Lenovo 2491, 266, 384, 4168, 5027, 5067, 7516, 7519 Locatingconnectorsontherearofyourcomputer

Locatingconnectorsontherearofyourcomputer

Figure2“Rearconnectorlocations”onpage70showsthelocationsoftheconnectorsontherearofyour

computer.Someconnectorsontherearofyourcomputerarecolor-codedtohelpyoudeterminewhereto

connectthecablesonyourcomputer.

Figure2.Rearconnectorlocations

1VGAmonitorconnector8Cover-releasebutton

2USBconnectors(USBports5to8)9PCIcardslot

3Ethernetconnector10Audioline-outconnector

4Audioline-inconnector11Microphoneconnector

5PS/2keyboardandmouseconnect ors

(optional)

12USBconnectors(USBports3and4)

6Serialport(optional)13DisplayPortconnector

7Integratedcablelockslot14acpoweradapterconnector

70ThinkCentreHardwareMaintenanceManual

Contents

Main Page Page Page Contents Chapter1.Aboutthismanual......1 Chapter2.Safetyinformation......3 Chapter3.Generalinformation....29 Chapter4.Generalcheckout.....33 Chapter10.Additionalservice information.............179 AppendixA.Notices.........183 iv Index.................185 Chapter1.Aboutthismanual Importantsafetyinformation ImportantinformationaboutreplacingRoHScompliantFRUs Page Chapter2.Safetyinformation Generalsafety Electricalsafety Page Voltage-selectionswitch Safetyinspectionguide Handlingelectrostaticdischarge-sensitivedevices Groundingrequirements Safetynotices(multi-lingualtranslations) Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Chapter3.Generalinformation LenovoWelcome LenovoThinkVantageT ools LenovoThinkVantageT oolbox ThinkVantageProductivityCenter Additionalinformationresources Specications Thissectionliststhephysicalspecicationsforyourcomputer. Page Chapter4.Generalcheckout Checkingforpowerproblems Problemdeterminationtips Page Page Chapter5.Diagnostics LenovoThinkVantageT oolbox PC-DoctorforDOS Creatingadiagnosticdisc Runningthediagnosticprogramfromadiagnosticdisc Navigatingthroughthediagnosticsprograms Runningtests Testresults QuickandFullerase-harddrive Page Chapter6.UsingtheSetupUtilityprogram StartingtheSetupUtilityprogram Viewingandchangingsettings Usingpasswords Passwordconsiderations Power-OnPassword AdministratorPassword HardDiskPassword Setting,changing,anddeletingapassword Erasinglostorforgottenpasswords(clearingCMOS) Enablingordisablingadevice Selectingastartupdevice Selectingatemporarystartupdevice Selectingorchangingthestartupdevicesequence Smartperformancechoices Page Page Chapter7.Symptom-to-FRUindex Harddiskdrivebooterror Diagnosticerrorcodes 48 Page 50 Page 52 Page 54 Page 56 Page 58 Page 60 Page 62 Beepsymptoms POSTerrorcodes 64 Miscellaneouserrormessages Undeterminedproblems Page Page Chapter8.ReplacingFRUs Locations Locatingconnectors,controls,andindicatorsonthefrontofyour computer Locatingconnectorsontherearofyourcomputer Locatingcomponents Locatingpartsonthesystemboard Openingthecomputercover Thissectionprovidesinstructionsonhowtoopenthecomputercover. 72 Removingandreinstallingthefrontbezel Installingorreplacingamemorymodule InstallingorreplacingthePCIcard Page Replacingtheharddiskdrive Replacingtheopticaldrive Page Replacingthebattery Replacingtheheatsink Replacingthemicroprocessor Page Page Page Replacingthesystemboard Page Replacingthesystemfanassembly Page Page Replacingtheinternalspeaker ReplacingthefrontaudioandUSBassembly Page Replacingtheacpoweradapter Replacingtheacpoweradapterbracket Page Page Completingthepartsreplacement Chapter9.FRUlists OverallMT:0266,0384,2491,4168,5027,5067,,and7519 100 Page 102 Page 104 Page 106 Page MechanicalFRUs 108 Page 110 Page 112 KeyboardandMouse 114 Page 116 Page 118 Page 120 Page 122 Page 124 Page 126 Page 128 Page 130 Page 132 Page 134 Page 136 Page 138 Page 140 Page 142 Page 144 Page 146 AdaptersandmiscellaneousFRUs 148 PowerCords 150 Page 152 Page 154 Page Recoverydiscs Windows7Professional32RecoveryCD 156 Page 158 Page 160 Page Windows7HomeBasic32RecoveryCD 162 Windows7HomePremium64RecoveryCD Windows7HomePremium32RecoveryCD 164 Page 166 WindowsXPProfessional32RecoveryCD 168 Page Windows7Professional64RecoveryCD 170 Page 172 Page 174 WindowsXPProfessionalGenericRecoveryCD WindowsVistaBusiness32RecoveryCD 176 WindowsVistaHomeBasic32RecoveryCD 178 Chapter10.Additionalserviceinformation Securityfeatures Hardware-controlledpasswords Operatingsystempassword VitalProductData Updating(ashing)theBIOSfromadisc Updating(ashing)theBIOSfromyouroperatingsystem RecoveringfromaPOST/BIOSupdatefailure Powermanagement Automaticcongurationandpowerinterface(ACPI)BIOS AutomaticPower-Onfeatures Page AppendixA.Notices Televisionoutputnotice Trademarks Index A B C D S T 186 U V

Lenovo Locatingconnectorsontherearofyourcomputer

Models: 2491 266 384 4168 5027 5067 7516 7519