Ifthesymptomyourcomputerisexperiencingoccurredimmediatelyafteryouinstalledanewhardware
optionornewsoftware,dothefollowingbeforereferringtothetroubleshootinginformation:
1.Removethenewhardwareoptionorsoftware.Ifyoumustremovethecomputercovertoremovea
hardwareoption,makesureyoureviewandfollowtheelectricalsafetyinformationprovidedwithyour
computer.Foryoursafety,donotoperatethecomputerwiththecoverremoved.
2.Runthediagnosticprogramtoensureyourcomputerisoperatingcorrectly.
3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.
Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:
•“Audioproblems”onpage63
•“CDproblems”onpage64
•“DVDproblems”onpage65
•“Intermittentproblems”onpage67
•“Keyboard,mouse,orpointingdeviceproblems”onpage67
•“Monitorproblems”onpage69
•“Networkingproblems”onpage71
•“Optionproblems”onpage73
•“Performanceandlockupproblems”onpage74
•“Printerproblems”onpage76
•“Serialportproblems”onpage76
•“Softwareproblems”onpage76
•“USBproblems”onpage78
Audioproblems
Selectyoursymptomfromthefollowinglist:
•“NoaudioinWindows”onpage63
•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”
onpage64
•“Soundcomesfromoneexternalspeakeronly”onpage64
•“NoaudioinDOSapplicationsorgames”onpage64
NoaudioinWindows
Symptom:NoaudioinWindows
Actions:
•IfyouareusingpoweredexternalspeakersthathaveanOn/Offcontrol,verifythattheOn/Offcontrolis
settotheOnpositionandthespeakerpowercableisconnectedtoaproperlygrounded,functionalac
electricaloutlet.
•Ifyourexternalspeakershaveavolumecontrol,verifythatthevolumecontrolisnotsettoolow.
•Double-clickthespeakericonintheWindowsnotificationarea.Amastervolume-controlwindowopens.
VerifythattheMutesettingsarenotcheckedandnoneofthevolumesettingsissettoolow.
•Somemodelshaveafrontaudiopanelyoucanusetoadjustvolume.Ifyouhaveafrontaudiopanel,
verifythatthevolumeisnotsettoolow.
•Verifythatyourexternalspeakers(andheadphones,ifused)areconnectedtothecorrectaudioconnector
onthecomputer.Mostspeakercablesarecolor-codedtomatchtheconnector.
Chapter10.Troubleshootinganddiagnostics63
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