2.12 LAN Troubleshooting 2 Troubleshooting Procedures
2.12 LAN Troubleshooting
To check if the computer’s LAN is malfunctioning or not, follow the troubleshooting
procedures below as instructed.
Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connector Check and Replacement Check
Procedure 1 Diagnostic Test Program Execution Check
Execute LAN test in the LAN/Modem/Bluettoth/IEEE1394 test program. Refer to Chapter 3,
Tests and Diagnostics for more information on how to perform the test program.
If any error is detected by the test, go to Procedure 2.
Procedure 2 Connector Check and Replacement Check
LAN cable is connected to system board. If LAN malfunctions, the connection of the cable
and board may be defective. Otherwise, they may be faulty.
Check 1 Make sure LAN cable is firmly connected to the LAN jack on the system board. If
the problem still occurs, perform Check 2.
Check 2 LAN cable may be faulty. Replace it with a new one. If the problem still occurs,
perform Check 3.
Check 3 System board may be faulty. Replace it with a new one following the instruction
in Chapter 4, Replacement Procedure.
QOSMIO G30 Maintenance Manual (960-546) [CONFIDENTIAL] 2-59
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