2 Troubleshooting Procedures
2.13 Wireless LAN Troubleshooting
2-54
[CONFIDENTIAL]
QOSMIO F20 Maintenance Manual (960-526)
Procedure 2
Antennas' Connection Check
The wireless LAN function-wiring diagram is shown below:
Any of the connections may be disconnected. Disassemble the computer following the steps
described in Chapter 4,
Replacement Procedures
, and check the followings:
Check 1
Make sure the wireless communication switch is “On”.
If the switch is “Off”, turn it “On”. If there is still an error, perform Check 2.
Check 2
Make sure the wireless LAN card is firmly connected to the CN2200 on the system
board.
If the wireless LAN card is disconnected, connect it firmly and perform Procedure
1. If the problem still occurs, perform Check 3.
Check 3
Make sure that the wireless LAN antenna cables (black and white) are firmly
connected to the connector on the wireless LAN card.
If the wireless LAN antenna cables are disconnected, connect them firmly and
perform Procedure 1. If the problem still occurs, go to the procedure 3.
Содержание QOSMIO F20 Series
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Страница 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Страница 12: ...1 Hardware Overview 1 ii CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 1 Hardware Overview ...
Страница 47: ... CONFIDENTIAL Chapter 2 Troubleshooting Procedures ...
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Страница 111: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
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Страница 117: ...3 Tests and Diagnostics QOSMIO F20 Maintenance Manual 960 526 CONFIDENTIAL 3 vii ...
Страница 227: ...3 31 SETUP 3 Tests and Diagnostics QOSMIO F20 Maintenance Manual 960 526 CONFIDENTIAL 3 105 ...
Страница 228: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Страница 229: ...4 Replacement Procedures 4 ii CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 4 ...
Страница 316: ... CONFIDENTIAL Appendices ...
Страница 317: ...Appendices App ii CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Страница 322: ...Appendices QOSMIO F20 Maintenance Manual 960 526 CONFIDENTIAL App vii Table I 1 MTBF I 1 ...
Страница 323: ...Appendices App viii CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Страница 329: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Страница 337: ...Appendices Appendix B Board Layout B 8 CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Страница 373: ...Appendices Appendix C Pin Assignments C 36 CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Страница 383: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Страница 385: ...Appendices Appendix F Wiring diagrams F 2 CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Страница 387: ...Appendices Appendix G BIOS Rewrite Procedures G 2 CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Страница 389: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...
Страница 391: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL QOSMIO F20 Maintenance Manual 960 526 ...