2 Troubleshooting Procedures
2.1 Troubleshooting
PORTEGE M300 Maintenance Manual (960-504)
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2.1 Troubleshooting
Chapter 2 describes how to determine which Field Replaceable Unit (FRU) in the computer
is causing the computer to malfunction. (The “FRU” means the replaceable unit in the field.)
The FRUs covered are:
1. Power supply
6. Touch pad
11. Wireless LAN
2. System Board
7. Display
12. Bluetooth
3. USB FDD
8. Optical Drive
13. Sound
4. 2.5” HDD
9. Modem
5. Keyboard
10. LAN
The Test Program operations are described in Chapter 3. Detailed replacement procedures are
described in Chapter 4.
NOTE:
1.
When replacing the system board, make sure to follow the procedures below.
(1) Execute the subtest03 DMI information save of 3.3 Setting of the hardware
configuration in Chapter 3 in order to save DMI data from the old system board
to Floppy disk.
(2) Copy the DMI data to a new system board by executing the subtest04 DMI
information recovery and subtest08 System configuration display.
The implement for the Diagnostics procedures is referred to Chapter 3. Also, following
implements are necessary:
1.
Phillips screwdrivers (For replacement procedures)
2.
Implements for debugging port check
?
Toshiba MS-DOS system FD
?
RS-232C cross cable
?
Test board with debug port test cable
?
PC for displaying debug port test result
Summary of Contents for Portege M300
Page 10: ...x PORTEGE M300 Maintenance Manual 960 504 ...
Page 43: ...Chapter 2 Troubleshooting Procedures ...
Page 44: ...2 Troubleshooting Procedures 2 ii PORTEGE M300 Maintenance Manual 960 504 ...
Page 49: ...2 Troubleshooting Procedures PORTEGE M300 Maintenance Manual 960 504 2 vii ...
Page 106: ...PORTEGE M300 Maintenance Manual 960 504 3 i Chapter 3 Tests and Diagnostics ...
Page 107: ...3 ii PORTEGE M300 Maintenance Manual 960 504 ...
Page 112: ...PORTEGE M300 Maintenance Manual 960 504 3 vii ...
Page 226: ...3 32 SETUP 3 Tests and Diagnostics 3 110 PORTEGE M300 Maintenance Manual 960 504 ...
Page 227: ...Chapter 4 Replacement Procedures ...
Page 228: ...4 Replacement Procedures 4 ii PORTEGE M300 Maintenance Manual 960 504 ...
Page 232: ...4 Replacement Procedures 4 vi PORTEGE M300 Maintenance Manual 960 504 ...
Page 313: ...Appendices ...
Page 314: ...Appendices App ii PORTEGE M300 Maintenance Manual 960 504 ...
Page 320: ...Appendices App viii PORTEGE M300 Maintenance Manual 960 504 ...
Page 326: ...Appendix A Handling the LCD Module A 6 PORTEGE M300 Maintenance Manual 960 504 ...
Page 332: ...B 3 HDD FPC View FNCHD Appendix B Board Layout B 6 PORTEGE M300 Maintenance Manual 960 504 ...
Page 368: ...Appendix E Key Layout E 2 PORTEGE M300 Maintenance Manual 960 504 ...
Page 370: ...Appendix E Key Layout E 2 PORTEGE M300 Maintenance Manual 960 504 ...
Page 374: ...Appendix G BIOS Rewrite Procedures G 2 PORTEGE M300 Maintenance Manual 960 504 ...
Page 376: ...Appendix G BIOS Rewrite Procedures G 2 PORTEGE M300 Maintenance Manual 960 504 ...
Page 378: ...Appendix H EC KBC Rewrite Procedures H 2 PORTEGE M300 Maintenance Manual 960 504 ...
Page 380: ...Appendix I Reliability I 2 PORTEGE M300 Maintenance Manual 960 504 ...