Toshiba satellite a20 series Benutzerhandbuch

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2.5  FDD Troubleshooting 
2  Troubleshooting Procedures 
Procedure 3 
Connector Check and Replacement Check 
The 3.5-inch USB FDD is connected to the system board. 
Check 1  Make sure the USB FDD cable is firmly connected to PJ4600 on system board. 
 
USB cable
System board
PJ4600
USB FDD
 
 
If any of the connections is loose, reconnect firmly and repeat Procedure 2.  If any of 
the connections is damaged, or there is still an error, go to Check 2. 
Check 2  The FDD or USB cable may be defective or damaged.  Replace it with a new one.  If 
the USB FDD is still not functioning properly, perform Check 3. 
Check 3  Replace the system board with a new one following the steps in Chapter 4. 
Satellite A20 Maintenance Manual (960-444) 
 
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