2 Troubleshooting Procedures

2.10 Modem Troubleshooting

START

Perform telephone line

connection check

(Procedure 1)

Computer unable to

 

 

 

 

 

Check / replace

 

 

Yes

 

 

telephone line and

detect telephone signal?

 

 

 

 

 

 

 

 

 

connections

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Perform connection check

 

 

 

 

 

 

 

(Procedure 2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Perform replacement

check

(Procedure 3)

Replace system board

END

Figure 2-9 Modem troubleshooting process

Satellite L450D/455D, Satellite pro L450D Series Maintenance Manual

28

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Image 62
Toshiba PROL450D manual Modem Troubleshooting, Start