Make sure Bluetooth module has been firmly connected to the connector on the system board.
Also make sure Bluetooth module is free of foreign matters.
And if the connector is disconnected, connect it firmly to the system board and return to
Procedure 1. If a foreign matter is found on Bluetooth Module, remove it and then return to
Procedure 1. If there is still an error, perform Check 2.
Check 2
Bluetooth Module may be faulty. Replace it with a new one following the steps described in
Chapter 4. If Bluetooth Module replaced is still not functioning properly, perform Check 3.
Check 3
System Board may be defective. Replace System Board with a new one following the steps
described in Chapter 4.
2 Troubleshooting 2.21 LAN Port
2.21 LAN Port
To determine if the computer’s LAN Port is functioning properly or malfunctions, perform
following procedures. Start with Procedure 1 and continue with the other procedure as
instruction below.
Procedure 1 Windows Application Test
Procedure 2 Connector Check and Replacement Check
Procedure 1 Windows Application Test
The LAN Port Connector is mounted on System Board. Connect an LAN Cable with Internet
interface to the computer’s LAN port, then power on the computer into Windows. Execute
Function Programs in Windows, which will display the LAN Test Result. If the test and
diagnostics result is abnormal, go to Procedure 2. If an error is not located, LAN system is
functioning properly.
Procedure 2 Connector Check and Replacement Check
If LAN Port on System Board malfunctions, there may be a bad connection between LAN
Cable and System Board. Or System Board might be faulty. Disassemble the computer
following the steps described in Chapter 4 and perform the following checks:
Check 1
Make sure LAN Cable has been firmly connected to LAN Port on System Board. Also make sure
LAN Port on System Board is free of foreign matters.
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