Personal Computer User Manual

Updating(ashing)theBIOSfromyouroperatingsystem
Note:BecauseLenovomakesconstantimprovementstoitsWebsites,theWebpagecontentsaresubject
tochangewithoutnotice,includingthecontentsreferencedinthefollowingprocedure.
Toupdate(ash)theBIOSfromyouroperatingsystem,dothefollowing:
1.Gotohttp://www.lenovo.com/support.
2.Dothefollowingtolocatethedownloadablelesforyourmachinetype:
a.IntheEnteraproductnumbereld,typeyourmachinetypeandclickGo.
b.ClickDownloadsanddrivers.
c.SelectBIOSfromtheReneresultsdrop-downlistboxtoeasilylocatealltheBIOSrelatedlinks.
d.ClicktheBIOSupdatelink.
3.ClicktheTXTlethatcontainstheinstructionsforupdating(ashing)theBIOSfromyouroperating
system.
4.Printtheseinstructions.Thisisveryimportantbecausetheseinstructionswillnotbedisplayedon
thescreenafterthedownloadbegins.
5.Followtheprintedinstructionstodownload,extract,andinstalltheupdate.
RecoveringfromaPOST/BIOSupdatefailure
IfthepowertoyourcomputerisinterruptedwhilethePOSTandBIOSisbeingupdated,yourcomputer
mightnotrestartcorrectly.Ifthishappens,performthefollowingproceduretorecoverfromthePOSTand
BIOSupdatefailure.ThisprocedureiscommonlycalledBoot-blockRecovery.
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Openthecomputercover.See“Openingthecomputercover”onpage12.
3.Accessthesystemboard.See“Accessingthesystemboardcomponentsanddrives”onpage12.
4.LocatetheClearCMOS/Recoveryjumperonthesystemboard.See“Locatingpartsonthesystem
board”onpage9.
5.RemoveanycablesthatimpedeaccesstotheClearCMOS/Recoveryjumper.
6.Movethejumperfromthestandardposition(pin1andpin2)tothemaintenanceposition(pin2andpin3).
7.Reconnectanycablesthatweredisconnectedandreinstalltheharddiskdriveifremoved.
8.Closethecomputercoverandreconnectthepowercordsforthecomputerandmonitortoelectrical
outlets.See“Completingthepartsreplacement”onpage32
.
9.TurnonthecomputerandtheninsertthePOSTandBIOSupdate(ashupdate)discintotheoptical
drive.Therecoverysessionbegins.Therecoverysessionwilltaketwotothreeminutes.Duringthis
time,youwillhearaseriesofbeeps.
10.Aftertherecoverysessioniscompleted,theseriesofbeepswillend,andthesystemwillautomatically
turnoff.Removethediscfromtheopticaldrivebeforethesystemcompletelyturnsoff.
11.Repeatstep1throughstep4.
12.MovetheClearCMOS/Recoveryjumperbacktothestandardposition(pin1andpin2).
13.Reconnectanycablesthatweredisconnectedandreinstalltheharddiskdriveifremoved.
14.Closethecomputercoverandreconnectthepowercordsforthecomputerandmonitortoelectrical
outlets.See“Completingthepartsreplacement”onpage32.
15.Turnonthecomputertorestarttheoperatingsystem.
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