Lenovo THINKPAD L520 - External Monitor Problems

messages,calltheCustomerSupportCenterwiththecodesormessagesandthecomputerinfrontof
you.Atechnicianwillassistyoufurther.
14.Ifrequired,youcanndyourcountry'sCustomerSupportCenteratthefollowingWebaddress:
http://www.lenovo.com/support/site.wss/document.do?sitestyle=lenovo&lndocid=migr-4hwse3.When
callingtheCustomerSupportCenter,pleasemakesureyouhaveyourmachinemodeltype,serial
numberandthecomputerinfrontofyou.Also,ifthemachineisproducingerrorcodes,itishelpfulto
havetheerrorscreenonorthemessagewrittendown.
Makingsuredevicedriversarecurrent
Devicedriversareprogramsthatcontaininstructionsfortheoperatingsystemabouthowtooperateor
“drive”acertainpieceofhardware.Eachhardwarecomponentonyourcomputerhasitsownspecicdriver.
Ifyouaddanewcomponent,theoperatingsystemneedstobeinstructedonhowtooperatethatpiece
ofhardware.Afteryouinstallthedriver,theoperatingsystemcanrecognizethehardwarecomponent
andunderstandhowtouseit.
Note:Becausedriversareprograms,likeanyotherleonyourcomputer,theyaresusceptibletocorruption
andmightnotperformproperlyifcorruptionoccurs.
Itisnotalwaysnecessarytodownloadthelatestdrivers.However,youshoulddownloadthelatestdriver
foracomponentifyounoticepoorperformancefromthatcomponentorifyouaddedanewcomponent.
Thismayeliminatethedriverasthepotentialcauseoftheproblem.
GettingthelatestdriversfromtheWebsite
YoucandownloadandinstallupdateddevicedriversfromtheLenovoWebsitebydoingthefollowing:
1.ConnecttotheInternet.
2.Gotohttp://www.lenovo.com/support/site.wss/document.do?sitestyle=lenovo&lndocid=tpad-matrix.
3.EntertheproductnumberofthecomputerorclickDetectmysystemonthescreen.
4.ClickDownloadsanddrivers.
5.Followthedirectionsonthescreenandinstallthenecessarysoftware.
GettingthelatestdriversusingThinkVantageSystemUpdate
TheSystemUpdateprogramhelpsyoukeepthesoftwareonyoursystemup-to-date.Updatepackagesare
storedonLenovoserversandcanbedownloadedfromtheLenovoSupportWebsite.Updatepackagescan
containapplications,devicedrivers,BIOSashes,orsoftwareupdates.WhentheSystemUpdateprogram
connectstotheLenovoSupportWebsite,theSystemUpdateprogramautomaticallyrecognizesthe
machinetypeandmodelofyourcomputer,theinstalledoperatingsystem,andthelanguageoftheoperating
systemtodeterminewhatupdatesareavailableforyourcomputer.TheSystemUpdateprogramthen
displaysalistofupdatepackagesandcategorizeseachupdateascritical,recommended,andoptionalto
helpyouunderstandtheimportance.Youhavecompletecontrolofwhichupdatestodownloadandinstall.
Afteryouselecttheupdatepackagesyouwant,theSystemUpdateprogramautomaticallydownloadsand
installstheupdateswithoutanyfurtherinterventionfromyou.
TheSystemUpdateprogramispreinstalledonyourcomputerandisreadytorun.Theonlyprerequisiteis
anactiveInternetconnection.Youcanstarttheprogrammanually,oryoucanusetheschedulefeature
toenabletheprogramtosearchforupdatesautomaticallyatspeciedintervals.Youalsocanpredene
scheduledupdatestosearchbyseverity(criticalupdates,criticalandrecommendedupdates,orallupdates)
sothelistyouchoosefromcontainsonlythoseupdatetypesthatareofinteresttoyou.
FormoreinformationabouthowtousetheThinkVantageSystemUpdate,refertoThinkVantageSystem
Update.
152UserGuide