Toshiba A500D/PRO A500DPRO A500D Manual Do Utilizador

 

                                                                                                            

Satellite A500D/Satellite A505D/Satellite A507D/Satellite Pro Series Maintenance Manual

33

 

This section describes how to determine if the computer's modem is functioning properly. 
Figure 2-10 outlines the process. Perform the steps below starting with Procedure 1 and 
continuing with the other procedures as required. 

 

Procedure 1:  Telephone line connection check 

Procedure 2:  Modem card connection check 

Procedure 3:  Modem card replacement check 

The telephone cable may be damaged or the connections may be loose. Use windows 
application to check device can work fine or not. Attempt to connect the computer to a 
network through using the modem. If the modem does not function at all, go to Procedure 3. 
If the attempt fails because the computer detects no telephone signal, the fault may be in the 
telephone cable, the wall socket or the modem port. Perform Check 1: 

 

Check 1 

Make sure telephone cable is firmly plugged into both the telephone wall socket 
and the modem port of the computer. If the cable is connected correctly, go to 
Check 2. 

Check 2 

Make sure the modem port is firmly secured to the system board of the computer. 
If the malfunction remains, go to Check 3. 

Check 3 

The telephone cable may be damaged. Replace with a good cable. If the 
malfunction remains, go to Procedure 2. 

Disassemble the computer following the steps described in Chapter 4, Replacement 
Procedures and ensure that the modem card is well connected to the system board. If the 
problem persists, perform Procedure 3. 

The modem card or RJ-11 jack may be faulty. Try replacing them. If the problem persists, the 
system board may be defective or damaged.  Replace the System Board with a new one 
following the steps in Chapter 4, Replacement Procedures.