I hope bleep bleep will help me. I own a acer aspire laptop model 5610z. This piece of #$@@% is the only computer i own, so here it goes i cannot get out of bios system utility. i called acer they said hard drive is still there so buy windows vista installation cd to reload operating system, because it does show that it is missing. My mom has windows vista cd's about 16 she saved from her computer, tried to load not sure how to do this either, but the green light does flash when cd is put in tray. also put cd/dvd 1st in order in the boot system. HELP PLEASE!!!!!