1.Removethenewhardwareoptionorsoftwar e.Ifyoumustremovethecomputercovertoremovea
hardwareoption,makesureyoureviewandfollowtheelectricalsafetyinformationprovidedwithyour
computer.Foryoursafety,donotoper atethecomputerwiththecoverremoved.
2.Runthediagnosticprogramtoensureyourcomputerisoperatingcorrectly.
3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.
Selecttheproblemyourcomputerise xperiencingfromthefollowinglist:
•“Audioproblems”onpage99
•“CDproblems”onpage100
•“DVDproblems”onpage101
•“Intermittentproblems”onpage103
•“Keyboard,mouse,orpointingdeviceproblems”onpage103
•“Monitorproblems”onpage105
•“Networkingproblems”onpage106
•“Optionproblems”onpage109
•“Performanceandlockupproblems”onpage110
•“Printerproblems”onpage111
•“Serialportproblems”onpage112
•“Softwareproblems”onpage112
•“USBproblems”onpage113
Audioproblems
Selectyoursymptomfromthefollowinglist:
•“NoaudioinWindows”onpage99
•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”
onpage100
•“Soundcomesfromoneexternalspeakeronly”onpage100
•“NoaudioinDOSapplicationsorgames”onpage100

NoaudioinWindows

Symptom:NoaudioinWindows
Actions:
•IfyouareusingpoweredexternalspeakersthathaveanOn/Offcontrol,verifythattheOn/Offcontrolis
settotheOnpositionandthespeakerpowercableisconnectedtoaproperlygrounded,functionalac
electricaloutlet.
•Ifyourexternalspeakershaveavolumecontrol,verifythatthevolumecontrolisnotsettoolow.
•Double-clickthespeakericonintheWindowsnoticationarea.Amastervolume-controlwindowopens.
VerifythattheMutesettingsarenotcheckedandnoneofthevolumesettingsissettoolow.
•Somemodelshaveafrontaudiopanelyoucanusetoadjustvolume.Ifyouhaveafrontaudiopanel,
verifythatthevolumeisnotsettoolow.
•Verifythatyourexternalspeakers(andheadphones,ifused)areconnectedtothecorrectaudioconnector
onthecomputer.Mostspeakercablesarecolor-codedtomatchtheconnector.
Chapter10.Troubleshootinganddiagnostics99