Toshiba Satellite PRO T230, Maintenance Manual

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2 Troubleshooting Procedures
Satellite T230/T235 Series Maintenance Manual
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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 2-12 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.