Lenovo 1654, 1664, 1665, 1677, 1738, 1739, 1741, 1761, 1762, 1763, 1782, 1837, 1938, 1942, 1962 Adjustingthecomputerstand

ConnectorDescription

EthernetconnectorUsedtoattachanEthernetcableforalocalareanetwork(LAN).

Note:TooperatethecomputerwithinFCCClassBlimits,useaCategory5Ethernet

cable.

USBconnectorUsedtoattachadevicethatrequiresaUSBconnector,suchasaUSBkeyboard,a

USBmouse,aUSBscanner,oraUSBprinter.IfyouhavemorethansixUSB

devices,youcanpur chaseaUSBhub,whichyoucanusetoconnectadditional

USBdevices.

MicrophoneconnectorUsedtoattachamicrophonetoyourcomputerwhenyouwanttorecordsoundorif

youusespeech-recognitionsoftware.

DisplayPortoutconnectorUsedtoattachahigh-performancemonitor,adirect-drivemonitor,orotherdevices

thatuseaDisplayPortconnector .

SerialportUsedtoattachanext ernalmodem,aserialprinter ,orotherdevicesthatusea

9-pinserialport.

Adjustingthecomputerstand

Yourcomputercomeswithacomputerstandthatyoucanusetoadjustthecomputertoyourcomfortable

position.Pullthestandopenandadjustthepositionofthecomputeratananglebetween10°to32°

asshowninthefollowingillustration.

CAUTION:

Makesurethattheangleisatleast10°fromthevertical;otherwise,thecomputermightbeunstable

andfallover.

