Toshiba Satellite A350D

952 Troubleshooting Procedures

Satellite A350D/A355D, SATEGO A350D, EQUIUM A350D Series Maintenance Manual

Figure 2-29 LAN troubleshooting process

To determine if the computer’s built-in LAN is functioning properly, perform the following

procedures. Figure 2-29 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.