2.11 Modem Troubleshooting
2 Troubleshooting Procedures
PORTEGE M100 Maintenance Manual
(960-452)
2-47
Procedure 2
Connector Check and Replacement Check
The Modem is installed as a modem daughter card (MDC). If the modem malfunctions, there
may be a bad connection between the MDC and the System Board. Or the MDC , System
Board or their connectors might be damaged.
Disassemble the computer following the steps described in Chapter 4,
Replacement
Procedures
and perform the following checks:
Check 1
Make sure the MDC cable is firmly connected to PJ3022 on the System Board
and make sure the MDC is firmly connected to PJ3020 on the System Board.
If a connector is disconnected, connect it firmly and repeat Procedure 1. If the
Modem is still not functioning properly, perform Check 2.
Check 2
The MDC may be defective or damaged. Replace it with a new one following the
steps in Chapter 4,
Replacement Procedures
. If the Modem 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
.
Summary of Contents for Portege M100
Page 8: ...viii PORTEGE M100 Maintenance Manual 960 452 3 29 IEEE1394 Test Program 3 91 ...
Page 11: ...PORTEGE M100 Maintenance Manual 960 452 xi ...
Page 12: ...Chapter 1 Hardware Overview ...
Page 13: ...1 Hardware Overview 1 ii PORTEGE M100 Maintenance Manual 960 452 ...
Page 36: ...Chapter 2 Troubleshooting Procedures ...
Page 37: ...2 Troubleshooting Procedures 2 ii PORTEGE M100 Maintenance Manual 960 452 ...
Page 42: ...2 Troubleshooting Procedures PORTEGE M100 Maintenance Manual 960 452 2 vii ...
Page 102: ...Chapter 3 Tests and Diagnostics ...
Page 103: ...3 Tests and Diagnostics 3 ii PORTEGE M100 Maintenance Manual 960 452 ...
Page 107: ...3 Tests and Diagnostics 3 vi PORTEGE M100 Maintenance Manual 960 452 ...
Page 140: ...3 Tests and Diagnostics 3 14 Expansion Test 3 32 PORTEGE M100 Maintenance Manual 960 452 ...
Page 160: ...3 23 SETUP 3 Tests and Diagnostics PORTEGE M100 Maintenance Manual 960 452 3 51 13 PC Card ...
Page 204: ...Chapter 4 Replacement Procedures ...
Page 205: ...4 Replacement Procedures 4 ii PORTEGE M100 Maintenance Manual 960 452 ...
Page 313: ...Appendices Appendices ...
Page 314: ...Appendices App ii PORTEGE M100 Maintenance Manual 960 452 ...
Page 320: ...Appendices App viii PORTEGE M100 Maintenance Manual 960 452 ...
Page 326: ...Appendices Appendix A Handling the LCD Module A 6 PORTEGE M100 Maintenance Manual 960 452 ...
Page 336: ...Appendices Appendix B Board Layout B 10 PORTEGE M100 Maintenance Manual 960 452 ...
Page 382: ...Appendices Appendix G BIOS Rewrite Procedures G 2 PORTEGE M100 Maintenance Manual 960 452 ...
Page 384: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 PORTEGE M100 Maintenance Manual 960 452 ...
Page 386: ...Appendices Appendix I Reliability I 2 PORTEGE M100 Maintenance Manual 960 452 ...