Toshiba PORTEGE M300 Maintenance Manual page 85

2.6 HDD Troubleshooting
Procedure 3 Format Check
The computer's HDD is formatted using the MS-DOS FORMAT program or the physical
format program of the test program. To format the HDD, start with Check 1 below and
perform the other steps as required.
Refer to the MS-DOS Manual for the operation of MS-DOS. For the format by the test
program, refer to the Chapter 3.
Check 1 Format an HDD using MS-DOS FORMAT command. Type as FORMAT
C:/S/U.
If HDD can not be formatted, perform Check 2.
Check 2 Using the MS-DOS FDISK command, set the HDD partition. If the partition is
not set, go to Check 3. If it is set, format HDD using MS-DOS FORMAT
command.
Check 3 Using the Diagnostic Disk, format HDD with a format option (physical format). If
HDD is formatted, set the HDD partition using MS-DOS FDISK command.
If you cannot format HDD using the Tests and Diagnostic program, go to
Procedure 4.
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2 Troubleshooting Procedures
PORTEGE M300 Maintenance Manual (960-504)