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ForWindows8orWindows8.1:OpenControlPanel,andthenclickSystemandSecuritySystem
SystemProtectionSystemRestore.
Ifthisdoesnotcorrecttheproblem,continuewiththenextstep.
6.Runthediagnosticprogram.See“LenovoSolutionCenteronpage53formoreinformation.
Ifthediagnosticprogramdetectsahardwarefailure,contacttheLenovoCustomerSupportCenter.
See“LenovoSupportWebsite”onpage32
formoreinformation.
Ifyouareunabletorunthediagnosticprogram,contacttheLenovoCustomerSupportCenter.See
“LenovoSupportWebsite”onpage32formoreinformation.
Ifthediagnosticprogramdoesnotdetectahardwarefailure,continuewiththenextstep.
7.Useanantivirusprogramtoseeifyourcomputerhasbeeninfectedbyavirus.Iftheprogramdetectsa
virus,removethevirus.
8.Ifnoneoftheseactionssolvetheproblem,seektechnicalassistance.See“LenovoSupportWeb
site”onpage32formoreinformation.
Troubleshooting
Usethetroubleshootinginformationtofindsolutionstoproblemsthathavedefinitesymptoms.
Ifthesymptomyourcomputerisexperiencingoccurredimmediatelyafteryouinstalledanewhardware
optionornewsoftware,dothefollowingbeforereferringtothetroubleshootinginformation:
1.Removethenewhardwareoptionorsoftware.Ifyoumustremovethecomputercovertoremovea
hardwareoption,makesureyoureviewandfollowtheelectricalsafetyinformationprovidedwithyour
computer.Foryoursafety,donotoperatethecomputerwiththecoverremoved.
2.Runthediagnosticprogramstoensureyourcomputerisoperatingcorrectly.
3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.
Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:
Audioproblems”onpage37
“CDproblems”onpage39
“DVDproblems”onpage40
“Intermittentproblems”onpage41
“Harddiskdriveproblems”onpage41
“Keyboard,mouse,orpointingdeviceproblems”onpage42
“Monitorproblems”onpage44
“Networkingproblems”onpage45
“Optionproblems”onpage48
“Performanceandlockupproblems”onpage48
“Printerproblems”onpage50
“Serialportproblems”onpage51
“Softwareproblems”onpage51
“USBproblems”onpage52
Audioproblems
Selectyoursymptomfromthefollowinglist:
“NoaudioinWindows”onpage38
Chapter5.Troubleshootinganddiagnostics37
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