em of unactivated hard disk
Failure symptom: one disk is partitioning, use command “format C;/S” to format disk, and start the computer from disk, and there’s prompt “Invalid Specification”.
Failure analysis and solution: it should be caused because the primary partition of the disk hasn’t been activated when partitioning. Start the computer with DOS system disc, rerun FDISK command and activate the primary partition of the disk.
5. Solve the disk boot area damage problem
Failure symptom: the computer couldn’t start normally, no matter from floppy drive, DVD-ROM/CD-ROM or hard disk, the disk light is always on when starting.
Failure analysis and solution: after entering BIOS, it is found that BIOS could inspect the disk parameter correctly. It is estimated that the disk is not damaged, connect the disk as secondary disk to other computer, start the computer and enter to DOS operation system, with dir command , you could check up the directory and file of the issued disk. It seems that the partition table of the disk is not broken yet, so probably the reason system could not be booted is because the boot area of the disk is broken. Use command “sys” to transmit the boot file to drive C of the issued disk, and then connect the issued disk to the computer singly. Restart the computer and then system could start. The failure is eliminated.
6. 0 track damage problem
Failure symptom: when computer starts, the failure appears, and operation system could not boot. System prom