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Lenovo Y400 Series Laptop User Manual

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Lenovo Notebook Computer User Guide

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4.2.5Aperipheraldeviceoranelectronicdevicecannot

workwhenitisconnectedtothecomputer.

z See if the cable between the device and the computer is well

connected.

z Seeifthedeviceisturnedonandinanormalworkingstatus.

z Read the user guide of the device and configure it and your

computerincompliancewiththerequirementsintheguide.

z Seeifthecomputerportconnectedwiththeelectronicdeviceis

disabledinBIOS.

z See if the port configuration and electric standard meets the

requirementsofthedeviceoriscompatiblewithit.

z See ifthedevicecan work normallywhen itisconnected with

otherportablecomputers.

z See ifthe deviceof othermodel canwork normally whenit is

connected with you portable computer. If the methods above

mentioned do not work, contact Lenovo licensed service

agencies.

4.2.6Youcannotdial‐upwiththecomputer.

z SeeifthetelephonelineiswellconnectedtotheModemporton

thecomputer.

z Seeifyouhavehungupyourtelephoneandextensions.

z IfyouareusingISDN,seeiftheISDNdevicesareworkingwell.

z Seeifyourtelephonelineisworkingwellandcandialanoutside

number.

z Ifyouareusinganextensionlineinahotelorotherplaces,seeif

itsupportsdial‐upInternetaccessservice.

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