3.Confirm that your CMOS/BIOS settings are correct.Well this procedure may involve changing your CMOS settings and changing your BIOS. For information about the correct CMOS and BIOS settings for your computer and how to check and change these settings, see your computer documentation or contact the manufacturer of your computer.
4.Confirm your hard disk or file system well for this to need to troubleshoot XP Start your computer from the Windows XP CD-ROM, load Microsoft Recovery Console, and then use the Chkdsk command-line utility. This may solve your problem.
Note: If the Chkdsk command reports that it cannot gain access to your hard disk, you may have a hardware failure. Examine all cable connections and any jumper settings on your drive. For more assistance, contact a computer repair professional or the manufacturer of your computer.
If the Chkdsk command reports that it cannot fix all hard disk problems, your file system or Master Boot Record (MBR) may be damaged or no longer accessible. Try appropriate Recovery Console commands such as Fixmbr and Fixboot, contact a data recovery service, or repartition and reformat your hard disk.