2 Troubleshooting Procedures
2.4 System Board Troubleshooting
PORTEGE M300 Maintenance Manual (960-504)
2-19
Procedure 1
Message Check
When the power is turned on, the system performs the Initial Reliability Test (IRT) installed
in the BIOS ROM. The IRT tests each IC on the system board and initializes it.
?
If an error message is shown on the display, perform Check 1.
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If there is no error message, go to Procedure 2.
?
If MS-DOS is properly loaded, go to Procedure 4.
Check 1
If one of the following error messages is displayed on the screen, press the
F1
key
as the message instructs. These errors occur when the system configuration
preserved in the RTC memory (CMOS type memory) is not the same as the actual
configuration or when the data is lost.
If you press the
F1
key as the message instructs, the SETUP screen appears to set
the system configuration. If any other error message is displayed, perform Check
2.
(a)
*** Bad HDD type ***
Check system. Then press [F1] key ......
(b)
*** Bad RTC battery ***
Check system. Then press [F1] key ......
(c)
*** Bad configuration ***
Check system. Then press [F1] key ......
(d)
*** Bad memory size ***
Check system. Then press [F1] key ......
(e)
*** Bad time function ***
Check system. Then press [F1] key ......
(f)
*** Bad check sum (CMOS) ***
Check system. Then press [F1] key ......
(g)
*** Bad check sum (ROM) ***
Check system. Then press [F1] key ......
Check 2
If the following error message is displayed on the screen press any key as the
message instructs.
The following error message appears when data stored in RAM less the resume
function is lost because the battery has become discharged or the system board is
damaged. Go to Procedure 3.
WARNING: RESUME FAILURE.
PRESS ANY KEY TO CONTINUE.
If any other error message is displayed, perform Check 3.
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 ...