Toshiba Tecra A8 Maintenance Manual - Page 96

2 Troubleshooting Procedures 2.6 HDD Troubleshooting 2 2.6 HDD Troubleshooting This section describes how to determine if the 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 you execute the HDD troubleshooting procedures. Transfer the contents of the hard disk to floppy disks or other storage media. Procedure 1 Partition Check Insert the Toshiba DOS system disk and restart the computer with U key holding down. 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. Restart the computer from the Toshiba DOS system disk. 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. Restart the computer and then go to Procedure 2. Check 4 Remove the FD and restart the computer. If the problem still exists, go to Procedure 2. 2-48 [CONFIDENTIAL] TECRA A8 /Satellite Pro A120 Maintenance Manual (960-573)