2 Troubleshooting Procedures
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.
If it does not work properly when connected to CN12, CN19, CN20 or all ports, perform Check 4.
Check 4 System board may be faulty. Replace it with a new one following the steps in Chapter 4, Replacement Procedures.
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