Troubleshooting Procedures
2.12 LAN Troubleshooting
To check if the computer’s LAN is malfunctioning or not, follow the troubleshooting
procedures below as instructed.
Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connector Check and Replacement Check
Procedure 1
Diagnostic Test Program Execution Check
Execute LAN test in the LAN/Modem test program. Refer to Chapter 3,
Tests and Diagnostics
for more information on how to perform the test program.
If any error is detected by the test, go to Procedure 2.
Procedure 2
Connector Check and Replacement Check
The LAN function is embedded on system board. If LAN malfunctions, its connection is
defective or LAN cable and system board may be faulty.
Check 1
Make sure LAN cable is firmly connected to the connector CN1. If the problem
still occurs, perform Check 2.
No Separated LAN BOARD
,
it’s assembled.
Check 2
LAN cable may be faulty. Replace it with a new one. If the problem still occurs,
perform Check 3.
Check 3
System board may be faulty. Replace it with a new one following the instruction in
Chapter 4.
41
Satellite A300
Maintenance Manual (960-Q08)
Summary of Contents for Satellite A300 Series
Page 13: ...Satellite A300 Maintenance Manual 960 Q08 13 ...
Page 14: ...Satellite A300 Maintenance Manual 960 Q08 Chapter 1 Hardware Overview ...
Page 15: ...Chapter 1 Hardware Overview Satellite A300 Maintenance Manual 960 Q08 1 Hardware Overview ii ...
Page 22: ...Chapter 1 Hardware Overview 5 Satellite A300 Maintenance Manual 960 Q08 ...
Page 31: ...Chapter 1 Hardware Overview Satellite A300 Maintenance Manual 960 Q08 14 1 4 Optical Drive ...
Page 58: ...Chapter 1 Hardware Overview Satellite A300 Maintenance Manual 960 Q02 13 1 4 Optical Drive ...
Page 73: ...Satellite A300 Maintenance Manual 960 Q08 Chapter 2 Troubleshooting Procedures ...
Page 74: ...Satellite A300 Maintenance Manual 960 Q08 ...
Page 125: ...Satellite A300 Maintenance Manual 960 Q08 4 i Chapter 4 Replacement Procedures ...
Page 126: ...Replacement Procedures Satellite A300 Maintenance Manual 960 Q08 ...
Page 139: ...Replacement Procedures Satellite A300 Maintenance Manual 960 Q08 4 10 ...
Page 174: ...Replacement Procedures Satellite A300 Maintenance Manual 960 Q08 43 ...
Page 175: ...Replacement Procedures 44 Satellite A300 Maintenance Manual 960 Q08 ...
Page 176: ...Replacement Procedures Satellite A300 Maintenance Manual 960 Q08 45 ...
Page 186: ...Satellite A300 Maintenance Manual 960 Q08 Appendices ...
Page 187: ...Satellite A300 Maintenance Manual 960 Q08 ii ...
Page 197: ...Handling the LCD Module A 6 Satellite A300 Maintenance Manual 960 Q08 ...
Page 259: ...31 Japanese JP Keyboard Figure JP keyboard L300mm x W131 3mm ...