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2 Troubleshooting Procedures
Satellite L500 / Pro L500 Series Maintenance Manual 44
2.18 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 2-17 Modem troubleshooting process