Toshiba M10 - Manual (Page 94)

2 Troubleshooting Procedures 2.11 LAN Troubleshooting
2-48 Satellite Pro M10 Series Maintenance Manual (960-431)
Procedure 2 Connector Check and Replacement Check
If the LAN port malfunctions, there may be a bad connection between the RJ-45/RJ-11 jacks and
the System Board. Or the System Board may be damaged.
Disassemble the computer following the steps described in Chapter 4, Replacement Procedures
and perform the following checks:
Check 1 Make sure the RJ-45/RJ-11 jacks are firmly connected to system board PJ124.
System board
RJ-45/
RJ-11
Jacks
JP124
If a connector is disconnected, connect it firmly and repeat Procedure 1. If the LAN
port is still not functioning properly, perform Check 2.
Check 2 The RJ-45/RJ-11 jacks may be defective or damaged. Replace it with a new one
following the steps in Chapter 4, Replacement Procedures. If the LAN port is still not
functioning properly, perform Check 3.
Check 3 The system board may be defective or damaged. Replace the system board with a
new one following the steps in Chapter 4, Replacement Procedures.