Toshiba QOSMIO G10 Maintenance Manual page 93

2.5 USB FDD Troubleshooting
Check 2 USB FDD may be faulty. Replace it with a new one. If the problem still occurs,
perform Check 3.
Check 3 Connect USB FDD to each port embedded on system board and on US board.
Then, check whether it works properly. If it does not work properly when
connected to CN4620, perform Check 4. If it does not work properly when
connected to CN4610, CN4611, CN4612 or all ports, perform Check 5.
Check 4 US board may be faulty. Replace it with a new one following the steps in Chapter
4, Replacement Procedures. If the problem still occurs, perform Check 5.
Check 5 System board may be faulty. Replace it with a new one following the steps in
Chapter 4, Replacement Procedures.
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2 Troubleshooting Procedures
QOSMIO G10 Maintenance Manual (960-497)