2.6 Hard Disk Drive Troubleshooting
To determine if the Hard Disk Drive (HDD) is functioning properly, perform the procedures
below starting with Procedure 1. Continue with the other procedures as instructed.
Procedure 1: Partition Check
Procedure 2: Message Check
Procedure 3: Format Check
Procedure 4: Diagnostic Test Program Execution Check
CAUTION: The contents of the hard disk will be erased when the HDD troubleshoot-
ing procedures are executed. Before beginning, transfer the contents of the hard disk
to a floppy disk(s) using the Toshiba MS-DOS BACKUP command. Refer to the
Toshiba MS-DOS Manual for more information about how to perform this command.
Procedure 1 Partition Check
Insert the Toshiba MS-DOS system disk and turn on the computer, then perform the following
checks:
Check 1 Type C: and press Enter. If you cannot change to Drive C, go to Check 2. If you
can change to Drive C, go to Procedure 2.
Check 2 Type FDISK and press Enter. Choose "Display Partition Information" from the
FDISK menu. If Drive C is listed, go to Check 3. If Drive C is not listed, return to
the FDISK menu and choose the option to create a DOS partition on Drive C.
Then recheck the system. If the problem still exists, go to Procedure 2.
Check 3 If Drive C is listed as active in the FDISK menu, go to Check 4. If Drive C is not
listed as active, return to the FDISK menu and choose the option to set the active
partition for Drive C. Then recheck the system. If the problem still exists, go to
Procedure 2.
Check 4 Remove the system disk from the FDD and cold boot the computer. If the problem
still exists, go to Procedure 2. Otherwise, the HDD is operating normally.
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