Lenovo ThinkCentre Edge - Audio Problems

1.Removethenewhardwareoptionorsoftware.Ifyoumustremovethecomputercovertoremovea
hardwareoption,makesureyoureviewandfollowtheelectricalsafetyinformationprovidedwithyour
computer.Foryoursafety,donotoperatethecomputerwiththecoverremoved.
2.Runthediagnosticprogramstoensureyourcomputerisoperatingcorrectly.
3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.
Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:
•“Audioproblems”onpage59
•“CDproblems”onpage60
•“DVDproblems”onpage61
•“Intermittentproblems”onpage63
•“Keyboard,mouse,orpointingdeviceproblems”onpage63
•“Monitorproblems”onpage65
•“Networkingproblems”onpage66
•“Optionproblems”onpage69
•“Performanceandlockupproblems”onpage70
•“Printerproblems”onpage71
•“Serialportproblems”onpage72
•“Softwareproblems”onpage72
•“USBproblems”onpage73
Audioproblems
Selectyoursymptomfromthefollowinglist:
•“NoaudioinWindows”onpage59
•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”
onpage60
•“Soundcomesfromoneexternalspeakeronly”onpage60
•“NoaudioinDOSapplicationsorgames”onpage60
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.Troubleshootinganddiagnostics59