Toshiba Tecra A2-S239 Maintenance Manual - Page 87

Procedure 3, Connector Check and Replacement Check, 5 FDD Troubleshooting, Troubleshooting Procedures

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2.5 3.5" FDD Troubleshooting 2 Troubleshooting Procedures Procedure 3 Connector Check and Replacement Check The USB connector may be disconnected from the system board. Check visually that the connector is connected firmly. Check 1 Make sure the following cable and connector are firmly connected to the system board. If any of the connections are loose, reconnect firmly and repeat Procedure 2. If there is still an error, go to Check 2. Check 2 The USB FDD may be defective or damaged. Replace it with a new one. If the FDD is still not functioning properly, perform Check 3. Check 3 The connector board connected to the system board may be defective or damaged. Replace it with a new one. If the FDD is still not functioning properly, perform Check 4. Check 4 Replace the system board with a new one following the steps in Chapter 4, Replacement Procedures. Satellite A50/TECRA A2 Maintenance Manual (960-478) 2-33

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2.5
3.5” FDD Troubleshooting
2
Troubleshooting Procedures
Satellite A50/TECRA A2 Maintenance Manual (960-478)
2-33
Procedure 3
Connector Check and Replacement Check
The USB connector may be disconnected from the system board. Check visually that the
connector is connected firmly.
Check 1
Make sure the following cable and connector are firmly connected to the
system board.
If any of the connections are loose, reconnect firmly and repeat Procedure 2. If
there is still an error, go to Check 2.
Check 2
The USB FDD may be defective or damaged. Replace it with a new one. If the
FDD is still not functioning properly, perform Check 3.
Check 3
The connector board connected to the system board may be defective or
damaged. Replace it with a new one. If the FDD is still not functioning
properly, perform Check 4.
Check 4
Replace the system board with a new one following the steps in Chapter 4,
Replacement Procedures
.