Invaliddiscornodiscfoundmessage
Solutions:
•EnsurethataDVDdiscisinthedrivewiththeshinysideofthediscfacingdown.
•Ensurethatvideoresolutionissettolessthan1152x864pixels.
•OncomputersthathaveaCD-ROMorCD-RWdriveinadditiontoaDVD-ROMdrive,ensurethatthe
DVDdiscisinthedrivelabeled“DVD”.
Intermittentproblems
Someproblemsoccuronlyoccasionallyandaredifficulttorepeat.
Solutions:
•Ensurethatallcablesandcordsaresecurelyconnectedtothecomputerandattacheddevices.
•Ensurethatwhenthecomputerison,thefangrillisnotblocked(thereisairflowaroundthegrill),andthe
fansareworking.Ifairflowisblockedorthefansarenotworking,thecomputermightoverheat.
•IfSmallComputerSystemInterface(SCSI)devicesareinstalled,ensurethatthelastexternaldevicein
eachSCSIchainisterminatedcorrectly.Formoreinformation,seeyourSCSIdocumentation.
Harddiskdriveproblems
Selectyoursymptomfromthefollowinglist:
•“SomeorallharddiskdrivesmissingfromtheSetupUtilityprogram”onpage53
•“"NoOperatingSystemFound"messageorthesystemnotstartingfromthecorrectharddiskdrive”
onpage53
SomeorallharddiskdrivesmissingfromtheSetupUtilityprogram
Symptom:SomeorallharddiskdrivesmissingfromtheSetupUtilityprogram
Actions:
•Ensurethatallharddiskdrivesignalcablesandpowercablesareconnectedcorrectly.
•Ensurethatyourcomputerisconfiguredcorrectlytosupporttheharddiskdrives.
–IfyourcomputerisinstalledwithfiveSATAharddiskdrives,ensurethattheSATAharddiskdrive
enablementmodule(onetofiveharddiskdrives)isinstalled.
–IfyourcomputerisinstalledwithSASharddiskdrives,ensurethattheSASharddiskdriveenablement
module(onetofiveharddiskdrives)ortheLSIMegaRAIDSASadapterisinstalled.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprogramLenovoSolutionCenter.See
“LenovoSolutionCenter”onpage60
.Ifyouneedtechnicalassistance,seeChapter10“Gettinginformation,
help,andservice”onpage117.
"NoOperatingSystemFound"messageorthesystemnotstartingfromthecorrect
harddiskdrive
Symptom:"NoOperatingSystemFound"messageorthesystemnotstartingfromthecorrectharddiskdrive
Actions:
•Ensurethatallharddiskdrivesignalcablesandpowercablesareconnectedcorrectly.Referto
“Replacingtheharddiskdrive”onpage80
.
Chapter7.Troubleshootinganddiagnostics53
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