Toshiba Satellite U840 Series, Maintenance Manual

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2 Troubleshooting Procedures
Satellite U840 Maintenance Manual (960-Q08)
19
2.6 SSD/2.5” HDD Troubleshooting
To check if SSD/2.5” HDD is malfunctioning or not, follow the troubleshooting procedures
below as instructed.
Procedure 1: Partition Check
Procedure 2: Message Check
Procedure 3: Format Check
Procedure 4: Diagnostic Test Program Execution Check
Procedure 5: Connector Check and Replacement Check
CAUTION: The contents of the hard disk will be erased when the SSD/2.5” HDD
troubleshooting procedures are executed. Transfer the contents of the hard
disk to floppy disks or other storage drive(s). For the backup, refer to the
User’s Manual.
Procedure 1 Partition Check
Insert the Toshiba MS-DOS system disk and start the computer. Perform the following
checks:
Check 1 Input 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 Input FDISK and press
Enter
. Choose Display Partition Information from the
FDISK menu. If drive C is listed in the Display Partition Information, go to Check
3. If drive C is not listed, return to the FDISK menu and choose the option to
create a DOS partition or a logical DOS drive on drive C. If the problem still
occurs, 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 go to Procedure 2.
Check 4 Remove the Toshiba MS-DOS system disk and reboot the computer. If the
problem still occurs, go to Procedure 2. Otherwise, the SSD/2.5” HDD is
operating normally.