hello people i have an acer 8930g well it was working fine till next day i went to power it up and all i get is alllll lights flash real fast (touch pad, power light bluetooth light ) so any ideas why? i remove memory and replace with new but same so i remove cpu still same last thing i remove gpu all lights went normal like nothing happen but if i put back in lights all flash crazy again so is it gpu replacement or???????? please respond somebody thank you....