742 Troubleshooting Procedures

To determine if the computer’s built-in LAN is functioning properly, perform the following procedures. Figure 2-30 outlines the process. Start with Procedure 1 and continue as instructed.

Procedure 1: LAN connection check

Procedure 2: LAN port check

Procedure 1 LAN connection check

The LAN cable may be damaged or the connections may be loose. Perform Check 1:

Check 1 Make sure LAN cable is firmly plugged into both the LAN set and the LAN port of the computer. If the cable is connected correctly, go to Check 2.

Check 2 The LAN cable may be damaged. Replace with a good cable. If the malfunction remains, go to Procedure 2.

Procedure 2 LAN port check

The LAN set may be faulty. Perform Check 1:

Check 1 Try connecting a different LAN port to the computer. If the replacement LAN works, the original set may be damaged. If the replacement set does not work, the system board may be damaged. Replace it with a new one following the instructions in Chapter 4.

Satellite A350, SATEGO A350, EQUIUM A350 Series Maintenance Manual

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Toshiba A350 manual Procedure 1 LAN connection check, Procedure 2 LAN port check