3.Selectthedisplayyouwanttocongure.Followtheinstructionsonthescreentochangethedisplay
settings.
Usinganexternaldisplay
Ifanexternalmonitorisconnectedt oyourcomputer,youcanswitchthedisplayofyourcomputeroutput
betweenthecomputerdisplayandtheext ernalmonitor .Youalsocandisplaythesameoutputonbothor
displaydifferentoutputoneach.
Note:Ifyouattachanexternalmonitor,avideointerfacecablewithaferritecoreinstalledonthecable
isrequired.
Touseanexternalmonitor,dothefollowing:
1.ConnecttheexternalmonitortoyourcomputerthroughtheVGAconnector,theMiniDisplayPort
connector,ortheHDMIconnector.Connecttheexternalmonitortoanelectricaloutlet.
Note:IfthemonitorconnectorisnotcompatiblewiththeMiniDisplayPortconnectorortheHDMI
connectoronyourcomputer,youcanuseaconvertcabletoestablishtheconnection.Convertcables
areavailableasoptionsfromLenovoathttp://www.lenovo.com/accessories/services/index.html.
2.Turnontheexternalmonitor.
3.ChangethedisplayoutputlocationbypressingF7.Thisenablesyoutoviewoutputontheexternal
monitor,thecomputerdisplay,orbothmonitors.
Note:Ifyourcomputercannotdetecttheexternalmonitor,right-clickonthedesktop,thenselectScreen
resolution.ClicktheDetectbutton.
Yourcomputersupportsamaximumvideoresolutionofupto2560x1600,providedthattheexternal
monitoralsosupportsthatresolution.Formoredetails,refertothemanualsprovidedwithyourmonit or.Y ou
cansetanyresolutionforeitherthecomputerdisplayortheexternalmonitor.Whenyouusebothatthe
sametime,theresolutionofbothisthesame.Ifyousetahigherresolutionforthecomputerdisplay,you
canseeonlypartofthescreenatatime.Y oucanseeotherpartsbymovingtheimagewiththeTrackPoint
pointingdeviceoranotherpointingdevice.
Considerationsforusingane xternalmonitor
•Wheninstallinganoperatingsystem,youmustinstallthedisplaydriverforyourmonitorthatissupplied
withthecomputer,andthemonitorINFlethatissuppliedwiththeexternalmonitor.
•Ifyousetaresolutionhigherthantheresolutionyouareusingonthecomputermonitor,andusean
externalmonit orthatdoesnotsupportthatresolution,takeadvantageofthevirtualscreenfunction,
whichenablesyoutodisplayonlyapartofthehigh-resolutionscreenimageyourcomputerproduces.
YoucanseeotherpartsoftheimagebymovingthescreenwiththeTrackPointpointingdeviceoranother
pointingdevice.
•Ifthee xternalmonitoryouareusingisoutdated,ther esolutionandtherefreshratemightbelimited.
•IfyouwanttoshowDOSfull-screenwhileintheExt endmode,onlythemaindisplayshowsDOS;the
otherdisplayisblackedout.
•IfyouareusingtheExtendmode,whenanapplicationusingDirectDraworDir ect3Displayedin
full-screenmode,itisshownonlyonthemaindisplay.
Settingthemaindisplay
IfyourcomputerhastheIntel®graphicscard,youcandesignatetheotherdisplayasthemaindisplay
bydoingthefollowing:
1.Right-clickonyourdesktop,andthenclickScreenresolution.
2.Selectthedisplaywhichyouwanttosetasmain.ThenselecttheMakethismymaindisplaycheck
box.
Chapter2.Usingyourcomputer29