Lenovo ThinkCentre Edge 72z - Default Chapter; Table of Contents

Contents
Chapter1.Aboutthismanual......1
ImportantSafetyInformation..........1
Chapter2.Safetyinformation......3
Generalsafety................3
Electricalsafety...............3
Safetyinspectionguide............5
Handlingelectrostaticdischarge-sensitive
devices..................5
Groundingrequirements............6
Safetynotices(multi-lingualtranslations).....6
Chapter3.Generalinformation....29
Specications...............29
LenovoThinkVantageTools.........29
LenovoSolutionCenter...........30
LenovoWelcome..............30
SimpleTap................30
Additionalinformationresources.......31
Chapter4.GeneralCheckout.....33
Problemdeterminationtips..........33
Chapter5.Troubleshootingand
diagnostics..............35
Basictroubleshooting............35
Troubleshootingprocedure..........36
Troubleshooting..............37
Audioproblems............37
CDproblems.............38
DVDproblems.............39
Intermittentproblems..........41
Keyboard,mouse,orpointingdevice
problems...............41
Monitorproblems............43
Networkingproblems..........44
Optionproblems............47
Performanceandlockupproblems.....48
Printerproblems............49
Serialportproblems...........49
Softwareproblems...........50
USBproblems.............51
Diagnostics................51
LenovoSolutionCenter.........51
Chapter6.UsingtheSetupUtility
program................53
StartingtheSetupUtilityprogram.......53
Viewingandchangingsettings........53
Usingpasswords..............53
Passwordconsiderations.........53
Power-OnPassword..........54
AdministratorPassword.........54
Setting,changing,anddeletingapassword.54
Enablingordisablingadevice........54
Selectingastartupdevice..........55
Selectingatemporarystartupdevice....55
Selectingorchangingthestartupdevice
sequence...............55
ExitingtheSetupUtilityprogram.......55
Chapter7.Symptom-to-FRUIndex..57
Harddiskdrivebooterror..........57
PowerSupplyProblems...........57
Diagnosticerrorcodes...........57
Beepsymptoms..............75
POSTerrorcodes.............75
Miscellaneouserrorconditions........76
Undeterminedproblems...........78
Chapter8.Locations.........79
Locatingconnectors,controls,andindicatorson
thefrontofyourcomputer..........79
Locatingconnectorsontherearofyour
computer.................81
LocatingmajorFRUsandCRUs........82
LookingupFRUinformation.........85
Locatingpartsonthesystemboard......86
Chapter9.ReplacingFRUs......87
Removingandreinstallingthesystemstandhinge
cover..................87
Removingandreinstallingthesystemstand...89
Removingandreinstallingthefootstands....91
Removingthecomputercover........94
Replacingtheharddiskdrive.........95
Replacingtheopticaldrive..........97
RemovingtheVESAmountbracket......98
ReplacingtherearI/Oassembly........99
Removingandreinstallingthesystemboard
shield..................101
Replacingthepowersupply.........102
Replacingthemicroprocessorfan.......103
Replacingtheheatsinkassembly.......104
Replacingthemicroprocessor........106
Replacingthecardreader..........109
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