Personal Computer User's Guide

Anoptionthatpreviouslyworkeddoesnotworknow
Symptom:Anoptionthatpreviouslyworkeddoesnotworknow.
Actions:
•Verifythatalloptionhardwareandcableconnectionsaresecure.
•Iftheoptioncomeswithitsowntestinstructions,usethoseinstructionstotesttheoption.
•IfthefailingoptionisaSCSIoption,verifythat:
–ThecablesforallexternalSCSIoptionsareconnectedcorrectly.
–ThelastoptionineachSCSIchain,ortheendoftheSCSIcable,isterminatedcorrectly.
–AllexternalSCSIoptionsareturnedon.ExternalSCSIoptionsmustbeturnedonbeforethecomputer
isturnedon.Formoreinformation,seeyourSCSIdocumentation.
•Verifythattheoptionandanyrequireddevicedriversareinstalledcorrectly.
Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“Diagnosticprograms”on
page108forinstructions).Ifyouneedtechnicalassistance,seeChapter11“Gettinginformation,help,and
service”onpage111.
Performanceandlockupproblems
Poorperformanceandlockupproblemscanbearesultofanyofthefollowing:
•“Insufcientfreeharddiskdrivespace”onpage104
•“Excessivenumberoffragmentedles”onpage105
•“Insufcientmemory”onpage105
Makeaselectionfromtheabovelisttondoutmoreaboutthecorrectiveactionsyoucantake.
Insufcientfreeharddiskdrivespace
Symptom:Insufcientfreeharddiskdrivespace
TheWindowsoperatingsystemwillslowdownandmightproduceerrorsiftheharddiskdrivegetstoofull.
TochecktheamountoffreespaceontheWindows7operatingsystem,dothefollowing:
1.ClickStart➙Computer.
2.Right-clickyourCdriveentryandthenclickProperties.Theamountoffreediskspaceisdisplayed.
TochecktheamountoffreespaceontheWindows8operatingsystem,dothefollowing:
1.OpentheWindowsExplorerandclickComputer.
2.Right-clickyourCdriveentryandthenclickProperties.Theamountoffreediskspaceisdisplayed.
Tofreeupdiskspace,doanyofthefollowing:
•Procedure1
1.OntheWindows7operatingsystem,clickStart➙Computer.OntheWindows8operatingsystem,
opentheWindowsExplorerandclickComputer.
2.Right-clickyourCdriveentryandthenclickProperties.
3.ClickDiskCleanup.
4.Alistofunnecessarylecategoriesisdisplayed.Selecteachlecategoryyouwanttodelete,
andthenclickOK.
104ThinkCentreUserGuide