My daughter's computer is a Microexpress with an Intel motherboard, P4 1.6 gig proc, 512 mb rdram and Maxtor 60 gig hd. She is running XP Pro SP1, NAV 2002, Sygate PFP, Cybersitter parental control software and is behind a router. BootIt NG is also on the computer. All are updated regularly. She uses IM, email and goes to kid sites like Neopets. Her computer stopped working suddenly. She thought she saw a virus warning but has no details. Now when the computer is turned on, there are 4-6 clicks that sound like the hard drive, the VGA card (Nvidia GEforce 5200(?)) info shows on the screen but no bios or ram info. The computer then says "Boot failure, system halted". I can get to the bios setup via the delete key, and can get it to boot from a setup floppy. I can get it to boot from the XP cd via F8. I can't get to advanced startup options at all. In neither the bios setup nor the XP cd is the hard drive detected. It also isn't detected by the BootIt NG floppy. I'm an intermediate user. I have no experience tweaking the bios and enter the registry with some trepidation.