press certain letters I get a numeric stroke. For example:
m=0
j=1
k=2
l=3
u=4
i=5
o=6
j=1
k=2
l=3
u=4
i=5
o=6
Solution :
Try to find a key on your keyboard labeled “Num Lock” and press it (you may have to hold down something like an “Fn” key while pushing the Num Lock button).