Lenovo 2471, 2557, 3091, 3265, 3373, 3429, 3650, 3678, 4285, 5205, 5248, 800, 852, 870 Chapter6.Troubleshootinganddiagnosticprograms

Chapter6.Troubleshootinganddiagnosticprograms

Thischapterprovidesinformationaboutsomebasictroubleshootinganddiagnosticprograms.Ifyour

computerproblemisnotdescribedinthischapter,seeChapter7“Gettinginformation,help,andservice”on

page75foradditionaltroubleshootingresources.

Thischaptercontainsthefollowingtopics:

•“Basictroubleshooting”onpage71

•“Diagnosticprograms”onpage72

•“Cleaninganopticalmouse”onpage74

Basictroubleshooting

Thefollowingtableprovidessomebasicinformationtohelpyoutroubleshootyourcomputerproblems.

Note:Ifyoucannotsolvetheproblemafterdoingthebasictroubleshooting,havethecomputerserviced.

RefertotheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputerforthesafetyand

warrantyinformationandthelistofserviceandsupporttelephonenumbers.Y oucanalsogetthelatest

serviceandsupporttelephonenumbersfromtheLenovoSupportWebsiteat:

http://www.lenovo.com/support

SymptomAction

Thecomputerdoesnotstart

whenyoupressthepower

switch.

Verifythat:

•Thepowercordiscorrectlyconnectedtotherearofthecomputerandtoa

workingelectricaloutlet.

•Thepowerindicatoronthefrontofthecomputerison.

•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor

yourcountryorregion.

Themonitorscreenisblank.Verifythat:

•Thepowercordiscorrectlyconnectedtotherearofthecomputerandtoa

workingelectricaloutlet.

•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor

yourcountryorregion.

•Thebrightnessandcontrastcontrolsaresetcorrectly.

TheUSBkeyboardormouse

doesnotwork.

Verifythat:

•Thecomputeristurnedon.

•TheUSBkeyboardormouseiscorrectlyconnectedtooneoftheUSB

connectorsonthecomputer.

•FortheUSBkeyboard,nokeysarestuck.

•TheUSBmouseisclean.Referto“Cleaninganopticalmouse”onpage74.

71

©CopyrightLenovo,2011

Contents

Main Page Page Page Contents Importantsafetyinformation......v Chapter1.Productoverview......1 Chapter2.Installingorreplacing hardware...............15 Chapter3.Recoveryinformation...57 Chapter4.UsingtheSetupUtility program................63 Page Importantsafetyinformation Page Chapter1.Productoverview Features Page Chapter1.Productoverview Features Specications Page Softwareoverview SoftwareprovidedwithyourWindowsoperatingsystem SoftwareprovidedbyLenovo LenovoThinkVantageToolbox PC-DoctorforRescueandRecovery Locatingcomputercontrols,connectors,andparts Frontview Usingyourcomputerinmonitormode Rearview 10 Componentlocations Systemboardpartandconnectorlocations Page Page Chapter2.Installingorreplacinghardware Installingorreplacinghardware Installingexternaloptions Installingacomputerwallmount Removingthecomputercover Removingorreinstallingtheframestand Removingorreinstallingtheliftstand Page RemovingorreinstallingtherearI/Oassemblycover RemovingorreinstallingtheVESAframecover RemovingorreinstallingtheVESAframe Installingorreplacingamemorymodule Page Replacingthebattery Replacingtheharddiskdrive Page Page Replacingtheopticaldrive Replacingtheheatsink Page Page Replacingthemicroprocessor Page ReplacingtheWI-FIcard ReplacingtheBluetoothmodule Replacingthemulti-touchboard Replacingtheambientlightsensor Page ReplacingtheExpressCard Replacingtheinternalspeakers Replacingtheintegratedcamerawithmicrophone Replacingthemicroprocessorfanassembly Page Replacingthecardreader ReplacingtherearI/Oassembly ReplacingtherightI/Oassembly Replacingthepowersupply Page Replacingthekeyboard ReplacingthePS/2orUSBkeyboard Replacingthewirelesskeyboard Replacingthemouse ReplacingthePS/2orUSBmouse Replacingthewirelessmouse Completingthepartsreplacement Obtainingdevicedrivers Basicsecurityfeatures Integratedcablelock Passwordprot ection Erasinglostorforgottenpasswords(clearingCMOS) Page Page Chapter3.Recoveryinformation Creatingandusingrecoverymedia Creatingrecoverymedia Usingrecoverymedia Performingbackupandrecoveryoperations Performingabackupoperation Performingarecoveryoperation UsingtheRescueandRecoveryworkspace Creatingandusingarescuemedium Creatingarescuemedium Usingarescuemedium Installingorreinstallingdevicedrivers Solvingrecoveryproblems Chapter4.UsingtheSetupUtilityprogram StartingtheSetupUtilityprogram Viewingorchangingsettings Usingpasswords Passwordconsiderations Administratorpassword Power-onpassword Harddiskdrivepassword Setting,changing,ordeletingapassword Enablingordisablingadevice Selectingastartupdevice Selectingatemporarystartupdevice Viewingorchangingthestartupdevicesequence ExitingtheSetupUtilityprogram Chapter5.Updatingsystemprograms Usingsystemprograms Updating(ashing)theBIOSfromadisc Updating(ashing)theBIOSfromyouroperatingsystem RecoveringfromaPOS T/BIOSupdatefailure Page Page Chapter6.Troubleshootinganddiagnosticprograms Basictroubleshooting Diagnosticprograms LenovoThinkVantageT oolbox PC-DoctorforRescueandRecovery PC-DoctorforDOS Creatingadiagnosticdisc Runningthediagnosticprogramfromthediagnosticdisc Cleaninganopticalmouse Chapter7.Gettinginformation,help,andservice Informationresources OnlineBooksfolder LenovoThinkVantageT ools ThinkVantageProductivityCenter LenovoWelcome AccessHelp Safetyandwarranty LenovoWebsite(http://www.lenovo.com) Chapter7.Gettinginformation,help,andservice Informationresources OnlineBooksfolder LenovoThinkVantageT ools ThinkVantageProductivityCenter Usingotherservices Purchasingadditionalservices AppendixA.Notices Televisionoutputnotice EuropeanconformanceCEmark Trademarks Index A 81 B C L M 82 N O T U 83 V W