•Theoptionisdesignedforyourcomputer.
•Youfollowedtheinstallationinstructionssuppliedwiththeoptionandtheinstallationinstructionsprovided
withyourcomputer,andalloptionles(suchasdevicedrivers,ifrequired)areinstalledcorrectly.
•Youhavenotloosenedotherinstalledoptionsorcables.
•Iftheoptionisanadapter,youhaveprovidedenoughhardwareresourcesfortheadaptertofunction
correctly.Seethedocumentationsuppliedwiththeadapter(aswellasthedocumentationforanyother
installedadapters)todeterminetheresourcesrequiredforeachadapter.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“Diagnosticprograms”on
page120forinstructions).Ifyouneedtechnicalassistance,seeChapter11“Gettinginformation,help,and
service”onpage123.
Anoptionthatpreviouslyworkeddoesnotworknow
Symptom:Anoptionthatpreviouslyworkeddoesnotworknow.
Actions:
•Verifythatalloptionhardwareandcableconnectionsaresecure.
•Iftheoptioncomeswithitsowntestinstructions,usethoseinstructionstotesttheoption.
•IfthefailingoptionisaSCSIoption,verifythat:
–ThecablesforallexternalSCSIoptionsareconnectedcorrectly.
–ThelastoptionineachSCSIchain,ortheendoftheSCSIcable,isterminatedcorrectly.
–AllexternalSCSIoptionsareturnedon.ExternalSCSIoptionsmustbeturnedonbeforethecomputer
isturnedon.Formoreinformation,seeyourSCSIdocumentation.
•Verifythattheoptionandanyrequireddevicedriversareinstalledcorrectly.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“Diagnosticprograms”on
page120
forinstructions).Ifyouneedtechnicalassistance,seeChapter11“Gettinginformation,help,and
service”onpage123.
Performanceandlockupproblems
Poorperformanceandlockupproblemscanbearesultofanyofthefollowing:
•“Insufcientfreeharddiskdrivespace”onpage116
•“Excessivenumberoffragmentedles”onpage117
•“Insufcientmemory”onpage118
Makeaselectionfromtheabovelisttondoutmoreaboutthecorrectiveactionsyoucantake.
Insufcientfreeharddiskdrivespace
Symptom:Insufcientfreeharddiskdrivespace
TheWindowsoperatingsystemwillslowdownandmightproduceerrorsiftheharddiskdrivegetstoofull.
TochecktheamountoffreespaceontheWindows7operatingsystem,dothefollowing:
1.ClickStart➙Computer.
2.Right-clickyourCdriveentryandthenclickProperties.Theamountoffreediskspaceisdisplayed.
TochecktheamountoffreespaceontheWindows8operatingsystem,dothefollowing:
116ThinkCentreE73UserGuide