32
TroubleshootingProcedures
QOSMIOF50-QOSMIOF55-DYNABOOKQOSMIOF50SeriesMaintenanceManual 
32

2.11 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2-10Modemtroubleshootingprocess