Lenovo ThinkCentre E73 - Audio Problems

Ifthesymptomyourcomputerisexperiencingoccurredimmediatelyafteryouinstalledanewhardware
optionornewsoftware,dothefollowingbeforereferringtothetroubleshootinginformation:
1.Removethenewhardwareoptionorsoftware.Ifyoumustremovethecomputercovertoremovea
hardwareoption,makesurethatyoureviewandfollowtheelectricalsafetyinformationprovidedwith
yourcomputer.Foryoursafety,donotoperatethecomputerwiththecoverremoved.
2.Runthediagnosticprogramstoensurethatyourcomputerisoperatingcorrectly.
3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.
Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:
•“Audioproblems”onpage105
•“CDproblems”onpage106
•“DVDproblems”onpage107
•“Intermittentproblems”onpage109
•“Keyboard,mouse,orpointingdeviceproblems”onpage109
•“Monitorproblems”onpage111
•“Networkingproblems”onpage113
•“Optionproblems”onpage115
•“Performanceandlockupproblems”onpage116
•“Printerproblems”onpage118
•“Serialconnectorproblems”onpage118
•“Softwareproblems”onpage119
•“USBproblems”onpage120
Audioproblems
Selectyoursymptomfromthefollowinglist:
•“NoaudioinWindows”onpage105
•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”
onpage106
•“Soundcomesfromoneexternalspeakeronly”onpage106
•“NoaudioinDOSapplicationsorgames”onpage106
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.Troubleshootinganddiagnostics105