Lenovo E73 Betriebsanweisung Seite 115

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Seitenansicht 114
Ifthesymptomyourcomputerisexperiencingoccurredimmediatelyafteryouinstalledanewhardware
optionornewsoftware,dothefollowingbeforereferringtothetroubleshootinginformation:
1.Removethenewhardwareoptionorsoftware.Ifyoumustremovethecomputercovertoremovea
hardwareoption,makesurethatyoureviewandfollowtheelectricalsafetyinformationprovidedwith
yourcomputer.Foryoursafety,donotoperatethecomputerwiththecoverremoved.
2.Runthediagnosticprogramstoensurethatyourcomputerisoperatingcorrectly.
3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.
Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:
Audioproblems”onpage103
“CDproblems”onpage104
“DVDproblems”onpage105
“Intermittentproblems”onpage107
“Keyboard,mouse,orpointingdeviceproblems”onpage107
“Monitorproblems”onpage109
“Networkingproblems”onpage111
“Optionproblems”onpage113
“Performanceandlockupproblems”onpage114
“Printerproblems”onpage116
“Serialconnectorproblems”onpage116
“Softwareproblems”onpage117
“USBproblems”onpage118
Audioproblems
Selectyoursymptomfromthefollowinglist:
“NoaudioinWindows”onpage103
AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”
onpage104
“Soundcomesfromoneexternalspeakeronly”onpage104
“NoaudioinDOSapplicationsorgames”onpage104
NoaudioinWindows
Symptom:NoaudioinWindows
Actions:
IfyouareusingpoweredexternalspeakersthathaveanOn/Offcontrol,verifythattheOn/Offcontrolis
settotheOnpositionandthespeakerpowercableisconnectedtoaproperlygrounded,functionalac
electricaloutlet.
Ifyourexternalspeakershaveavolumecontrol,verifythatthevolumecontrolisnotsettoolow.
Double-clickthespeakericonintheWindowsnotificationarea.Amastervolume-controlwindowopens.
VerifythattheMutesettingsarenotcheckedandnoneofthevolumesettingsissettoolow.
Somemodelshaveafrontaudiopanelyoucanusetoadjustvolume.Ifyouhaveafrontaudiopanel,
verifythatthevolumeisnotsettoolow.
Verifythatyourexternalspeakers(andheadphones,ifused)areconnectedtothecorrectaudioconnector
onthecomputer.Mostspeakercablesarecolor-codedtomatchtheconnector.
Chapter10.Troubleshootinganddiagnostics103
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