Lenovo ThinkCentre Edge 72 - Default Chapter; Table of Contents

Contents
Chapter1.Aboutthismanual......1
Importantsafetyinformation..........1
Chapter2.Safetyinformation......3
Generalsafety................3
Electricalsafety...............3
Voltage-selectionswitch............5
Safetyinspectionguide............5
Handlingelectrostaticdischarge-sensitive
devices..................6
Groundingrequirements............6
Safetynotices(multi-lingualtranslations).....6
Chapter3.Generalinformation....29
Specications...............29
Formachinetypes:3484,3485,and3492..29
Formachinetypes:3493,3496,and3497..30
Lenovoprograms.............30
AccessingLenovoprogramsontheWindows
7operatingsystem...........30
AccessingLenovoprogramsontheWindows
8operatingsystem...........32
LenovoSupportWebsite..........32
Chapter4.Generalcheckout.....33
Problemdeterminationtips..........33
Chapter5.Troubleshootingand
diagnostics..............35
Basictroubleshooting............35
AccessingControlPanelontheWindows8
operatingsystem..............36
Troubleshootingprocedure..........36
Troubleshooting..............37
Audioproblems............37
CDproblems.............39
DVDproblems.............40
Intermittentproblems..........41
Harddiskdriveproblems.........41
Keyboard,mouse,orpointingdevice
problems...............42
Monitorproblems............44
Networkingproblems..........45
Optionproblems............48
Performanceandlockupproblems.....49
Printerproblems............51
Serialportproblems...........51
Softwareproblems...........52
USBproblems.............53
Diagnostics................53
LenovoSolutionCenter.........53
Chapter6.UsingtheSetupUtility
program................55
StartingtheSetupUtilityprogram.......55
Viewingandchangingsettings........55
Usingpasswords..............55
Passwordconsiderations.........56
Power-OnPassword..........56
AdministratorPassword.........56
HardDiskPassword...........56
Setting,changing,anddeletingapassword.56
Erasinglostorforgottenpasswords(clearing
CMOS)................57
Enablingordisablingadevice........57
Selectingastartupdevice..........58
Selectingatemporarystartupdevice....58
Selectingorchangingthestartupdevice
sequence...............58
EnablingErPcompliancemode........58
ChangingtheBIOSsettingsbeforeinstallinganew
operatingsystem..............59
ExitingtheSetupUtilityprogram.......59
Chapter7.Symptom-to-FRUindex..61
Harddiskdrivebooterror..........61
Powersupplyproblems...........61
Beepsymptoms..............61
POSTerrorcodes.............62
Miscellaneouserrormessages........64
Undeterminedproblems...........65
Chapter8.Locations.........67
Locations.................67
Locatingconnectors,controls,andindicators
onthefrontofyourcomputer.......67
Locatingconnectorsontherearofyour
computer...............68
LocatingmajorFRUsandCRUs......69
LookingupFRUinformation.......71
Locatingpartsonthesystemboard....72
Locatinginternaldrives.........73
Locations.................73
Locatingconnectors,controls,andindicators
onthefrontofyourcomputer.......74
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