Hello, i have a big problem, some keys on my keyboard did not work so i got the whole palmrest with the keyboard and installed it, worked for 1 minute and then some kays stop working i went to the keyboard dealer and he grave me a new keyboard because we thought the keyboard was defective, i instaled the new one and almost inmediatly some keys stoped working, sems like something on the laptop its burning the keyboards but i dont have a culé what it is, could you please help me ? Thanx a lot in advanced