•Ifyouareunabletorunthediagnosticprogram,contacttheLenovoCustomerSupportCenter.See
“LenovoSupportWebsite”onpage31formoreinformation.
•Ifthediagnosticprogramdoesnotdetectahardwarefailure,continuewiththenextstep.
7.Useanantivirusprogramtoseeifyourcomputerhasbeeninfectedbyavirus.Iftheprogramdetectsa
virus,removethevirus.
8.Ifnoneoftheseactionssolvetheproblem,seektechnicalassistance.See“LenovoSupportWeb
site”onpage31formoreinformation.
Troubleshooting
Usethetroubleshootinginformationtondsolutionstoproblemsthathavedenitesymptoms.
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”onpage49
•“Printerproblems”onpage51
•“Serialportproblems”onpage51
•“Softwareproblems”onpage52
•“USBproblems”onpage53
Audioproblems
Selectyoursymptomfromthefollowinglist:
•“NoaudioinWindows”onpage38
•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”
onpage38
•“Soundcomesfromoneexternalspeakeronly”onpage38
•“NoaudioinDOSapplicationsorgames”onpage38
Chapter5.Troubleshootinganddiagnostics37
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