2 Troubleshooting Procedures
PORTEGE R400 Maintenance Manual (960-623)
[CONFIDENTIAL]
2-
55
2.14 Sound Troubleshooting
NOTE
: On the Operation Systems other than Windows, sounds come form the internal
speaker, even if a headphone connected.
This section describes how to determine if the computer’s sound functions are 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
Procedure 3: Replacement Check
Procedure 1
Diagnostic Test Program Execution Check
Insert the Sound test program in the USB floppy disk drive, turn on the computer and run the
test. Refer to Chapter 3,
Tests and Diagnostics
, for details.
If an error is detected, go to Procedure 2.
Содержание Portege R400 Series
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Страница 294: ... CONFIDENTIAL Appendices ...
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Страница 309: ...Appendices Appendix A Handling the LCD Module A 6 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 321: ...Appendices Appendix B Board Layout B 12 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 359: ...Appendices Appendix E Key Layout E 2 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 363: ...Appendices Appendix F Wiring diagrams F 4 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 365: ...Appendices Appendix G BIOS rewrite procedures G 2 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 367: ...Appendices Appendix H EC KBC rewrite procedures H 2 CONFIDENTIAL PORTEGE R400 Maintenance Manual 960 623 ...
Страница 369: ...Appendices Appendix I Reliability 2 CONFIDENTIAL PORTEGE R4000 Maintenance Manual 960 623 ...