i have sony vgn-cs320d fall down . after that i tried to turn it on every things it was cool then after it open the os windows7 in couple seconds it gave me message ( physical memory to disk.than i turn it off and i open it up to see the rams and then i close it again and i start i did not see any thing move means computer is dead nothing at all accept when i connect the adapter i see the led on for a few second .i need help please