SymptomAction
Theoperatingsystemdoesnot
start.
Verifythat:
•Thestartupsequenceincludesthedevicewheretheoperatingsystemresides.
Usually,theoperatingsystemisontheharddiskdrive.F ormoreinformation,
see“Selectingastartupdevice”onpage80.
Thecomputerbeepsmultiple
timesbeforetheoperating
systemstarts.
Verifythatnokeysar estuck.
Troubleshootingprocedure
Usethefollowingprocedureasastartingpointfordiagnosingpr oblemsyouareexperiencingwithyour
computer:
1.Verifythatthecablesforallattacheddevicesareconnectedcorrectlyandsecurely.
2.Verifythatallattacheddevicesthatrequir eacpowerareconnectedtoproperlygrounded,functioning
electricaloutlets.
3.VerifythatallattacheddevicesareenabledintheBIOSsettingsofyourcomputer.Formoreinformation
aboutaccessingandchangingtheBIOSsettings,r efertoyourChapter7“UsingtheSetupUtility
program”onpage77.
4.Gotothe“T roubleshooting”onpage94andfollowtheinstructionsforthetypeofproblemyouare
experiencing.IftheTroubleshootinginformationdoesnothelpyouresolveaproblem,continuewiththe
nextstep.
5.T ryusingapreviouslycapturedcongurationtoseeifarecentchangetohardwareorsoftwaresettings
hascausedaproblem.Befor erestoringapreviousconguration,captureyourcurrentcongurationin
casetheoldercongurationsettingsdonotsolvetheproblemorhaveadverseaffects.T orestorea
capturedconguration,dothefollowing:
•OntheWindowsVistaoperatingsystem,clickS tart➙ControlPanel➙SystemandMaintenance
➙System➙SystemProtection➙SystemRestore.
•OntheWindows7operatingsystem,clickStart➙ControlPanel➙SystemandSecurity➙
System➙SystemProtection➙SystemRestore.
Ifthisdoesnotcorrecttheproblem,continuewiththene xtstep.
6.Runthediagnosticprograms.See“Diagnosticprograms”onpage110formor einformation.
•Ifthediagnosticprogramsdetectahardwarefailure,contacttheL enovoCustomerSupportCenter.
SeeChapter11“Gettinginformation,help,andservice”onpage113formoreinformation.
•Ifyouareunabletorunthediagnosticprograms,contacttheLenovoCustomerSupportCent er.See
Chapter11“Gettinginformation,help,andservice”onpage113formoreinformation.
•Ifthediagnosticprogramsdonotdetectahar dwarefailure,continuewiththenextstep.
7.Useanantivirusprogramtoseeifyourcomputerhasbeeninfectedbyavirus.Iftheprogramdetectsa
virus,removethevirus.
8.Ifnoneoftheseactionssolvethepr oblem,seektechnicalassistance.SeeChapter11“Getting
information,help,andservice”onpage113formoreinformation.
Troubleshooting
Usethetroubleshootinginformationtondsolutionstoproblemsthathavedenitesymptoms.
Ifthesymptomyourcomputerisexperiencingoccurredimmediatelyafteryouinstalledanewhardware
optionornewsoftware,dothefollowingbeforereferringtothetroubleshootinginformation:
94ThinkCentreUserGuide