Toshiba Portege R500 Maintenance Manual - Page 98

2 Troubleshooting Procedures 2.12 Wireless LAN Troubleshooting Procedure 3 Replacement Check The wireless LAN antenna, wireless LAN board and the system 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 Check 2 Check 3 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. 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. The system 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. 2-52 [CONFIDENTIAL] PORTEGE R500 Maintenance Manual (960-634)