Lenovo H520s - Selecting a startup device

OnboardAudioControllerSelectwhethertoenableordisabletheOnboardAudio
Controller,whenfeatureissettoDisabledalldevices
connectedtotheaudioconnectors(e.g.aheadphoneor
amicrophone)aredisabledandcan’tbeused.
OnboardEthernetControllerorLANBootAgentSelectwhethertoenableordisableOnboardEthernet
Controller,orselectwhethertoenableordisableload
onboardPXE(PrebootExecutionEnvironment),or
SMC(SecureManagedClient).Thisfeaturewillallow
thecomputertobootfromaserverimage.
Toenableordisableadevice,dothefollowing:
1.StarttheSetupUtilityprogram(see“StartingtheSetupUtilityprogram”onpage13).
2.FromtheSetupUtilityprogrammenu,selectDevices.
3.Select:
SerialPortSetuppresstheEnterkey,andthenselectSerialPortSetup.
USBSetuppresstheEnterkey,andthenselectUSBFunctions.
ATADeviceSetuppresstheEnterkey.SelectCongureSATAas,presstheEnterkeyandthen
selectSATAmode.
VideoSetuppresstheEnterkey,andthenselectVideoSetup.
AudioSetuppresstheEnterkey,andthenselectOnboardAudioController.
NetworkSetuppresstheEnterkey,thenselectOnboardEthernetSupportorLANBootAgent.
4.SelectDisabledorEnabledandpresstheEnterkey.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSavechangesandExitfromthemenu.
Note:Ifyoudonotwanttosavethesettings,selectDiscardchangesandExitfromthemenu.
Selectingastartupdevice
IfyourcomputerdoesnotbootfromadevicesuchastheCD/DVD-ROMdrivediskorharddiskasexpected,
followoneoftheproceduresbelow.
Selectingatemporarystartupdevice
Usethisproceduretostartupfromanybootdevice.
Note:NotallCDs,DVDsorharddiskdrivesarebootable.
1.Turnoffyourcomputer.
2.PressandholdtheF12keythenturnonthecomputer.WhentheStartupDeviceMenuappears,
releasetheF12key.
Note:IftheStartupDeviceMenudoesnotdisplayusingthesesteps,repeatedlypressandreleasethe
F12keyratherthankeepingitpressedwhenturningonthecomputer.
3.Use↑and↓arrowstoselectthedesiredstartupdevicefromtheStartupDeviceMenuandpress
theEnterkeytobegin.
Note:SelectingastartupdevicefromtheStartupDeviceMenudoesnotpermanentlychangethe
startupsequence.
Selectingorchangingthestartupdevicesequence
16LenovoH520sHardwareMaintenanceManual