Figure3.Adjustingthecomputerstand

10ThinkCentreUserGuide

Contents

Main Page Contents Importantsafetyinformation.....iii Chapter1.Productoverview......1 Chapter2.Usingyourcomputer...13 Chapter3.Youandyourcomputer..21 Chapter7.UsingtheSetupUtility program................41 Chapter8.Updatingsystem programs...............45 ii Chapter9.Preventingproblems...47 Chapter10.Troubleshootingand diagnostics..............51 Importantsafetyinformation Serviceandupgrades Staticelectricityprevention Powercordsandpoweradapters Extensioncordsandrelateddevices Plugsandoutlets Externaldevices Heatandproductventilation Operatingenvironment Modemsafetyinformation Lasercompliancestatement Powersupplystatement Cleaningandmaintenance Page Chapter1.Productoverview Features Page Page Specications Softwareoverview Softwarepr ovidedbyLenovo LenovoThinkVantageTools LenovoWelcome FingerprintSoftware LenovoThinkVantageToolbox ProductRecovery AdobeReader Antivirussoftware Page Locatingconnectors,controls,andindicatorsonthefrontofyour computer Locatingconnectorsontherearofyourcomputer Adjustingthecomputerstand Page Page Chapter2.Usingyourcomputer Frequentlyaskedquestions Usingthekeyboard UsingWindowsshortcutkeys UsingtheblueThinkVantagebutton Usingangerprintreader Usingthewheelmouse Adjustingaudio Aboutyourcomputeraudio Settingthevolumefromthedesktop SettingthevolumefromControlPanel UsingCDsandDVDs HandlingandstoringCDandDVDmedia PlayingaCDorDVD RecordingaCDorDVD Usingthesingle-touchandmulti-touchfeature Colortemperatureadjustment Selectingapre-denedcolortemperature SwitchingtoRGBadjustment Makingbrightnessadjustment Page Page Chapter3.Youandyourcomputer Accessibilityandcomfort Arrangingyourworkspace Comfort Glareandlighting Aircirculation Electricaloutletsandcablelengths RegisteryourcomputerwithLenovo Movingyourcomputertoanothercountryorregion Voltage-selectionswitch Replacementpowercords Page Chapter4.Security Securityfeatures Attachinganintegratedcablelock Usingpasswords BIOSpasswords Windowspasswords Settingthengerprintreader Usingandunderstandingrewalls Protectingdataagainstviruses Page Chapter5.Installingorreplacinghardware Installingorreplacinghardware Installingexternaloptions Installingacomputerwallmount ReplacingtheUSBkeyboardormouse Replacingthewirelesskeyboard Replacingthewirelessmouse Page Obtainingdevicedrivers Chapter6.Recoveryinformation Creatingandusingrecoverymedia Creatingrecoverymedia Usingrecoverymedia Performingbackupandrecoveryoperations Performingabackupoperation Performingarecoveryoperation UsingtheRescueandRecoveryworkspace Creatingandusingarescuemedium Creatingarescuemedium Usingarescuemedium Reinstallingpreinstalledapplicationsanddevicedrivers Reinstallingsoftwareprograms Reinstallingdevicedrivers Solvingrecoveryproblems Page Page Chapter7.UsingtheSetupUtilityprogram StartingtheSetupUtilityprogram Viewingandchangingsettings Usingpasswords Passwordconsiderations Power-OnPassword AdministratorPassword HardDiskPassword Setting,changing,anddeletingapassword Enablingordisablingadevice Selectingastartupdevice Selectingatemporarystartupdevice Selectingorchangingthestartupdevicesequence ExitingfromtheSetupUtilityprogram Chapter8.Updatingsystemprograms Usingsystemprograms Updating(ashing)theBIOSfromadisc Updating(ashing)theBIOSfromyouroperatingsystem Chapter9.Preventingproblems Keepingyourcomputercurrent Gettingthelatestdevicedriversforyourcomputer Updatingyouroperatingsystem UsingSystemUpdate Cleaningandmaintenance Basics Cleaningyourcomputer Computer Keyboard Opticalmouse Displayscreen Goodmaintenancepractices Movingyourcomputer Chapter10.Troubleshootinganddiagnostics Basictroubleshooting Troubleshootingprocedure Troubleshooting Audioproblems NoaudioinWindows AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitis insertedintoadrive Soundcomesfromoneexternalspeakeronly NoaudioinDOSapplicationsorgames CDproblems AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitis insertedintoaCDdrive ACDorDVDdoesnotwork Unabletouseastartable(bootable)recoverymedium,suchastheProductRecovery CD,tostartyourcomputer DVDproblems BlackscreeninsteadofDVDvideo DVDmoviewillnotplay NoaudioorintermittentaudiowhileplayingDVDmovie Playbackisverysloworchoppy Invaliddiscornodiscfoundmessage Intermittentproblems Keyboard,mouse,orpointingdeviceproblems Allorsomekeysonthekeyboarddonotwork Themouseorpointingdevicedoesnotwork Thepointeronthescreendoesnotmovesmoothlywiththemouse Thengerprintreaderdoesnotwork Thewirelessk eyboarddoesnotwork Monitorproblems Wrongcharactersappearonthescreen Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiod ofcomputerinactivity Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustart someapplicationprograms Theimageappearstobeickering Networkingproblems Ethernetproblems Page AwirelessLANproblem AwirelessWANproblem Bluetoothproblems Optionproblems Anoptionthatwasjustinstalleddoesnotwork Anoptionthatpreviouslyworkeddoesnotworknow Performanceandlockupproblems Insufcientfreeharddiskdrivespace Excessivenumberoffragmentedles Printerproblems Serialportproblems Softwareproblems Whenusingasortfeature,datesdonotsortinthecorrectorder Softwaredoesnotworkasexpected USBproblems Diagnosticprograms LenovoThinkVantageToolbox PC-DoctorforDOS Creatingadiagnosticdisc Runningthediagnosticprogramfromadiagnosticdisc Chapter11.Gettinginformation,help,andservice Informationresources LenovoThinkVantageT ools LenovoWelcome HelpandSupport LenovoSupportWebsite Helpandservice Usingthedocumentationanddiagnosticprograms Callingforservice Usingotherservices Purchasingadditionalservices Page AppendixA.Notices Trademarks AppendixB.Regulatoryinformation Exportclassicationnotice Televisionoutputnotice Electronicemissionsnotices FederalCommunicationsCommissionDeclarationofConformity Page Additionalregulatoryinformation Page AppendixC.WEEEandrecyclinginformation ImportantinformationfortheEuropeanDirective2002/96/EC Recyclinginformation Page Index A B C D P R 82 S T