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2 Troubleshooting
2.8 LAN
2-18
TOSHIBA NB100 Maintenance Manual
2.8 LAN
To check if the computer’s LAN is defective or malfunctioning, follow the troubleshooting
procedures below as instructed.
Procedure 1 Test Program Check
Procedure 2 Connector Check and Replacement Check
Procedure 1 Test Program Check
Execute the LAN check program available as part of the maintenance test program. This
program will check the LAN. Insert the Bootable CD into the CD. Turn on the computer
and run the check program. See Chapter 3 for information on how to perform the check.
If any abnormal is detected by the check, go to Procedure 2
Procedure 2 Connector Check and Replacement Check
The LAN connector (RJ45) is mounted on the system board. If the LAN malfunctions, the
system board might be faulty.
Disassemble the computer following the steps described in Chapter 4 and perform the
following checks:
Check 1
The system board may be faulty. Replace it with a new one following the
instructions in Chapter 4. If the LAN is still not functioning properly,
perform Check 2.
Check 2
The memory may be defective. Replace the memory module with a new
one following the steps described in Chapter 4. If the problem persists,
perform
Check 3.
Check 3
The system board may be faulty. Disassemble the computer following the
steps described in Chapter 4 and replace the system board with a new one
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 ...
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Страница 184: ...Appendices Apx B Board Layout B 2 TOSHIBA NB100 Maintenance Manual Figure B 2 Board layout back ...