Toshiba Satellite Pro L450-W1543 Maintenance Manual - Page 72

372 Troubleshooting Procedures The HDD or system board may be the reason of a HDD fault. Either of these two components may be damaged. To determine if the computer's HDD is functioning properly, perform the following procedures. Figure 2-17 outlines the process. Start with Procedure 1 and continue with the other procedures as instructed. Procedure 1: Diagnostic test Procedure 2: Connector and replacement check Procedure 1 Diagnostic test Run the Diagnostic Program, which will automatically execute the HDD R/W test. Refer to Chapter 3, Tests and Diagnostics for more information on the program. If an error is located, go to Procedure 2. If an error is not located, the HDD function is functioning properly. Procedure 2 Connector and replacement check The HDD module or system board may be disconnected or damaged. Disassemble the computer following the steps described in Chapter 4, Replacement Procedures, and perform the following checks. Check 1 Make sure that the HDD module is securely slotted into the system board. If the problem persists, go to Check 2. Check 2 The HDD module may be damaged. Replace it with a new one following the instructions in Chapter 4. If the problem still exists, perform Check 3. Check 3 The system board may be damaged. Replace it with a new one following the instructions in Chapter 4. Satellite A350, SATEGO A350, EQUIUM A350 Series Maintenance Manual 37