Boot from the hard disk can not, the system may be damaged by the virus file on the hard disk. Insert a Win98 startup disk from your floppy drive read the disk boot, a few seconds after the crash, the screen is only the cursor blink, hard disk indicator light; change the starting DOS6.22 floppy disk, to display "Starting MS - DOS..." As same crash; and finally into the Win98 disk to boot from the optical drive, or the results of crash. Three starting ways failed, the same and the failure phenomenon, is the hard disk information error reading at startup, doubt is the hard disk parameter settings in CMOS error. Restart the computer to display the boot screen, found the press "F10" key can not enter the CMOS setup program. Because the configuration parameters of the Compaq computer system is stored in the hard disk partition of special non DOS, can not enter the BIOS, the partition has been damaged, need to rebuild the partition. Download the diagnostic software 1500C notebook computer bag, made into a Compaq system diagnostics, use it to guide or not, the fault is still. Due to the hard disk partition cannot be recovered, the system configuration information could not be loaded, and the hard disk's boot record block and the partition table is damaged, in the diagnosis of disk system, error reading drive information, unable to establish table crash disk base table and parameters, it seems this hard disk physical damage is hard to repair. In the replacement of a good hard drive, diagnosis of disk partition system, then the DOS partition on the remaining space, reinstall the Win98 format, this notebook computer can finally use.