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2 Troubleshooting Procedures 2.12 Modem Troubleshooting
2-30 [CONFIDENTIAL] Satellite M40X/M45X/Satellite Pro M40X/EQUIUM M40X Series Maintenance Manual
2.12 Modem Troubleshooting
START
Computer unable to
detect telephone signal?
END
Perform connection check
(Procedure 2)
Perform replacement
check
(Procedure 3)
Perform telephone line
connection check
(Procedure 1)
Check / replace
telephone line and
connections
Yes
Replace system board
No
Figure 2-11 Modem troubleshooting process