Lenovo ThinkCentre Edge 92 - Chapter 5: Installing or Replacing Hardware; Static-Sensitive Device Handling; Component Installation Procedures

Selecttheproblemyourcomputerisexperiencingfromthefollowinglist:
•“Audioproblems”onpage41
•“CDproblems”onpage42
•“DVDproblems”onpage43
•“Intermittentproblems”onpage44
•“Harddiskdriveproblems”onpage45
•“Keyboard,mouse,orpointingdeviceproblems”onpage45
•“Monitorproblems”onpage47
•“Networkingproblems”onpage49
•“Optionproblems”onpage51
•“Performanceandlockupproblems”onpage52
•“Printerproblems”onpage54
•“Serialportproblems”onpage54
•“Softwareproblems”onpage54
•“USBproblems”onpage55
Audioproblems
Selectyoursymptomfromthefollowinglist:
•“NoaudioinWindows”onpage41
•“AnaudiodiscorAutoPlay-enableddiscdoesnotautomaticallyplaywhenitisinsertedintoadrive”
onpage42
•“Soundcomesfromoneexternalspeakeronly”onpage42
•“NoaudioinDOSapplicationsorgames”onpage42
NoaudioinWindows
Symptom:NoaudioinWindows
Actions:
•IfyouareusingpoweredexternalspeakersthathaveanOn/Offcontrol,verifythattheOn/Offcontrolis
settotheOnpositionandthespeakerpowercableisconnectedtoaproperlygrounded,functionalac
electricaloutlet.
•Ifyourexternalspeakershaveavolumecontrol,verifythatthevolumecontrolisnotsettoolow.
•Double-clickthespeakericonintheWindowsnoticationarea.Amastervolume-controlwindowopens.
VerifythattheMutesettingsarenotcheckedandnoneofthevolumesettingsissettoolow.
•Verifythatyourexternalspeakers(andheadphones,ifused)areconnectedtothecorrectaudioconnector
onthecomputer.Mostspeakercablesarecolor-codedtomatchtheconnector.
Note:Whenexternal-speakerorheadphonecablesareattachedtotheaudioconnector,theinternal
speaker,ifpresent,isdisabled.Inmostcases,ifanaudioadapterisinstalledinoneoftheexpansionslots,
theaudiofunctionbuiltintothesystemboardisdisabled;usetheaudiojacksontheadapter.
•MakesurethattheprogramyouarerunningisdesignedforuseintheMicrosoftWindowsoperating
system.IftheprogramisdesignedtoruninDOS,theprogramdoesnotusetheWindowssoundfeature
andmustbeconguredtouseSoundBlasterProorSoundBlasteremulation.
•Verifythattheaudiodevicedriversarecorrectlyinstalled.SeeMicrosoftWindowshelpsystemformore
information.
Chapter5.Troubleshootinganddiagnostics41