Toshiba Tecra A2-S239 Maintenance Manual - Page 88

2 Troubleshooting Procedures 2.6 2.5" HDD Troubleshooting 2.6 2.5" HDD Troubleshooting This section describes how to determine if the 2.5" HDD is functioning properly. Perform the steps below starting with Procedure 1 and continuing with the other procedures as required. 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 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 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 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 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 go to Procedure 2. Check 4 Remove the system disk from the FDD and reboot the computer. If the problem still exists, go to Procedure 2. Otherwise, the 2.5" HDD is operating normally. 2-34 Satellite A50/TECRA A2 Maintenance Manual (960-478)