-Restart the computer, press the Del key(or whatever key is specified on the 1st screen at startup) to enter CMOS Setup, in the main CMOS menu, highlight Default, Standard, or Setup settings, press Enter, press Y at the warning(if it appears), highlight Save And Exit, press Enter, type Y at the warning, insert a Windows boot floppy disk, press Enter, select 'Start Windows Without CD-ROM Support', press Enter, at the A:\> prompt type dir c: and press Enter:
(1)If you do not see the contents of the hard drive, then it has a problem(defective drive, loose or defective cables, or bad IDE1 controller).
(2)If you see your hard drive's contents, then do the following:
-If your hard drive is using 3rd party overlay or compression software, make sure it's properly configured.
-Use an antivirus floppy to check the hard drive for a virus(see your antivirus program's instructions).
-Type scandisk c: at the A:\> prompt, and press Enter to fix any errors.
-If no good, then type C: at the A:\> prompt, press Enter, type fdisk /mbr at the C:\> prompt and press Enter to replace the master boot record.
-If still no good, then type sys c: at the A:\> prompt, and press Enter to replace the system files.
-If nothing works, then the memory may be bad.