Hello,
i have problem with the key board. when i type letter "i" it appear to be 5 instead of letter i and many other number instead of letter. please help me how to solve this problem.
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Introduction
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You have NumLck (NumLock) turned on. search your keyboard top row for a key marked NumLck. then press the function key (Fn) and the Numlck key at the same time. That should fix things.