Lenovo ThinkPad E455 - Chapter 10. Replacing Devices; Static Electricity Prevention; Replacing the Coin-Cell Battery

•Problem:Thescreenpositionontheexternalmonitorisincorrectwhenthatmonitorissetforahigh
resolution.
Solution:Sometimes,whenyouuseahighresolution,theimageisshiftedtoleftorrightonthescreen.
Tocorrectthis,firstmakesurethatyourexternalmonitorsupportsthedisplaymode(theresolutionand
therefreshrate)thatyouhaveset.Ifitdoesnot,setadisplaymodethatthemonitorsupports.Ifit
doessupportthedisplaymodeyouhaveset,gotothesetupmenuforthemonitoritselfandadjustthe
settingsthere.Usuallytheexternalmonitorhasbuttonsforaccesstothesetupmenu.Fordetails,see
thedocumentationthatcomeswiththemonitor.
Audioproblems
•Problem:WaveorMIDIsounddoesnotplaycorrectly.
Solution:Makesurethatthebuilt-inaudiodeviceisconfiguredcorrectly.
1.OpenControlPanel.
2.ClickHardwareandSound.
3.ClickDeviceManager.Ifyouarepromptedforanadministratorpasswordorconfirmation,typethe
passwordorprovideconfirmation.
4.Double-clickSound,videoandgamecontrollers.
5.Makesurethatthefollowingdeviceisenabledandconfiguredcorrectly:
–ConexantCX20672SmartAudioHD
•Problem:Recordingsmadeusingthemicrophoneinputarenotloudenough.
Solution:MakesurethattheMicrophoneBoostfunctionisturnedonandsetbydoingthefollowing:
1.OpenControlPanel.
2.ClickHardwareandSound.
3.ClickSound.
4.ClicktheRecordingtabintheSoundwindow.
5.SelectMicrophone,andclickthePropertiesbutton.
6.ClicktheLevelstab,andmovetheMicrophoneBoostsliderupwards.
7.ClickOK.
Note:Fordetailsaboutcontrollingvolume,refertoyourWindowsonlinehelp.
•Problem:Avolumeorbalanceslidercannotbemoved.
Solution:Theslidermightbegrayedout.Thismeansthatitspositionisfixedbythehardwareand
cannotbechanged.
•Problem:Thevolumeslidersdonotstayinplacewhensomeaudioprogramsareused.
Solution:Itisnormalforthesliderstochangepositionwhencertainsoundapplicationsareused.The
applicationsareawareofthesettingsintheVolumeMixerwindowandareallowedtochangethesettings
themselves.AnexampleistheWindowsMediaPlayer.Usuallytheprogramhasslidersavailableto
controlthesoundfromwithintheprogram.
•Problem:Thebalanceslidercannotcompletelymuteonechannel.
Solution:Thecontrolisdesignedtocompensateforminordifferencesinbalanceanddoesnot
completelymuteeitherchannel.
•Problem:ThereisnovolumecontrolforMIDIsoundintheVolumeMixerwindow.
Chapter8.Troubleshootingcomputerproblems91