Why my keyboard typing space-6 and space, m-0m, 4-4\, 8-8\, 0-0m ?

Jul 5, 2018
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I have acer laptop. Why my keyboard typing like this:
space-6 and space, m-0m, 4-4\, 8-8\, 0-0m ?
I have tried num lock, keyboard setting but wortless.. im working with external keyboard now days,