Contents
Chapter1.Aboutthismanual......1
ImportantSafetyInformation..........1
Chapter2.Safetyinformation......3
Generalsafety................3
Electricalsafety...............3
Safetyinspectionguide............5
Handlingelectrostaticdischarge-sensitive
devices..................5
Groundingrequirements............6
Tip-overhazardpreventionnotice........6
Safetynotices(multi-lingualtranslations).....6
Chapter3.Generalinformation....29
Specications...............29
Lenovoprograms.............30
AccessingLenovoprogramsontheWindows
7operatingsystem...........30
AccessingLenovoprogramsontheWindows
8orWindows8.1operatingsystem....31
LenovoSupportWebsite..........31
Chapter4.Generalcheckout.....33
Problemdeterminationtips..........33
Chapter5.Troubleshootingand
diagnostics..............35
Basictroubleshooting............35
AccessingControlPanelontheWindows8or
Windows8.1operatingsystem........35
Troubleshootingprocedure..........36
Troubleshooting..............37
Audioproblems............37
CDproblems.............38
DVDproblems.............39
Intermittentproblems..........41
Harddiskdriveproblems.........41
Keyboard,mouse,orpointingdevice
problems...............42
Monitorproblems............44
Networkingproblems..........45
Optionproblems............48
Performanceandlockupproblems.....49
Printerproblems............51
Serialportproblems...........51
Softwareproblems...........51
USBproblems.............52
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
ICEperformancemode...........59
ICEthermalalert..............59
ChangingtheBIOSsettingsbeforeinstallinganew
operatingsystem..............60
ExitingtheSetupUtilityprogram.......60
Chapter7.Symptom-to-FRUindex..61
Harddiskdrivebooterror..........61
PowerSupplyProblems...........61
Beepsymptoms..............61
POSTerrorcodes.............62
Miscellaneouserrorconditions........63
Undeterminedproblems...........65
Chapter8.Locations.........67
Locatingconnectors,controls,andindicatorson
thefrontofyourcomputer..........67
Usingyourcomputerinmonitormode...68
AccessingtheOnScreenDisplay(OSD)...68
Locatingconnectorsontherearofyour
computer.................70
LocatingmajorFRUsandCRUs........71
LookingupFRUinformation.........74
Locatingpartsonthesystemboard......74
Adjustingtheframestand..........76
Adjustingthemonitorstand.........77
Machinetypeandmodellabel........79
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