–AllexternalSCSIoptionsareturnedon.ExternalSCSIoptionsmustbeturnedonbeforethecomputer
isturnedon.Formoreinformation,seeyourSCSIdocumentation.
•Verifythattheoptionandanyrequireddevicedriversareinstalledcorrectly.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage115.
Performanceandlockupproblems
Poorperformanceandlockupproblemscanbearesultofanyofthefollowing:
•“Insufcientfreeharddiskdrivespace”onpage110
•“Excessivenumberoffragmentedles”onpage111
•“Insufcientmemory”onpage111
Makeaselectionfromtheabovelisttondoutmoreaboutthecorrectiveactionsyoucantake.

Insufcientfreeharddiskdrivespace

Symptom:Insufcientfreeharddiskdrivespace
TheWindowsoperatingsystemwillslowdownandmightproduceerrorsiftheharddiskdrivegetstoofull.
TochecktheamountoffreespaceontheWindows7operatingsystem,dothefollowing:
1.ClickStart➙Computer.
2.Right-clickyourCdriveentryandthenclickProperties.Theamountoffreediskspaceisdisplayed.
Tofreeupdiskspace,doanyofthefollowing:
•Procedure1
1.OntheWindows7operatingsystem,clickStart➙Computer.OntheWindows8operatingsystem,
opentheWindowsExplorerandclickComputer.
2.Right-clickyourCdriveentryandthenclickPr operties.
3.ClickDiskCleanup.
4.Alistofunnecessarylecategoriesisdisplayed.Selecteachlecategoryyouwanttodelete,
andthenclickOK.
•Procedure2
1.OpenControlPanel.
2.ClickPrograms.
3.ClickTurnWindowsfeaturesonoroff.
4.AlistofoptionalWindowscomponentsisdisplayed.Followtheinstructionsonthescreen.
•Procedure3
1.OntheWindows7operatingsystem,clickStart➙Computer.OntheWindows8operatingsystem,
opentheWindowsExplorerandclickComputer.
2.Right-clickyourCdriveentryandthenclickPr operties.
3.ClickDiskCleanup.
4.ClickCleanupsystemles.
5.ClicktheMoreOptionstab.
6.IntheProgramsandFeaturesarea,clicktheCleanupbutton.
110ThinkCentreUserGuide