Lenovo H515s Desktop Manuel d'utilisateur télécharger pdf (Page 19)

Chapter5.UsingtheSetupUtility

TheSetupUtilityprogramisusedtoviewandchangethecongurationsettingsofyourcomputer,regardless

ofwhichoperatingsystemyouareusing.However,theoperating-systemsettingsmightoverrideanysimilar

settingsintheSetupUtilityprogram.

StartingtheLenovoBIOSSetupUtilityprogram

TostarttheLenovoBIOSSetupUtilityprogram,dothefollowing:

1.Ifyourcomputerisalreadyonwhenyoustartthisprocedure,shutdowntheoperatingsystemand

turnoffthecomputer.

2.PressandholdtheF1keythenturnonthecomputer.WhentheLenovoBIOSSetupUtilityprogramis

displayed,releasetheF1key.

Note:IfaPower-OnPasswordoranAdministratorPasswordhasbeenset,theSetupUtilityprogrammenu

isnotdisplayeduntilyoutypeyourpassword.Formoreinformation,see“Usingpasswords.”

Viewingandchangingsettings

SystemcongurationoptionsarelistedintheLenovoBIOSSetupUtilityprogrammenu.Tovieworchange

settings,see“StartingtheSetupUtilityprogram.”

YoumustusethekeyboardwhenusingtheLenovoBIOSSetupUtilitymenu.Thekeysusedtoperform

varioustasksaredisplayedonthebottomofeachscreen.

Usingpasswords

YoucanusetheLenovoBIOSSetupUtilityprogramtosetpasswordstopreventunauthorizedpersons

fromgainingaccesstoyourcomputeranddata.See“StartingtheSetupUtilityprogram.”Thefollowing

typesofpasswordsareavailable:

•AdministratorPassword

•Power-OnPassword

Youdonothavetosetanypasswordstouseyourcomputer.However,ifyoudecidetosetpasswords,read

thefollowingsections.

Passwordconsiderations

Apasswordcanbeanycombinationoflettersandnumbersupto16character(a-z,and0-9).Forsecurity

reasons,itisagoodideatouseastrongpasswordthatcannotbeeasilycompromised.Wesuggestthat

passwordsshouldfollowtheserules:

•Strongpasswordscontain7-16characters,combinelettersandnumbers.

•Donotuseyournameoryourusername.

•Donotuseacommonwordoracommonname.

•Besignicantlydifferentfromyourpreviouspassword.

Attention:AdministratorandPower-Onpasswordsarenotcasesensitive

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Lenovo H515s Desktop Manuel d'utilisateur Page 19