Lenovo ThinkCentre Edge 72z - Troubleshooting; Audio Problems

Troubleshooting
Usethetroubleshootinginformationtondsolutionstoproblemsthathavedenitesymptoms.
Ifthesymptomyourcomputerisexperiencingoccurredimmediatelyafteranewhardwareoptionornew
softwareinstalled,dothefollowingbeforereferringtothetroubleshootinginformation:
1.Removethenewhardwareoptionorsoftware.Ifyoumustremovethecomputercovertoremovea
hardwareoption,havethecomputerserviced.Foryoursafety,donotoperatethecomputerwiththe
coverremoved.
2.Runthediagnosticprogramstoensureyourcomputerisoperatingcorrectly.
3.Reinstallthenewhardwareoptionorsoftware.
Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:
•“Audioproblems”onpage37
•“CDproblems”onpage38
•“DVDproblems”onpage39
•“Intermittentproblems”onpage41
•“Keyboard,mouse,orpointingdeviceproblems”onpage41
•“Monitorproblems”onpage43
•“Networkingproblems”onpage44
•“Optionproblems”onpage47
•“Performanceandlockupproblems”onpage48
•“Printerproblems”onpage49
•“Serialportproblems”onpage49
•“Softwareproblems”onpage50
•“USBproblems”onpage51
Audioproblems
Selectyoursymptomfromthefollowinglist:
•“NoaudioinWindows”onpage37
•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”
onpage38
•“Soundcomesfromoneexternalspeakeronly”onpage38
•“NoaudioinDOSapplicationsorgames”onpage38
NoaudioinWindows
Symptom:NoaudioinWindows
Actions:
•IfyouareusingpoweredexternalspeakersthathaveanOn/Offcontrol,verifythattheOn/Offcontrolis
settotheOnpositionandthespeakerpowercableisconnectedtoaproperlygrounded,functionalac
electricaloutlet.
•Ifyourexternalspeakershaveavolumecontrol,verifythatthevolumecontrolisnotsettoolow.
•Double-clickthespeakericonintheWindowsnoticationarea.Amastervolume-controlwindowopens.
VerifythattheMutesettingsarenotcheckedandnoneofthevolumesettingsissettoolow.
Chapter5.Troubleshootinganddiagnostics37