Lenovo ThinkPad Edge E520 User Manual

Whentheapplicationislaunched,selectadiagnostictesttorun.Ifthereisanyproblem,besidestheerror
messages,aguidancealsowillbedisplayedtoguideyoutoxtheproblem.
Foradditionalinformation,refertotheThinkVantageToolboxhelpsystem.
Note:Ifyouareunabletoisolateandrepairtheproblemyourselfafterrunningtheprogram,saveandprint
theloglescreatedbytheprogram.YouwillneedthelogleswhenyouspeaktoaLenovotechnical
supportrepresentative.
UsingtheLenovoSupportWebsite
IfyourcomputerhasneithertheLenovoSolutionCenterprogramnortheLenovoThinkVantageToolbox
programinstalled,gotohttp://www.lenovo.com/diagnoseforthelatestinformationondiagnosticsforyour
computer.
Note:Runninganytestmighttakeuptoseveralminutesorlonger.Makesurethatyouhavetimetorunthe
entiretest.Donotinterruptthetestwhileitisrunning.
Troubleshooting
Ifyourcomputerhasanerror,ittypicallydisplaysamessageoranerrorcode,orabeepsoundswhenyou
turniton.Tocorrectanerror,rstndthedescriptionoftheerrorintheleft-handcolumnofthechartthat
applies.Thenclickthatdescriptiontogetatroubleshootingprocedure.
Tomakesurethatyourcomputerhasthefeaturesoroptionsthatareintroducedinthefollowingsections,
consulttheonlinehelporthelistshippedwithyourcomputer.
Computerstopsresponding
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Ifyourcomputeriscompletelyunresponsive(youcannotusetheUltraNavpointingdeviceorthekeyboard),
dothefollowingsteps:
1.Pushandholdthepowerswitchuntilthemachineturnsoff.Afterthecomputeristurnedoff,restartby
pressingthepowerswitch.Ifthemachinedoesnotturnon,continuetostep2.
Note:Donotremovethebatteryandacpowertoresetthecomputer.
2.Whilethemachineisturnedoff,removeallpowersourcesfromthecomputer(batteryandacpower).
Holddownthepowerbuttonfor10seconds.Plugintheacpowerwhilekeepingthebatteryoutofthe
computer.Ifthecomputerdoesnotturnbackon,continuetostep3.
Note:OncethecomputerstartsupandentersWindows,usethepropershutdownproceduretoturn
thecomputeroff.Oncethemachineisoff,reattachthebatteryandrestartthecomputer.Ifthe
computerdoesnotstartwiththebatteryreattached,removethebatteryandagainstartwithstep2.If
thecomputerstartswithacpowerbutdoesnotstartwhenthebatteryisattached,calltheCustomer
SupportCenterforsupport.
3.Whilethemachineisoff,removeallsourcesofpowerfromthemachine(batteryandacpower).Remove
allexternaldevicesthatareattachedtoyourcomputer(keyboard,mouse,printer,scanner,etc.).Repeat
step2.Ifstep2isunsuccessful,continuetostep4.
Note:Thefollowingstepsinvolveremovingstaticsensitivecomponentsfromyourcomputer.Please
makesurethatyouareproperlygroundedandremoveallsourcesofpowerattachedtothecomputer.
IfyouareuncomfortableorunsureaboutremovingcomponentspleasecalltheCustomerSupport
Centerforassistance.
132UserGuide

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