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2 Troubleshooting Procedures 2.12 Wireless LAN Troubleshooting
Procedure 4 Replacement Check
The wireless LAN board is connected to the power board and the system board. 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 Replace the wireless LAN board with a new one following the instructions in
Chapter 4, Replacement Procedures and test the display again. If the problem still
exists, perform Check2.
Check 2 The power board may be defective or damaged. Replace it with a new one
following the steps in Chapter 4, Replacement Procedures. If the problem still
exists, perform Check3.
Check 3 Replace the system board with a new one following the instructions in Chapter 4,
Replacement Procedures.
2-56 Satellite A40 Maintenance Manual (960-458)