Toshiba Satellite P755 Series, Maintenance Manual

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2Troubleshooting Procedures
Satellite A660/A665 Series Maintenance Manual 73
The Battery or system board may be the reason of a Battery fault. Either of these two
components may be damaged. To determine if the computer’s Battery is functioning properly,
perform the following procedures. Figure 2-30 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 Battery test. (Refer to
Chapter 3 system configuration check), 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 Battery function is
functioning properly.
Procedure 2 Connector and replacement check
The Battery 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 Battery module is securely slotted into the system board. If the
problem persists, go to Check 2.
Check 2 The Battery 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.