Lenovo B570e Notebook Bedienungsanleitung PDF herunterladen (Seite 29)

Usingpasswords

Usingpasswordshelpspreventyourcomputerfrombeingusedbyothers.Onceyousetapasswordand

enableit,apromptappearsonthescreeneachtimeyoupoweronthecomputer.Enteryourpasswordatthe

prompt.Thecomputercannotbeusedunlessyouenterthecorrectpassword.

Note:Thispasswordcanbefromonetosevenalphanumericcharactersinanycombination.

Formoreinformationabouthowtosetthepassword,refertotheonlinehelpinformationsystemonthe

rightscreenoftheBIOS.

Note:ToentertheBIOS,pressF2whentheLenovologoappearsonthescreenwhilethecomputeris

startingup.

UsingtheNVIDIAOptimusGraphicsfeature

SomeLenovonotebookcomputerssupportNVIDIAOptimusGraphics.

NVIDIAOptimusGraphicsenablesadynamicswitch,thatis,aswitchwithnoneedtorestartyourcomputer

betweenHighPerformanceandEnergySaving.

SwitchingtheGraphicsProcessingUnit

IfyourcomputersupportsNVIDIAOptimusGraphics,theGraphicsProcessingUnitisswitchedautomatically

dependingonthepowersettingsyouuse.

Note:SomeLenovoB470emodelsareconguredwiththeNVIDIAGeForce405Mgraphicsprocessor.

BecauseofthesubtledesignchangebetweenNVIDIAGeForce405MandNVIDIAGeForce315M,some

third-partyapplicationsmightdetectGeForce405MasGeForce315M.Toknowtheactualgraphics

processorcongurationonyourmodel,viewthecongurationinformationinWindowsDeviceManager.

Chapter2.Learningthebasics15

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Lenovo B570e Notebook Bedienungsanleitung Seite 29