I am an gamer and i use my laptop .My problem with keyboard are :
-key qweryuioasd are not working with up left down rigt arows, after about 2h of playng with sxzc as gamer is switching automacly and key zxcvbnm 123456789are not working
-sometimes all keyboard are working and when i play for about 30min wadf are stop working .
-sometimes instwad of S is F1, A is F4 and so on....
Please help me with thise mather and i wil help others...