Actions:
•Disableanybackgroundprograms,suchasAntiVirusorDesktopThemes.
•Ensurethatvideoresolutionissettolessthan1152x864.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on
page53
forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage32.
Invaliddiscornodiscfoundmessage
Symptom:Invaliddiscornodiscfoundmessage
Actions:
•EnsurethataDVDdiscisinthedrivewiththeshinysideofthediscfacingdown.
•Ensurethatvideoresolutionissettolessthan1152x864.
•OncomputersthathaveaCD-ROMorCD-RWdriveinadditiontoaDVD-ROMdrive,makesurethatthe
DVDdiscisinthedrivelabeled“DVD”.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on
page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage32.
Intermittentproblems
Symptom:Aproblemoccursonlyoccasionallyandisdifficulttorepeat.
Actions:
•Verifythatallcablesandcordsaresecurelyconnectedtothecomputerandattacheddevices.
•Verifythatwhenthecomputerison,thefangrillisnotblocked(thereisairflowaroundthegrill),andthe
fansareworking.Ifairflowisblockedorthefansarenotworking,thecomputermightoverheat.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“LenovoSolutionCenter”on
page53forinstructions).Ifyouneedtechnicalassistance,see“LenovoSupportWebsite”onpage32.
Harddiskdriveproblems
Selectyoursymptomfromthefollowinglist:
•“SomeorallharddiskdrivesmissingfromtheSetupUtilityprogram”onpage41
•“"NoOperatingSystemFound"messageorthesystemnotstartingfromthecorrectharddiskdrive”
onpage42
SomeorallharddiskdrivesmissingfromtheSetupUtilityprogram
Symptom:SomeorallharddiskdrivesmissingfromtheSetupUtilityprogram
Actions:
•Ensurethatallharddiskdrivesignalcablesandpowercablesareconnectedcorrectly.
•Ensurethatyourcomputerisconfiguredcorrectlytosupporttheharddiskdrives.
–IfyourcomputerisinstalledwithfiveSATAharddiskdrives,ensurethattheSATAharddiskdrive
enablementmodule(onetofiveharddiskdrives)isinstalled.
–IfyourcomputerisinstalledwithSASharddiskdrives,ensurethattheSASharddiskdriveenablement
module(onetofiveharddiskdrives)ortheLSIMegaRAIDSASadapterisinstalled.
Chapter5.Troubleshootinganddiagnostics41
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