Lenovo ThinkPad Edge E430 - Updating Your System UEFI BIOS

•LoadSetupDefaults:Loadthedefaultsettingthatwasineffectatthetimeofpurchase.
EnableOSOptimizedDefaultstomeettheMicrosoftWindows8certicationrequirements.Whenyou
changethissetting,someothersettingsarechangedautomatically.TheaffectedsettingsareCSM
Support,UEFI/LegacyBoot,SecureBoot,andSecureRollBackPrevention.
•DiscardChanges:Discardthechanges.
•SaveChanges:Savethechanges.
UpdatingyoursystemUEFIBIOS
TheUniedExtensibleFirmwareInterface(UEFI)BIOSisapartofthesystemprogramsthatmakeupthe
basiclayerofsoftwarebuiltintoyourcomputer.TheUEFIBIOStranslatestheinstructionsfromother
softwarelayers.
YourcomputersystemboardhasamodulecalledEEPROM,alsoreferredtoasashmemory.Youcan
updatetheUEFIBIOSandtheThinkPadSetupprogrambystartingyourcomputerwithaashupdate
opticaldiscorashupdateprogramrunningintheWindowsenvironment.
Insomeinstanceswhenyouaddsoftware,hardware,oradevicedriver,youmightbeinformedthatyou
needtoupdateyourUEFIBIOSinorderforthenewadditiontoworkproperly.
ToupdateyourUEFIBIOS,gotothefollowingWebsiteandfollowtheinstructionsonthescreen:
http://www.lenovo.com/ThinkPadDrivers
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