Toshiba 960-498 Manual Do Utilizador

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2  Troubleshooting Procedures 
2.11  Modem Troubleshooting 
2.11 Modem Troubleshooting 
To check if the modem is defective or malfunctioning, 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 the Modem Test in the Diagnostic Program. Refer to Chapter 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 Replacement Check 
An MDC (Modem Daughter Card) is used as the modem for this computer. The MDC is 
connected to the SD board which is connected to the system board. If the modem 
malfunctions, these connections or boards may be bad or the MDC might 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. If 
there is still an error, perform Check 2. 
Check 2  The Modem jack (RJ11) may be faulty. Replace it with a new one. If the problem 
still occurs, perform Check 3. 
Check 3  The MDC may be faulty. Replace it with a new one following the steps in Chapter 
4. If the problem still occurs, perform Check 4. 
Check 4  The SD board may be faulty. Replace it with a new one following the instructions 
in Chapter 4. If the problem still occurs, perform Check 5. 
QOSMIO F10  Maintenance Manual (960-498) 
 
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