Lenovo ThinkCentre Edge 72z User Manual

Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:
•“Audioproblems”onpage57
•“CDproblems”onpage58
•“DVDproblems”onpage59
•“Intermittentproblems”onpage61
•“Keyboard,mouse,orpointingdeviceproblems”onpage61
•“Monitorproblems”onpage62
•“Networkingproblems”onpage64
•“Optionproblems”onpage67
•“Performanceandlockupproblems”onpage68
•“Printerproblems”onpage69
•“Serialportproblems”onpage69
•“Softwareproblems”onpage70
•“USBproblems”onpage70
Audioproblems
Selectyoursymptomfromthefollowinglist:
•“NoaudioinWindows”onpage57
•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”
onpage58
•“Soundcomesfromoneexternalspeakeronly”onpage58
•“NoaudioinDOSapplicationsorgames”onpage58
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.
Note:Whenexternal-speakerorheadphonecablesareattachedtotheaudioconnector,theinternal
speaker,ifpresent,isdisabled.Inmostcases,ifanaudioadapterisinstalledinoneoftheexpansionslots,
theaudiofunctionbuiltintothesystemboardisdisabled;usetheaudiojacksontheadapter.
•MakesurethattheprogramyouarerunningisdesignedforuseintheMicrosoftWindowsoperating
system.IftheprogramisdesignedtoruninDOS,theprogramdoesnotusetheWindowssoundfeature
andmustbeconguredtouseSoundBlasterProorSoundBlasteremulation.
Chapter10.Troubleshootinganddiagnostics57

Lenovo ThinkCentre Edge 72z Specifications

General

Brand	Lenovo
Model	ThinkCentre Edge 72z
Category	Desktop
Language	English