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2 Troubleshooting Procedures
2.11 LAN Troubleshooting
2-46
TECRA M3 Maintenance Manual (960-507)
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 continue 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
Execute the LAN test program available as part of the LAN/Modem/Bluetooth/IEEE1394
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 RJ-45 jack with LAN cable is connected to 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
and perform the following check:
Check 1
Make sure the RJ-45 jack is firmly connected to CN4100 on the system board.
If the connector is disconnected, connect it firmly and repeat Procedure 1. If the
LAN port is still not functioning properly, perform Check 2.
Check 2
The RJ-45 jack may be defective or damaged. Replace the RJ-45 jack with a new
one. If the LAN port is still not functioning properly, perform Check 3.
Check 3
The system board may be defective or damaged. Replace the system board with a
new one following the steps in Chapter 4,
Replacement Procedures
.
Содержание Tecra M3 Series
Страница 1: ...Toshiba Personal Computer TECRA M3 Maintenance Manual TOSHIBA CORPORATION File Number 960 507 ...
Страница 10: ...x TECRA M3 Maintenance Manual 960 507 ...
Страница 11: ...Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii TECRA M3 Maintenance Manual 960 507 ...
Страница 27: ...1 2 System Unit Block Diagram 1 Hardware Overview TECRA M3 Maintenance Manual 960 507 1 13 ...
Страница 53: ...1 13 Batteries 1 Hardware Overview TECRA M3 Maintenance Manual 960 507 1 39 ...
Страница 54: ...Chapter 2 Troubleshooting Procedures ...
Страница 55: ...2 Troubleshooting Procedures 2 ii TECRA M3 Maintenance Manual 960 507 ...
Страница 58: ...2 Troubleshooting Procedures TECRA M3 Maintenance Manual 960 507 2 v ...
Страница 60: ...2 Troubleshooting Procedures TECRA M3 Maintenance Manual 960 507 2 vii ...
Страница 118: ...2 Troubleshooting Procedures 2 16 PCI ExpressCard Slot Troubleshooting 2 58 TECRA M3 Maintenance Manual 960 507 ...
Страница 119: ...Chapter 3 Tests and Diagnostics ...
Страница 120: ...3 Tests and Diagnostics 3 ii TECRA M3 Maintenance Manual 960 507 3 ...
Страница 124: ...3 Tests and Diagnostics 3 vi TECRA M3 Maintenance Manual 960 507 ...
Страница 235: ...Chapter 4 Replacement Procedures ...
Страница 236: ...4 Replacement Procedures 4 ii TECRA M3 Maintenance Manual 960 507 ...
Страница 255: ...4 5 HDD 4 Replacement Procedures TECRA M3 Maintenance Manual 960 507 4 15 Figure 4 4 Removing the HDD cover ...
Страница 289: ...4 Replacement Procedures 4 14 Sound board 4 46 TECRA M3 Maintenance Manual 960 507 Figure 4 28 Removing the sound board ...
Страница 299: ...4 Replacement Procedures 4 17 RGB harness holder RGB board Modem jack 4 56 TECRA M3 Maintenance Manual 960 507 ...
Страница 322: ...4 23 LCD unit FL inverter 4 Replacement Procedures TECRA M3 Maintenance Manual 960 507 4 77 12 Stick the two mask seals ...
Страница 359: ...Appendices ...
Страница 360: ...Appendices App ii TECRA M3 Maintenance Manual 960 507 ...
Страница 363: ...Appendices TECRA M3 Maintenance Manual 960 507 App v Appendix I Reliability I 1 ...
Страница 367: ...Appendices TECRA M3 Maintenance Manual 960 507 App ix ...
Страница 373: ...Appendices Appendix A Handling the LCD Module A 6 TECRA M3 Maintenance Manual 960 507 ...
Страница 395: ...Appendices Appendix C Pin Assignments C 14 TECRA M3 Maintenance Manual 960 507 143 ACAD03 EYP I O 144 ACAD04 EYP I O ...
Страница 403: ...Appendices Appendix C Pin Assignments C 22 TECRA M3 Maintenance Manual 960 507 217 GND 218 NC ...
Страница 407: ...Appendices Appendix C Pin Assignments C 26 TECRA M3 Maintenance Manual 960 507 13 LAN E3V 14 LAN E3V ...
Страница 414: ...Appendix C Pin Assignments Appendices TECRA M3 Maintenance Manual 960 507 C 33 3 SPOTR PXP 4 SPOTR PXN O ...
Страница 427: ...Appendices Appendix E Key Layout E 2 TECRA M3 Maintenance Manual 960 507 ...
Страница 429: ...Appendices Appendix F Wiring diagrams F 2 TECRA M3 Maintenance Manual 960 507 ...
Страница 431: ...Appendices Appendix G BIOS rewrite procedures G 2 TECRA M3 Maintenance Manual 960 507 ...
Страница 433: ...Appendices Appendix H EC KBC rewrite procedures H 2 TECRA M3 Maintenance Manual 960 507 ...
Страница 435: ...Appendices Appendix I Reliability I 2 TECRA M3 Maintenance Manual 960 507 ...