1.Removethenewhardwareoptionorsoftwar e.Ifyoumustremovethecomputercovertoremovea
hardwareoption,makesureyoureviewandfollowtheelectricalsafetyinformationprovidedwithyour
computer.Foryoursafety,donotoper atethecomputerwiththecoverremoved.
2.Runthediagnosticprogramstoensureyourcomputerisoperatingcorrectly.
3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.
Selecttheproblemyourcomputerise xperiencingfromthefollowinglist:
•“Audioproblems”onpage93
•“CDproblems”onpage94
•“DVDproblems”onpage95
•“Intermittentproblems”onpage97
•“Keyboard,mouse,orpointingdeviceproblems”onpage97
•“Monitorproblems”onpage99
•“Networkingproblems”onpage101
•“Optionproblems”onpage103
•“Performanceandlockupproblems”onpage104
•��Printerproblems”onpage106
•“Serialportproblems”onpage106
•“Softwareproblems”onpage107
•“USBproblems”onpage108
Audioproblems
Selectyoursymptomfromthefollowinglist:
•“NoaudioinWindows”onpage93
•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”
onpage94
•“Soundcomesfromoneexternalspeakeronly”onpage94
•“NoaudioinDOSapplicationsorgames”onpage94

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.Troubleshootinganddiagnostics93