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Troubleshootingprocedure
Usethefollowingprocedureasastartingpointfordiagnosingproblemsyouareexperiencingwithyour
computer:
1.Verifythatthecablesforallattacheddevicesareconnectedcorrectlyandsecurely.
2.Verifythatallattacheddevicesthatrequireacpowerareconnectedtoproperlygrounded,functioning
electricaloutlets.
3.VerifythatallattacheddevicesareenabledintheBIOSsettingsofyourcomputer.Formoreinformation
aboutaccessingandchangingtheBIOSsettings,refertoyourChapter5“UsingtheSetupUtility
program”onpage19
.
4.Gotothe“Troubleshooting”onpage30andfollowtheinstructionsforthetypeofproblemyouare
experiencing.IftheTroubleshootinginformationdoesnothelpyouresolveaproblem,continuewiththe
nextstep.
5.Tryusingapreviouslycapturedcongurationtoseeifarecentchangetohardwareorsoftwaresettings
hascausedaproblem.Beforerestoringapreviousconguration,captureyourcurrentcongurationin
casetheoldercongurationsettingsdonotsolvetheproblemorhaveadverseeffects.Torestorea
capturedconguration,dothefollowing:
ForWindows7:ClickStartControlPanelSystemandSecuritySystemSystem
ProtectionSystemRestore.
ForWindows8:OpenControlPanel,andthenclickSystemandSecuritySystemSystem
ProtectionSystemRestore.
Ifthisdoesnotcorrecttheproblem,continuewiththenextstep.
6.Useanantivirusprogramtoseeifyourcomputerhasbeeninfectedbyavirus.Iftheprogramdetectsa
virus,removethevirus.
Troubleshooting
Usethetroubleshootinginformationtondsolutionstoproblemsthathavedenitesymptoms.
Ifthesymptomyourcomputerisexperiencingoccurredimmediatelyafteryouinstalledanewhardware
optionornewsoftware,dothefollowingbeforereferringtothetroubleshootinginformation:
1.Removethenewhardwareoptionorsoftware.Ifyoumustremovethecomputercovertoremovea
hardwareoption,makesureyoureviewandfollowtheelectricalsafetyinformationprovidedwithyour
computer.Foryoursafety,donotoperatethecomputerwiththecoverremoved.
2.Runthediagnosticprogramstoensureyourcomputerisoperatingcorrectly.
3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.
Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:
Audioproblems”onpage31
“CDproblems”onpage32
“DVDproblems”onpage33
“Intermittentproblems”onpage34
“Keyboard,mouse,orpointingdeviceproblems”onpage34
“Monitorproblems”onpage35
“Networkingproblems”onpage37
“Performanceandlockupproblems”onpage39
“Printerproblems”onpage41
30LenovoM4350UserGuide
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