Hi... I have been trying to fix a Acer aspire 1 ZA3 (mini laptop) for some hours, but the operating system is missing. have any 1 got a clue how to repair it? I have tryed to take the FN/ESC and power button and several other things, but im not getting any were cause of the missing operative system.... How do i fix it? The person that borrowed it said there is a password that he have forgot on windows, but i cant get in to widows at all. i have also got Bios shadowed and system shadowed.