Lenovo M90 Betriebsanweisung PDF herunterladen (Seite 48)

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.LocatetheClearCMOS/Recoveryjumperonthesystemboard.See“Locatingpartsonthesystem

board”onpage9.

4.RemoveanycablesthatimpedeaccesstotheClearCMOS/Recoveryjumper.

5.Movethejumperfromthestandardposition(pin1andpin2)tothemaintenanceposition(pin2andpin3).

6.Reconnectanycablesthatweredisconnected.

7.Closethecomputercoverandreconnectthepowercordsforthecomputerandmonitortoelectrical

outlets.See“Completingthepartsreplacement”onpage25.

8.TurnonthecomputerandtheninsertthePOSTandBIOSupdate(ashupdate)discintotheoptical

drive.Therecoverysessionbegins.Therecoverysessionwilltaketwotothreeminutes.Duringthis

time,youwillhearaseriesofbeeps.

9.Aftertherecoverysessioniscompleted,theseriesofbeepswillend,andthesystemwillautomatically

turnoff.Removethediscfromtheopticaldrivebeforethesystemcompletelyturnsoff.

10.Repeatstep1throughstep4.

11.MovetheClearCMOS/Recoveryjumperbacktothestandardposition(pin1andpin2).

12.Reconnectanycablesthatweredisconnected.

13.Closethecomputercoverandreconnectthepowercordsforthecomputerandmonitortoelectrical

outlets.See“Completingthepartsreplacement”onpage25

14.Turnonthecomputertorestarttheoperatingsystem.

40ThinkCentreUserGuide

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Lenovo M90 Betriebsanweisung Seite 48