Lan Troubleshooting - Toshiba Satellite A40 Maintenance Manual

2 Troubleshooting Procedures

2.11 LAN Troubleshooting

This section describes how to determine if the computer's LAN is functioning properly.
Perform the steps below starting with Procedure 1 and continuing with the other procedures
as required.
Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connector Check and Replacement Check
Procedure 1 Diagnostic Test Program Execution Check
The Sound/LAN/Modem test program is stored in the Diagnostics Disk.
For the test, prepare a test Sound /LAN/Modem.
Then insert the Diagnostics Disk in the computer's floppy disk drive, turn on the computer
and run the test. Refer to Chapter 3, Tests and Diagnostics, for more information about the
diagnostics test procedures.
If any errors occur while executing the Sound/LAN/Modem test, go to Procedure 2.
Procedure 2 Connector Check and Replacement Check
The RJ45 jack with LAN cable is on the System Board. If the LAN malfunctions, the System
Board might be damaged.
Disassemble the computer following the steps described in Chapter 4, Replacement
Procedures.
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2.12 LAN Troubleshooting
Satellite A40 Maintenance Manual (960-458)