2 Troubleshooting Procedures
2.12 LAN Troubleshooting
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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Satellite A40 Maintenance Manual (960-458)
Summary of Contents for Satellite A40 Series
Page 10: ...x Satellite A40 Maintenance Manual 960 458 ...
Page 11: ...Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview 1 ii Satellite A40 Maintenance Manual 960 458 ...
Page 51: ...Chapter 2 Troubleshooting Procedures ...
Page 52: ...2 Troubleshooting Procedures 2 ii Satellite A40 Maintenance Manual 960 458 ...
Page 56: ...2 Troubleshooting Procedures 2 vi Satellite A40 Maintenance Manual 960 458 ...
Page 118: ...Chapter 3 Tests and Diagnostics ...
Page 119: ...3 Tests and Diagnostics 3 ii Satellite A40 Maintenance Manual 960 458 ...
Page 204: ...Chapter 4 Replacement Procedures ...
Page 205: ...4 Replacement Procedures 4 ii Satellite A40 Maintenance Manual 960 458 ...
Page 358: ...Appendices ...
Page 359: ...Appendices App ii Satellite A40 Maintenance Manual 960 458 ...
Page 365: ...Appendices App viii Satellite A40 Maintenance Manual 960 458 ...
Page 371: ...Appendices Appendix A Handling the LCD Module A 6 Satellite A40 Maintenance Manual 960 458 ...
Page 411: ...Appendices Appendix E Key Layout E 4 Satellite A40 Maintenance Manual 960 458 ...
Page 413: ...Appendices Appendix F Wiring Diagrams F 2 Satellite A40 Maintenance Manual 960 458 ...
Page 415: ...Appendices Appendix G BIOS Rewrite Procedures G 2 Satellite A40 Maintenance Manual 960 458 ...
Page 417: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 Satellite A40 Maintenance Manual 960 458 ...
Page 419: ...Appendices Appendix I Reliability I 2 Satellite A40 Maintenance Manual 960 458 ...