2 Troubleshooting Procedures
PORTÉGÉ X30W-J, dynabook V*/VZ*/VC* Series Maintenance Manual (960-941) [CONFIDENTIAL]
2-19
2.5 USB
Troubleshooting
To check if the USB is malfunctioning or not, follow the troubleshooting procedures below as
instructed.
Procedure 1: Reading check of data
Procedure 2: Replacement Check of USB unit
Procedure 3: Replacement Check of system board
2.5.1 Procedure 1
Reading check of data
NOTE:
Be sure to check the USB unit condition with care for the followings.
1. USB unit is not loosening.
2. USB unit is connected straight to the connector.
3. USB unit is connected fully in the connector.
4. USB unit or connector is not broken.
Insert the USB unit to the computer and check if the data in the USB unit can be read. This
check should be done on all the USB connectors.
If the data cannot be read, confirm that the USB unit is firmly connected to the connector. If
the problem still occurs, go to Procedure 2.
2.5.2 Procedure 2
Replacement Check of USB unit
Check 1 USB unit may be faulty. Replace it with a new one. If the problem still occurs, go
to Procedure 3.
Содержание PORTEGE X30W-J
Страница 11: ...Chapter 1 Hardware Overview...
Страница 12: ...1 Hardware Overview 1 ii CONFIDENTIAL PORT G X30W J dynabook V VZ VC Series Maintenance Manual 960 941...
Страница 39: ...Chapter 2 Troubleshooting Procedures...
Страница 92: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL PORT G X30W J dynabook V VZ VC Series Maintenance Manual 960 941 3...
Страница 138: ...3 Tests and Diagnostics 3 44 CONFIDENTIAL PORT G X30W J dynabook V VZ VC Series Maintenance Manual 960 941...
Страница 139: ...Chapter 4 Replacement Procedures...
Страница 140: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORT G X30W J dynabook V VZ VC Series Maintenance Manual 960 941...
Страница 229: ...CONFIDENTIAL Appendices...
Страница 230: ...Appendices App ii CONFIDENTIAL PORT G X30W J dynabook V VZ VC Series Maintenance Manual 960 941...
Страница 232: ...Appendices App iv CONFIDENTIAL PORT G X30W J dynabook V VZ VC Series Maintenance Manual 960 941...
Страница 240: ...Appendix B Board Layout Appendices B ii CONFIDENTIAL PORT G X30W J dynabook V VZ VC Series Maintenance Manual 960 941...
Страница 246: ...Appendix B Board Layout Appendices B 6 CONFIDENTIAL PORT G X30W J dynabook V VZ VC Series Maintenance Manual 960 941...
Страница 264: ...Appendix C Pin Assignments Appendices C 16 CONFIDENTIAL PORT G X30W J dynabook V VZ VC Series Maintenance Manual 960 941...
Страница 266: ...Appendices Appendix D Keyboard Matrix D ii CONFIDENTIAL PORT G X30W J dynabook V VZ VC Series Maintenance Manual 960 941...
Страница 270: ...Appendices Appendix D Keyboard Matrix D 4 CONFIDENTIAL PORT G X30W J dynabook V VZ VC Series Maintenance Manual 960 941...
Страница 272: ...Appendices Appendix E Key Layout E ii CONFIDENTIAL PORT G X30W J dynabook V VZ VC Series Maintenance Manual 960 941...
Страница 276: ...Appendices Appendix F Wiring diagrams F 2 CONFIDENTIAL PORT G X30W J dynabook V VZ VC Series Maintenance Manual 960 941...
Страница 282: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL PORT G X30W J dynabook V VZ VC Series Maintenance Manual 960 941...