i dropped my acer aspire 5750 and now it wont boot or load windows 7 from cd it does go past bios and set up loads but wont load windows from my 64 bit dvd or recovery.It also took like 2 hours to get the drive options set and wouldn't format then setup ended. I have noticed everything seems to work normally on bios but past that,no luck..can anyone help me please?? thank you.... it has core i3,3gb ram (2+1), nvidia graphics and is 4 months old...