Troubleshooting Procedures
Procedure 3 Replacement Check
Wireless LAN card, wireless LAN antenna or system board may be faulty. Refer to Chapter 4,
Replacement Procedures, for instructions on how to disassemble the computer and then
perform the following checks:
Check 1 Wireless LAN antenna may be faulty. Replace it with a new one following the
instructions in Chapter 4, Replacement Procedures. If the problem still occurs,
perform Check 2.
Check 2 Wireless LAN card may be faulty. Replace it with a new one following the
instructions in Chapter 4, Replacement Procedures. If the problem still occurs,
perform Check 3.
Check3 System board may be faulty. Replace it with a new one following the instructions
in Chapter 4, Replacement Procedures.
48 Satellite U300 and Satellite Pro U300 Maintenance Manual
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