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2.4 System Board
2 Troubleshooting
TOSHIBA NB100 Maintenance Manual
2-9
2.4 System Board
To check if the system board is defective or malfunctioning, follow the troubleshooting
procedures below as instructed.
Procedure 1 Message Check
Procedure 2 Test Program Check
Procedure 3 Replacement Check
Procedure 1 Message Check
When the power is turned on, the system performs the self-diagnostic Power On Self Test
(POST) embedded in the BIOS ROM. The POST tests and initializes each IC on the system
board.
If an error message appears on the display, perform Check 1.
If there is no error message, go to Procedure 2.
If FREE-DOS, Windows XP or Linix is loaded normally, go to Procedure 3.
Check 1
If the following error message is displayed on the screen, press the
F1
key
as prompted. These errors occur when the system configuration
preserved in the RTC memory (generally called CMOS memory) does not
match the actual configuration or when the data is lost.
If you press the
F1
key as prompted by the message, the TSETUP screen
appears to set the system configuration. If the error message appears
frequently when the power is turned on, replace the RTC battery. If any
other error message is displayed, perform Check 2.
*** Bad RTC battery ***
Check system. Then press [F1] key
Check 2
If the following error message is displayed on the screen, press any key as
prompted by the message.
The error message appears when either data stored in RAM to be resumed
is lost because the battery has been exhausted or the system board is faulty.
RESUME FAILURE and PRESS ANY KEY TO CONTINUE.
Содержание NB 100 Series
Страница 10: ...4 Replacement Procedure vi TOSHIBA NB100 Maintenance Manual Installing the Touch Pad Board 4 39 ...
Страница 12: ...Chapter 1 Hardware Overview TOSHIBA NB100 Maintenance Manual i ...
Страница 13: ...1 Hardware Overview ii TOSHIBA NB100 Maintenance Manual ...
Страница 20: ...1 1 Features 1 Hardware Overview Figure 1 2 Computer Block Diagram TOSHIBA NB100 Maintenance Manual 9 ...
Страница 21: ...1 Hardware Overview 1 1 Features Figure 1 3 System Board Configurations 10 TOSHIBA NB100 Maintenance Manual ...
Страница 32: ...2 Troubleshooting TOSHIBA NB100 Maintenance Manual 2 i 2 概要 Chapter 2 Troubleshooting ...
Страница 34: ...2 Troubleshooting TOSHIBA NB100 Maintenance Manual 2 iii ...
Страница 56: ...2 10Cooling Module 2 Troubleshooting TOSHIBA NB100 Maintenance Manual 2 21 ...
Страница 57: ...Chapter 3 Diagnostic Programs ...
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Страница 93: ...3 5 System Test 3 Diagnostic Programs TOSHIBA NB100 Maintenance Manual 33 ...
Страница 112: ...3 Diagnostic Programs 3 8 Video 52 TOSHIBA NB100 Maintenance Manual ...
Страница 116: ...3 Diagnostic Programs 3 10 Peripheral Check whether the orange led works normally 56 TOSHIBA NB100 Maintenance Manual ...
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Страница 124: ...Chapter 4 Replacement Procedures ...
Страница 125: ...4 Replacement Procedures 4 ii TOSHIBA NB100 Maintenance Manual ...
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Страница 175: ...6000 1 次 Appendices ...
Страница 184: ...Appendices Apx B Board Layout B 2 TOSHIBA NB100 Maintenance Manual Figure B 2 Board layout back ...