Lenovo 3484JMU Bedienungsanleitung Seite 101

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1.Removethenewhardwareoptionorsoftware.Ifyoumustremovethecomputercovertoremovea
hardwareoption,makesureyoureviewandfollowtheelectricalsafetyinformationprovidedwithyour
computer.Foryoursafety,donotoperatethecomputerwiththecoverremoved.
2.Runthediagnosticprogramstoensureyourcomputerisoperatingcorrectly.
3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.
Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:
Audioproblems”onpage89
“CDproblems”onpage90
“DVDproblems”onpage91
“Intermittentproblems”onpage93
“Keyboard,mouse,orpointingdeviceproblems”onpage93
“Monitorproblems”onpage95
“Networkingproblems”onpage97
“Optionproblems”onpage99
“Performanceandlockupproblems”onpage100
“Printerproblems”onpage102
“Serialportproblems”onpage102
“Softwareproblems”onpage103
“USBproblems”onpage104
Audioproblems
Selectyoursymptomfromthefollowinglist:
“NoaudioinWindows”onpage89
AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”
onpage90
“Soundcomesfromoneexternalspeakeronly”onpage90
“NoaudioinDOSapplicationsorgames”onpage90
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.Troubleshootinganddiagnostics89
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