Lenovo Y400 Series Laptop User Manual


 
Lenovo Notebook Computer User Guide
60
your computer and disks and avoid magnetic detectors
(includingthearchlikemachineandhandhelddetectorsinthe
handsofsafetyinvestigators).
z Ifyoutravelwith yourcomputerabroad,gettoknowthepower
cordstandardinthedestinationcountrybeforeyougo.
4.1.6Donotchangethefactoryhardwarespecification
withoutauthorization
z Do not change the computer’s factory hardware specification,
includingremovingoriginalhardwareoraddingnewhardware,
withoutauthorityfromLenovolicensedagencies.
z Lenovohasno warrantyon theusability orreliability of any
devices or softw are that are not provided by Lenovo or its
affiliates.
4.2 Troubleshooting
4.2.1The computer does nothing when you press the
powerbutton.
Doasfollows:
z SeeiftheACadapteranditspowercordarewellconnectedto
thecomputerandpoweroutlet.
z Checkthebattery’spowerstatus(somebatteriesareequipped
withapowerselfcheckingbutton).Seeifthebatteryinterfaceis
damagedorifthepowercordplugisdamaged.
z Use the battery and AC power to power the computer
respectively.Turnthecomputerontoseeifthepowerindicator