Toshiba Qosmio F50 Laptop User Manual


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2TroubleshootingProcedures
QOSMIOF50-QOSMIOF55-DYNABOOKQOSMIOF50SeriesMaintenanceManual
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2.6ExternalUSBDevicesTroubleshooting
Replacesystemboard
(Procedure2)
END
O riginalU SB
deviceisfaulty
Perform externaldeviceand
connectioncheck
(Procedure1)
START
D oesthedevicefunction
w henconnectedtoa
differentU SBport?
D oesanalternativeUSB
devicefunctioncorrectly?
CheckUSB
port
connection
Figure2-5ExternalUSBdevicetroubleshootingprocess
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