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2 Troubleshooting Procedures
2.12 LAN Troubleshooting
2.12 LAN Troubleshooting
To check if the computer’s LAN is malfunctioning or not, follow the troubleshooting
procedures below as instructed.
Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connector Check and Replacement Check
Procedure 1
Diagnostic Test Program Execution Check
Execute LAN test in the Sound/LAN/Modem 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
LAN cable is connected to system board. If LAN malfunctions, the connection of the cable
and board may be defective. Otherwise, they may be faulty.
Check 1
Make sure LAN cable is firmly connected to the LAN jack on the system board. If
the problem still occurs, perform Check 2.
Check 2
LAN cable may be faulty. Replace it with a new one. If the problem still occurs,
perform Check 3.
Check 3
System board may be faulty. Replace it with a new one following the instruction
in Chapter 4,
Replacement Procedure
.
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[CONFIDENTIAL]
QOSMIO F30 Maintenance Manual (960-555)
Summary of Contents for QOSMIO F30 Series
Page 10: ...x CONFIDENTIAL QOSMIO F30 Maintenance Manual 960 555 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 38: ...1 Hardware Overview 1 9 AC Adapter 1 24 CONFIDENTIAL QOSMIO F30 Maintenance Manual 960 555 ...
Page 39: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
Page 40: ...2 Troubleshooting Procedures 2 ii CONFIDENTIAL QOSMIO F30 Maintenance Manual 960 555 2 ...
Page 44: ...2 Troubleshooting Procedures 2 vi CONFIDENTIAL QOSMIO F30 Maintenance Manual 960 555 ...
Page 115: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 116: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL QOSMIO F30 Maintenance Manual 960 555 3 ...
Page 120: ...3 Tests and Diagnostics 3 vi CONFIDENTIAL QOSMIO F30 Maintenance Manual 960 555 ...
Page 214: ...3 Tests and Diagnostics 3 32 SETUP 3 94 CONFIDENTIAL QOSMIO F30 Maintenance Manual 960 555 ...
Page 229: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Page 230: ...4 Replacement Procedures 4 ii CONFIDENTIAL QOSMIO F30 Maintenance Manual 960 555 4 ...
Page 236: ...4 Replacement Procedures 4 viii CONFIDENTIAL QOSMIO F30 Maintenance Manual 960 555 ...
Page 329: ... CONFIDENTIAL Appendices ...
Page 330: ...Appendices App ii CONFIDENTIAL QOSMIO F30 Maintenance Manual 960 555 ...
Page 338: ...Appendices App x CONFIDENTIAL QOSMIO F30 Maintenance Manual 960 555 ...
Page 354: ...Appendices Appendix B Board Layout B 10 CONFIDENTIAL QOSMIO F30 Maintenance Manual 960 555 ...
Page 386: ...Appendices Appendix C Pin Assignments C 32 CONFIDENTIAL QOSMIO F30 Maintenance Manual 960 555 ...
Page 396: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL QOSMIO F30 Maintenance Manual 960 555 ...
Page 398: ...Appendices Appendix F Wiring diagrams F 2 CONFIDENTIAL QOSMIO F30 Maintenance Manual 960 555 ...
Page 404: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL QOSMIO F30 Maintenance Manual 960 555 ...