TheSMCFirmwareUpdateaddressesbootissueswiththeMacBookProTheupdaterapplicationwillbeinstalledinthe/Applications/Utilitiesfolderandwilllaunchautomaticallyafterrestart.Pleasefollowtheinstructionsintheupdaterapplicationtocompletetheupdateprocess.Herearetheinstructionswithintheupdater,astheyappearfortheMacBookProUpdater:ToupdatetheSMCfirmwareonyourMacBookPro:1.Quitallotheropenapplications.2.ClickRestartintheMacBookProSMCFirmwareUpdatewindowandwaitforyourcomputertorestart.TheSMCfirmwareupdatestartsautomatically.Astatusbarindicatestheprogressoftheupdate.Duringtheupdateyourcomputerfanswillrunatfullspeed,butwillreturntonormaloncetheupdatecompletes.Important:Donotinterrupttheupdate.YourcomputerrestartsautomaticallywhentheupdateiscompletedandopenstheMacBookProSMCFirmwareUpdate.3.ClickOK.TheSMCfirmwareisnowup-to-date.Iftheseinstructionsappearonyourscreenagain,theSMCfirmwareupdatewasnotsuccessful.Repeatsteps2and3.FordetailedinformationonthisUpdate,pleasevisitthiswebsite:http:http://www.info.apple.com/kbnum/n303725REQUIREMENTSMacOSX10.4.6orlater,MacBookPro.