1.Removethenewhardwareoptionorsoftwar e.Ifyoumustremovethecomputercovertoremovea
hardwareoption,makesureyoureviewandfollowtheelectricalsafetyinformationprovidedwithyour
computer.Foryoursafety,donotoper atethecomputerwiththecoverremoved.
2.Runthediagnosticprogramstoensureyourcomputerisoperatingcorrectly.
3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.
Selecttheproblemyourcomputerise xperiencingfromthefollowinglist:
•“Audioproblems”onpage91
•“CDproblems”onpage92
•“DVDproblems”onpage93
•“Intermittentproblems”onpage95
•“Keyboard,mouse,orpointingdeviceproblems”onpage95
•“Monitorproblems”onpage97
•“Networkingproblems”onpage98
•“Optionproblems”onpage101
•“Performanceandlockupproblems”onpage102
•“Printerproblems”onpage104
•“Serialportproblems”onpage105
•“Softwareproblems”onpage105
•“USBproblems”onpage106
Audioproblems
Selectyoursymptomfromthefollowinglist:
•“NoaudioinWindows”onpage91
•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”
onpage92
•“Soundcomesfromoneexternalspeakeronly”onpage92
•“NoaudioinDOSapplicationsorgames”onpage92

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.Troubleshootinganddiagnostics91