Personal Computer User Manual

•IfyouhavemultipleCDorDVDdrivesinstalled(oracombinationofCDandDVDdrives),tryinsertingthe
discintotheotherdrive.Insomecases,onlyoneofthedrivesisconnectedtotheaudiosubsystem.
•IfyouareusingtheWindows7operatingsystem,followtheactionfor“ACDorDVDdoesnotwork”
onpage99.
Ifthisdoesnotcorrecttheproblem,followtheactionfor“ACDorDVDdoesnotwork”onpage99.
ACDorDVDdoesnotwork
Symptom:ACDorDVDdoesnotwork.
Actions:
•Verifythatthediscisinsertedcorrectly,withitslabelup.
•Makesurethatthediscyouareusingisclean.Toremovedustorngerprints,wipethedisccleanwitha
softclothfromthecentertotheoutside.Wipingadiscinacircularmotionmightcauselossofdata.
•Verifythatthediscyouareusingisnotscratchedordamaged.Tryinsertinganotherdiscthatyouknow
isgood.Ifyoucannotreadfromaknown-gooddisc,youmighthaveaproblemwithyourCDorDVD
driveorthecablingtoyourCDorDVDdrive.Makesurethatthepowercableandsignalcableare
securelyconnectedtothedrive.
Unabletouseastartable(bootable)recoverymedium,suchastheProductRecovery
CD,tostartyourcomputer
Symptom:Unabletouseastartable(bootable)recoverymedium,suchastheProductRecoveryCD,
tostartyourcomputer.
Action:MakesurethattheCDorDVDdriveisinthestartupsequencebeforetheharddiskdrive.Refer
toyour“Selectingorchangingthestartupdevicesequence”onpage84forinformationonviewingand
changingthestartupsequence.Notethatonsomemodelsthestartupsequenceispermanentlysetand
cannotbechanged.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter12“Gettinginformation,help,andservice”onpage113
.
DVDproblems
Selectyoursymptomfromthefollowinglist:
•“BlackscreeninsteadofDVDvideo”onpage99
•“DVDmoviewillnotplay”onpage100
•“NoaudioorintermittentaudiowhileplayingDVDmovie”onpage100
•“Playbackisverysloworchoppy”onpage100
•“Invaliddiscornodiscfoundmessage”onpage100
BlackscreeninsteadofDVDvideo
Symptom:BlackscreeninsteadofDVDvideo
Actions:
•RestarttheDVDplayerprogram.
•Closeanyopenles,turnoffthecomputer,andthenrestartthecomputer.
•Tryalowerscreenresolutionorcolordepth.
Chapter11.Troubleshootinganddiagnostics99