Lenovo ThinkCentre Edge 92 - Specific Problem Resolutions

1.Removethenewhardwareoptionorsoftware.Ifyoumustremovethecomputercovertoremovea
hardwareoption,makesureyoureviewandfollowtheelectricalsafetyinformationprovidedwithyour
computer.Foryoursafety,donotoperatethecomputerwiththecoverremoved.
2.Runthediagnosticprogramtoensureyourcomputerisoperatingcorrectly.
3.Reinstallthenewhardwareoptionorsoftwarefollowingthemanufacturer'sinstructions.
Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:
•“Audioproblems”onpage93
•“CDproblems”onpage94
•“DVDproblems”onpage95
•“Intermittentproblems”onpage97
•“Keyboard,mouse,orpointingdeviceproblems”onpage97
•“Monitorproblems”onpage99
•“Networkingproblems”onpage100
•“Optionproblems”onpage103
•“Performanceandlockupproblems”onpage104
•“Printerproblems”onpage105
•“Serialportproblems”onpage106
•“Softwareproblems”onpage106
•“USBproblems”onpage107
Audioproblems
Selectyoursymptomfromthefollowinglist:
•“NoaudioinWindows”onpage93
•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”
onpage94
•“Soundcomesfromoneexternalspeakeronly”onpage94
•“NoaudioinDOSapplicationsorgames”onpage94
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.Troubleshootinganddiagnostics93