Modem Troubleshooting; Procedure 1 Diagnostic Test Program Execution Check; Procedure 2 Connect Check And Replacement Check; Procedure 1 - Toshiba Satellite L640 Maintenance Manual

Chapter 2 Troubleshooting Procedures

2.22 Modem Troubleshooting

To check if modem is malfunctioning or not, follow the troubleshooting procedures below as
instructed.

Procedure 1:

Procedure 2:
Procedure 1

Diagnostic Test Program Execution Check

Execute Modem st in the LAN/Modem/Bluetooth/IEEE1394 test pro te
3, Tests and Diagnostics for more information on how to perform the test program.
If any error is detected, perform Procedure 2.
Procedure 2 Connector Check and Replace
MDC (Modem Daughter Card) is used as the modem for this computer. MDC is connected to
system board by connector CN10. If modem malfunctions, the connec
module may be defective. Otherwise, they may be faulty.
Disassemble the computer following the steps described in Chapter 4 and perform the
following checks:
Check 1 Make sure the following connections are firmly connected.
If any connector is disconnected, connect it firmly and return to Procedure 1. I
problem still occurs, perform Check 2.
Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08)
Diagnostic Test Program Execution Check
Connector Check and Replacement Check
gram. Refer to Chapter
ment Check
tion of cable, board and
f the