Updating(flashing)theBIOSfromyouroperatingsystem
Note:BecauseLenovomakesconstantimprovementstoitsWebsites,theWebpagecontentsaresubject
tochangewithoutnotice,includingthecontentsreferencedinthefollowingprocedure.
Toupdate(flash)theBIOSfromyouroperatingsystem,dothefollowing:
1.Gotohttp://www.lenovo.com/support.
2.ClickDownloadDrivers&Software.
3.ClickUseQuickPath.
4.Typethe4-digitmachinetypeforyourcomputerintheQuickPathfieldandthenclickFindMyProduct.
5.ClickBIOS.
6.LocatetheBIOSversionthatyouwanttodownload.
7.ClickClickforfiles.Allavailablefileswillbedisplayed.
8.Clickthelinkforthereadmefilethatcontainstheinstructionsforupdating(flashing)theBIOSfrom
youroperatingsystem.
9.Printtheseinstructions.Thisisveryimportantbecausetheseinstructionswillnotbedisplayedon
thescreenafterthedownloadbegins.
10.Followtheprintedinstructionstodownload,extract,andinstalltheupdate.
RecoveringfromaPOST/BIOSupdatefailure
IfthepowertoyourcomputerisinterruptedwhilethePOSTandBIOSisbeingupdated,yourcomputer
mightnotrestartcorrectly.Ifthishappens,performthefollowingproceduretorecoverfromthePOSTand
BIOSupdatefailure.ThisprocedureiscommonlycalledBoot-blockRecovery.
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputerstand.
4.Removethecomputercover.
5.Removethesystem-boardshield.
6.LocatetheClearCMOS/Recoveryjumperonthesystemboard.
7.Movethejumperfromthestandardposition(pin1andpin2)tothemaintenanceposition(pin2and
pin3).
8.Installthesystem-boardshield.
9.Installthecomputercover.
10.Installthecomputerstand.
11.Connecttheexternalcablesandthepowercordtothecomputer.
12.TurnonthecomputerandtheninsertthePOSTandBIOSupdate(flashupdate)discintotheoptical
drive.Waitafewminutes.Then,therecoverysessionbegins.Therecoverysessionwilltaketwoto
threeminutes.Duringthistime,awarningmessagewillbedisplayedandnoactionisneededfromyou.
13.Aftertherecoverysessioniscompleted,therewillbenovideo,andyourcomputerwillautomatically
turnoff.
14.Repeatstep1throughstep6.
15.MovetheClearCMOS/Recoveryjumperbacktothestandardposition(pin1andpin2).
16.Repeatstep8throughstep11.
17.Turnonthecomputertorestarttheoperatingsystem.
Chapter9.Additionalserviceinformation123
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