Lenovo M72e Guia do Utilizador descarregar pdf (Página 111)

1.Removethenewhardwareoptionorsoftware.Ifyoumustremovethecomputercovertoremovea

hardwareoption,makesureyoureviewandfollowtheelectricalsafetyinformationprovidedwithyour

computer.Foryoursafety,donotoperatethecomputerwiththecoverremoved.

2.Runthediagnosticprogramstoensureyourcomputerisoperatingcorrectly.

3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.

Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:

•“Audioproblems”onpage99

•“CDproblems”onpage100

•“DVDproblems”onpage101

•“Intermittentproblems”onpage103

•“Keyboard,mouse,orpointingdeviceproblems”onpage103

•“Monitorproblems”onpage105

•“Networkingproblems”onpage106

•“Optionproblems”onpage109

•“Performanceandlockupproblems”onpage110

•“Printerproblems”onpage112

•“Serialportproblems”onpage113

•“Softwareproblems”onpage113

•“USBproblems”onpage114

Audioproblems

Selectyoursymptomfromthefollowinglist:

•“NoaudioinWindows”onpage99

•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”

onpage100

•“Soundcomesfromoneexternalspeakeronly”onpage100

•“NoaudioinDOSapplicationsorgames”onpage100

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.

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Lenovo M72e Guia do Utilizador Página 111