Toshiba R600 S4202 - Portege - Core 2 Duo 1.4 GHz Maintenance Manual page 101

2.12 Wireless LAN Troubleshooting
Procedure 3
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.
PORTEGE R600 Maintenance Manual (960-709)
Replacement Check
2 Troubleshooting Procedures
[CONFIDENTIAL] 2-55