Maintenance Manual (960-949) 2-19
Troubleshooting Procedures
System board may be faulty. Replace it with a new one following
the instruction in Chapter 4, Replacement Procedures.
2.11 Wireless LAN + Bluetooth Troubleshooting
To check if the computer’s Wireless LAN + Bluetooth module is
malfunctioning or not, follow the troubleshooting procedures below as
instructed.
Procedure 1: Module/Antennas’ Check
Procedure 2: Connection Check
Procedure 3: Replacement Check
2.11.1 Procedure 1 Module/Antennas’ Check
Check 1
This procedure checks if the Wireless LAN and Bluetooth is
working properly by using the function of Windows. Refer to
Chapter 3, Tests and Diagnostics for more information.
If the computer passes the test, the function is correctly working.
If the computer does not pass the test, perform Procedure 2.
2.11.2 Procedure 2 Connection Check
The wireless LAN/Bluetooth module’s wiring diagram is shown below:
Any of the connections may be defective. Disassemble the computer
following the steps described in Chapter 4, Replacement Procedures, and
perform the following checks:
Check 1
Make sure that antenna cables for wireless function (black and
white) are firmly connected to the connectors on the module. If
the cables are not connected properly, connect them firmly and
perform Procedure 1. If the problem still occurs, go to the
Procedure 3.
2.11.3 Procedure 3 Replacement Check
Wireless LAN/Bluetooth module, antenna for wireless function 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:
<System board>
IC2630
black
white
AUX
MAIN
Antennas
antenna cable
WLAN/BT module
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