Troubleshooting Procedures
2.11 Modem Troubleshooting
To check if modem 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 Modem test in the LAN/Modem/Bluetooth/IEEE1394 test 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
MDC (Modem Daughter Card) is used as the modem for this computer. MDC is connected to system board by connector (CN1&CN28). And also, MDC is connected to system board by modem cable (MJ2&CN14). If modem malfunctions, the connection of cable, board and 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. If the problem still occurs, perform Check 2.
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