Lenovo THINKCENTRE 2491 Manuale Utente Scaricare il pdf (Pagina 186)

3.Levels1and2Support

Toupdate(ash)theBIOS,see“Updating(ashing)theBIOSfromadisc”onpage180.

Updating(ashing)theBIOSfromadisc

Thissectionprovidesinstructionsonhowtoupdate(ash)theBIOSfromadisc.

Note:Youcandownloadaself-startingbootablediscimage(knownasanISOimage)withthesystem

programupdatestocreateasystem-program-updatedisc.Goto:

http://www.lenovo.com/support

Toupdate(ash)theBIOSfromadisc,dothefollowing:

1.Turnoffyourcomputer.

2.RepeatedlypressandreleasetheF12keywhenturningonthecomputer.WhentheStartupDevice

Menuopens,releasetheF12key.

3.OntheStartupDeviceMenu,selectthedesiredopticaldriveasthestartupdevice.Then,insertthe

discintothisopticaldriveandpressEnter.Theupdatebegins.

4.Whenpromptedtochangetheserialnumber,itissuggestedthatyoudonotmakethischangeby

pressingN.However,ifyoudowanttochangetheserialnumber,pressY,thentypeintheserialnumber

andpressEnter.

5.Whenpromptedtochangethemachinetypeandmodel,itissuggestedthatyoudonotmakethis

changebypressingN.However,ifyoudowanttochangethemachinetypeandmodel,pressY,then

typeinthemachinetypeandmodelandpressEnter.

6.Followtheinstructionsonthescreentocompletetheupdate.Aftertheupdateiscompleted,removethe

discfromtheopticaldrive.

Updating(ashing)theBIOSfromyouroperatingsystem

Note:BecauseLenovomakesconstantimprovementstoitsWebsites,theWebpagecontentsaresubject

tochangewithoutnotice,includingthecontentsreferencedinthefollowingprocedure.

Toupdate(ash)theBIOSfromyouroperatingsystem,dothefollowing:

1.Gotohttp://www.lenovo.com/support.

2.Dothefollowingtolocatethedownloadablelesforyourmachinetype:

a.ClickDownload&Drivers.

b.Intheleftpane,clickDownloadsanddrivers.

c.FromtheBranddrop-downlistbox,selectDesktops.

d.FromtheFamilydrop-downlistbox,selectthefamilyname.

e.ClickContinue.

f.FromtheReneresultsdrop-downlistbox,selectBIOS.

g.ClicktheBIOSupdatelink.

3.ClicktheTXTlethatcontainstheinstructionsforupdating(ashing)theBIOSfromyouroperating

system.

4.Printtheseinstructions.Thisisveryimportantbecausetheseinstructionswillnotbedisplayedon

thescreenafterthedownloadbegins.

5.Followtheprintedinstructionstodownload,extract,andinstalltheupdate.

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Lenovo THINKCENTRE 2491 Manuale Utente Pagina 186