Ok here it the problem.My notebook sudenly died didnt turn on.No screen No lights.With google search i realized it is some static electricity which cause the problem and i hade to take off cmos baterry press power for 60 sec.This worked but my notebook died again 2 times in one day and i hade to dissasembly and take off cmos baterry again to work.So what is the problem and what i can do eventualy??