Toshiba PROL450D Manual Do Utilizador

Página de 227
2 Troubleshooting Procedures 
Satellite L450D/455D, Satellite pro L450D Series Maintenance Manual 
 
                                                                    
 28
 
2.10  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 2-9 Modem troubleshooting process