Lenovo ThinkPad Edge E520 User Manual

14.Ifrequired,youcanndyourcountry'sCustomerSupportCenterat:
http://www.lenovo.com/support/phone.WhencallingtheCustomerSupportCenter,pleasemakesure
youhaveyourmachinemodeltype,serialnumberandthecomputerinfrontofyou.Also,ifthemachine
isproducingerrorcodes,itishelpfultohavetheerrorscreenonorthemessagewrittendown.
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.Goto:
http://www.lenovo.com/ThinkPadDrivers
3.Findyourcomputerentryandclickit.
4.Followthedirectionsonthescreenandinstallthenecessarysoftware.
GettingthelatestdriversusingSystemUpdate
TheSystemUpdateprogramhelpsyoukeepthesoftwareonyoursystemup-to-date.Updatepackagesare
storedonLenovoserversandcanbedownloadedfromtheLenovoSupportWebsite.Updatepackagescan
containapplications,devicedrivers,UEFIBIOSashes,orsoftwareupdates.WhentheSystemUpdate
programconnectstotheLenovoSupportWebsite,theSystemUpdateprogramautomaticallyrecognizes
themachinetypeandmodelofyourcomputer,theinstalledoperatingsystem,andthelanguageofthe
operatingsystemtodeterminewhatupdatesareavailableforyourcomputer.TheSystemUpdateprogram
thendisplaysalistofupdatepackagesandcategorizeseachupdateascritical,recommended,and
optionaltohelpyouunderstandtheimportance.Youhavecompletecontrolofwhichupdatestodownload
andinstall.Afteryouselecttheupdatepackagesyouwant,theSystemUpdateprogramautomatically
downloadsandinstallstheupdateswithoutanyfurtherinterventionfromyou.
TheSystemUpdateprogramispreinstalledonyourcomputerandisreadytorun.Theonlyprerequisiteis
anactiveInternetconnection.Youcanstarttheprogrammanually,oryoucanusetheschedulefeature
toenabletheprogramtosearchforupdatesautomaticallyatspeciedintervals.Youalsocanpredene
scheduledupdatestosearchbyseverity(criticalupdates,criticalandrecommendedupdates,orallupdates)
sothelistyouchoosefromcontainsonlythoseupdatetypesthatareofinteresttoyou.
FormoreinformationabouthowtousetheSystemUpdate,referto“SystemUpdate”onpage24
.
126UserGuide

Lenovo ThinkPad Edge E520 Specifications

General

Memory slots	2x SO-DIMM
Internal memory	4 GB
Memory clock speed	1333 MHz
HDD speed	5400 RPM
HDD interface	SATA
Processor cache	3 MB
Display diagonal	15.6 \
Display resolution	1366 x 768 pixels
AC adapter power	65 W
Operating system installed	Windows 7 Professional
Infrared data port	No
Speaker power	1 W