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Lenovo 804 Chapter6.Troubleshootinganddiagnosticprograms

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Chapter6.Troubleshootinganddiagnosticprograms

Thischapterprovidesinformationaboutsomebasictroubleshootinganddiagnosticprograms.Ifyour

computerproblemisnotdescribedinthischapter,seeChapter7“Gettinginformation,help,andservice”on

page63foradditionaltroubleshootingresources.

Thischaptercontainsthefollowingtopics:

•“Basictroubleshooting”onpage59

•“Diagnosticprograms”onpage60

•“Cleaninganopticalmouse”onpage61

Basictroubleshooting

Thefollowingtableprovidessomebasicinformationtohelpyoutroubleshootyourcomputerproblems.

Note:Ifyoucannotsolvetheproblemafterdoingthebasictroubleshooting,havethecomputerserviced.

RefertotheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputerforthesafetyand

warrantyinformationandthelistofserviceandsupporttelephonenumbers.Youcanalsogetthelatest

serviceandsupporttelephonenumbersandaPDFversionoftheThinkCentreSafetyandWarrantyGuide

fromtheLenovoSupportWebsiteat:

http://support.lenovo.com

SymptomAction

Thecomputerdoesnotstart

whenyoupressthepower

switch.

Verifythat:

•Thepowercordiscorrectlyconnectedtotherearofthecomputerandtoa

workingelectricaloutlet.

•Thepowerindicatoronthefrontofthecomputerison.

•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor

yourcountryorregion.

Themonitorscreenisblank.Verifythat:

•Themonitorsignalcableiscorrectlyconnectedtothemonitorandtothe

appropriatemonitorconnectoronthecomputer.IfyourcomputerhasaPCI

graphicscardinstalled,besuretousethemonitorconnectoronthegraphics

cardratherthantheintegratedoneonthesystemboard.

•Themonitorpowercordiscorrectlyconnectedtothemonitorandtoaworking

electricaloutlet.

•Themonitoristurnedonandthebrightnessandcontrastcontrolsareset

correctly.

•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor

yourcountryorregion.

TheUSBkeyboardormouse

doesnotwork.

Verifythat:

•Thecomputeristurnedon.

•TheUSBkeyboardormouseiscorrectlyconnectedtooneoftheUSB

connectorsonthecomputer.

•FortheUSBkeyboard,nokeysarestuck.

•TheUSBmouseisclean.Referto“Cleaninganopticalmouse”onpage61.

©CopyrightLenovo2010,201159

Contents

Main Page Contents Importantsafetyinformation.....iii Chapter1.Productoverview......1 Chapter2.Installingorreplacing hardware...............11 Chapter3.Recoveryinformation...45 Chapter4.UsingtheSetupUtility program................51 AppendixA.Notices..........69 Index..................73 ii Importantsafetyinformation Page Chapter1.Productoverview Features Page Specications Softwareoverview SoftwareprovidedwithyourWindowsoperatingsystem SoftwareprovidedbyLenovo LenovoThinkVantageToolbox PC-DoctorforRescueandRecovery AdobeReader Antivirussoftware Locations Locatingconnectors,controls,andindicatorsonthefrontofyour computer Locatingconnectorsandpartsontherearofyourcomputer Locatingcomponents Locatingpartsonthesystemboard Locatinginternaldrives Page Chapter2.Installingorreplacinghardware Handlingstatic-sensitivedevices Installingorreplacinghardware Installingexternaloptions Removingthecomputercover Removingandreinstallingthefrontbezel Accessingthesystemboardcomponentsanddrives InstallingorreplacingaPCIcard Page Page Installingorreplacingamemorymodule Page Replacingthebattery Replacingtheheatsinkandfanassembly Page Page Replacingthemicroprocessor Page Page Replacingthepowersupplyassembly Page Page Page Replacingtheopticaldrive Page Page Replacingtheharddiskdrive Page Page Replacingthefrontfanassembly Page ReplacingtheUSBkeyboardormouse Completingthepartsreplacement Obtainingdevicedrivers Basicsecurityfeatures Integratedcablelock Padlock Passwordprotection Erasingalostorforgottenpassword(clearingCMOS) Page Chapter3.Recoveryinformation Creatingandusingrecoverymedia Creatingrecoverymedia Usingrecoverymedia Performingbackupandrecoveryoperations Performingabackupoperation Performingarecoveryoperation UsingtheRescueandRecoveryworkspace Creatingandusingarescuemedium Creatingarescuemedium Usingarescuemedium Installingorreinstallingdevicedrivers Solvingrecoveryproblems Chapter4.UsingtheSetupUtilityprogram StartingtheSetupUtilityprogram Viewingorchangingsettings Usingpasswords Passwordconsiderations Power-onpassword Administratorpassword Setting,changing,ordeletingapassword Enablingordisablingadevice Selectingastartupdevice Selectingatemporarystartupdevice Viewingorchangingthestartupdevicesequence ExitingtheSetupUtilityprogram Chapter5.Updatingsystemprograms Usingsystemprograms Updating(ashing)theBIOSfromadisc Updating(ashing)theBIOSfromyouroperatingsystem RecoveringfromaPOSTandBIOSupdatefailure Page Page Chapter6.Troubleshootinganddiagnosticprograms Basictroubleshooting Diagnosticprograms LenovoThinkVantageT oolbox PC-DoctorforRescueandRecovery PC-DoctorforDOS Creatingadiagnosticdisc Runningthediagnosticprogramfromthediagnosticdisc Cleaninganopticalmouse Page Chapter7.Gettinginformation,help,andservice Informationresources OnlineBooksfolder LenovoThinkVantageT ools ThinkVantageProductivityCenter LenovoWelcome AccessHelp Safetyandwarranty LenovoWebsite(http://www.lenovo.com) LenovoSupportWebsite Helpandservice Usingthedocumentationanddiagnosticprograms Callingforservice Usingotherservices Purchasingadditionalservices Page AppendixA.Notices Televisionoutputnotice EuropeanconformanceCEmark Trademarks Additionalregulatoryinformation RecyclinginformationforBrazil BatteryrecyclinginformationforT aiwan Batteryr ecyclinginformationfortheEuropeanUnion Page Index A B C D K L 74 M N T U V W