Ifthesymptomyourcomputerisexperiencingoccurredimmediatelyafteryouinstalledanewhardware
optionornewsoftware,dothefollowingbeforereferringtothetroubleshootinginformation:
1.Removethenewhardwareoptionorsoftware.Ifyoumustremovethecomputercovertoremovea
hardwareoption,makesurethatyoureviewandfollowtheelectricalsafetyinformationprovidedwith
yourcomputer.Foryoursafety,donotoperatethecomputerwiththecoverremoved.
2.Runthediagnosticprogramstoensurethatyourcomputerisoperatingcorrectly.
3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.
Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:
•“Audioproblems”onpage103
•“CDproblems”onpage104
•“DVDproblems”onpage105
•“Intermittentproblems”onpage107
•“Keyboard,mouse,orpointingdeviceproblems”onpage107
•“Monitorproblems”onpage109
•“Networkingproblems”onpage111
•“Optionproblems”onpage113
•“Performanceandlockupproblems”onpage114
•“Printerproblems”onpage116
•“Serialconnectorproblems”onpage116
•“Softwareproblems”onpage117
•“USBproblems”onpage118
Audioproblems
Selectyoursymptomfromthefollowinglist:
•“NoaudioinWindows”onpage103
•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”
onpage104
•“Soundcomesfromoneexternalspeakeronly”onpage104
•“NoaudioinDOSapplicationsorgames”onpage104
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.Troubleshootinganddiagnostics103