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•Theoptionisdesignedforyourcomputer.

•Youfollowedtheinstallationinstructionssuppliedwiththeoptionandtheinstallationinstructionsprovided

withyourcomputer,andalloptionﬁles(suchasdevicedrivers,ifrequired)areinstalledcorrectly.

•Youhavenotloosenedotherinstalledoptionsorcables.

•Iftheoptionisanadapter,youhaveprovidedenoughhardwareresourcesfortheadaptertofunction

correctly.Seethedocumentationsuppliedwiththeadapter(aswellasthedocumentationforanyother

installedadapters)todeterminetheresourcesrequiredforeachadapter.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“Diagnosticprograms”on

page118

forinstructions).Ifyouneedtechnicalassistance,seeChapter11“Gettinginformation,help,and

service”onpage121.

Anoptionthatpreviouslyworkeddoesnotworknow

Symptom:Anoptionthatpreviouslyworkeddoesnotworknow.

Actions:

•Verifythatalloptionhardwareandcableconnectionsaresecure.

•Iftheoptioncomeswithitsowntestinstructions,usethoseinstructionstotesttheoption.

•IfthefailingoptionisaSCSIoption,verifythat:

–ThecablesforallexternalSCSIoptionsareconnectedcorrectly.

–ThelastoptionineachSCSIchain,ortheendoftheSCSIcable,isterminatedcorrectly.

–AllexternalSCSIoptionsareturnedon.ExternalSCSIoptionsmustbeturnedonbeforethecomputer

isturnedon.Formoreinformation,seeyourSCSIdocumentation.

•Verifythattheoptionandanyrequireddevicedriversareinstalledcorrectly.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“Diagnosticprograms”on

page118

forinstructions).Ifyouneedtechnicalassistance,seeChapter11“Gettinginformation,help,and

service”onpage121

Performanceandlockupproblems

Poorperformanceandlockupproblemscanbearesultofanyofthefollowing:

•“Insufﬁcientfreeharddiskdrivespace”onpage114

•“Excessivenumberoffragmentedﬁles”onpage115

•“Insufﬁcientmemory”onpage116

Makeaselectionfromtheabovelisttoﬁndoutmoreaboutthecorrectiveactionsyoucantake.

Insufﬁcientfreeharddiskdrivespace

Symptom:Insufﬁcientfreeharddiskdrivespace

TheWindowsoperatingsystemwillslowdownandmightproduceerrorsiftheharddiskdrivegetstoofull.

TochecktheamountoffreespaceontheWindows7operatingsystem,dothefollowing:

1.ClickStart➙Computer.

2.Right-clickyourCdriveentryandthenclickProperties.Theamountoffreediskspaceisdisplayed.

TochecktheamountoffreespaceontheWindows8operatingsystem,dothefollowing:

114ThinkCentreE73UserGuide

Lenovo 10AU User Manual

Questions and Answers: