hei guys . i have a strange problem . two days ago some of my letters ( 1 , q p , u ,t and many more ) dont work anymore . the strange thing is : if i press capslock many times all my keys works but if i press it (capslock) again they dont work anymore and i must spam again. the second strange thing is if any of the "problem keys " is not working then all of them are not working . the keys are perfectly new and i dont understand how is that possible ? i reinstaled my windows but i still have this problem ... what can i do ? sorry for my english i hope you understand