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2 Troubleshooting Procedures
2-40 [CONFIDENTIAL] Satellite M500/M505/M507 Maintenance Manual
Procedure 3 Replacement Check
The wireless LAN antenna, wireless LAN board and the main board are connected to the
circuits. Any of these components may be damaged. Refer to Chapter 4, Replacement
Procedures, for instructions on how to disassemble the computer and then perform the
following checks:
Check 1 The wireless LAN board may be defective or damaged. Replace the board with a
new one following the steps in Chapter 4, Replacement Procedures. If the
problem still exists, perform Check 2.
Check 2 The wireless LAN antenna may be defective or damaged. Replace the antenna
with a new one following the steps in Chapter 4, Replacement Procedures. If the
problem still exists, perform Check 3.
Check 3 The main board may be defective or damaged. Replace the board with a new one
following the instructions in Chapter 4, Replacement Procedures and test the
display again.