Lenovo ThinkPad Edge E520 - Audio Problems

•Problem:Displayswitchingdoesnotwork.
Solution:IfyouusetheExtenddesktopfunction,disableit,andchangethedisplayoutputlocation.If
aDVDmovieoravideoclipisplaying,stoptheplayback,closetheapplication,andthenchangethe
displayoutputlocation.
•Problem:IfyouusetheExtenddesktopfunction,youcannotsetahigherresolutionorhigherrefresh
rateonthesecondarydisplay.
Solution:Changetheresolutionandthecolordepthtolowersettingsfortheprimarydisplaybydoing
thefollowing:
ForWindows7:Changetheresolutiondepthtolowersettingsfortheprimarydisplay.Refertothe
“Solution”for“TheExtenddesktopfunctiondoesnotwork”above.
ForWindowsXP:UsingtheDisplayPropertieswindow,changetheresolutionandthecolordepthtolower
settingsfortheprimarydisplay.TolaunchtheDisplayPropertieswindow,refertothe“Solution”for“The
Extenddesktopfunctiondoesnotwork”above.
•Problem:Thescreenpositionontheexternalmonitorisincorrectwhenthatmonitorissetforahigh
resolution.
Solution:Sometimes,whenyouuseahighresolutionsuchas1600x1200,theimageisshiftedtoleft
orrightonthescreen.Tocorrectthis,rstmakesurethatyourexternalmonitorsupportsthedisplay
mode—thatis,theresolutionandtherefreshrate—thatyouhaveset.Ifitdoesnot,setadisplaymode
thatthemonitorsupports.Ifitdoessupportthedisplaymodeyouhaveset,gotothesetupmenuforthe
monitoritselfandadjustthesettingsthere.Usuallytheexternalmonitorhasbuttonsforaccesstothe
setupmenu.Fordetails,seethereferencemanualforthemonitor.
Audioproblems
•Problem:WaveorMIDIsounddoesnotplaycorrectly.
Solution:Makesurethebuilt-inaudiodeviceisconguredcorrectly.
ForWindows7:
1.ClickStart➙ControlPanel.
2.ClickHardwareandSound.
3.ClickDeviceManager.Ifyouarepromptedforanadministratorpasswordorconrmation,typethe
passwordorprovideconrmation.
4.Double-clickSound,videoandgamecontrollers.
5.Makesurethefollowingdeviceisenabledandconguredcorrectly:
–ConexantPebbleHighDenitionSmartAudio
ForWindowsXP:
1.ClickStart➙ControlPanel.
2.ClickPerformanceandMaintenance
3.ClickSystem.
4.ClicktheHardwaretab,andthenclicktheDeviceManagerbutton.
5.Clickthe+markforSound,videoandgamecontrollers.
6.Makesurethefollowingdeviceisenabledandconguredcorrectly:
–ConexantPebbleHighDenitionSmartAudio
•Problem:RecordingsmadebyusingtheMicrophoneinputarenotloudenough.
Solution:MakesurethatMicrophoneBoostisturnedonandsetasfollows:
Chapter10.Troubleshootingcomputerproblems149