Modem Troubleshooting - Toshiba Qosmio F50 Maintenance Manual

Troubleshooting Procedures
32

2.11 Modem Troubleshooting

Perform connection check
QOSMIO F50- QOSMIO F55- DYNABOOK QOSMIO F50 Series Maintenance Manual
START
Perform telephone line
connection check
(Procedure 1)
Computer unable to
detect telephone signal?
No
(Procedure 2)
Perform replacement
check
(Procedure 3)
Replace system board
END
Figure 2-10 Modem troubleshooting process
Check / replace
telephone line and
Yes
connections
32