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Chapter 2 Troubleshooting Procedures
2.9 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 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
The LAN function is embedded on system board. If LAN malfunctions, its connection is
defective or LAN cable and system board may be faulty.
Check 1 Make sure LAN cable is firmly connected to the connector CN1. If the problem
still occurs, perform Check 2.
No Separated LAN BOARD ，it’s assembled.
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.
Satellite T110D / Satellite Pro T110D / PORTEGE T110D Maintenance Manual (960-Q08)
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