Lenovo ThinkCentre E73z - Performance and Lockup Problems

•Verifythatalloptionhardwareandcableconnectionsaresecure.
•Iftheoptioncomeswithitsowntestinstructions,usethoseinstructionstotesttheoption.
•IfthefailingoptionisaSCSIoption,verifythat:
–ThecablesforallexternalSCSIoptionsareconnectedcorrectly.
–ThelastoptionineachSCSIchain,ortheendoftheSCSIcable,isterminatedcorrectly.
–AllexternalSCSIoptionsareturnedon.ExternalSCSIoptionsmustbeturnedonbeforethecomputer
isturnedon.Formoreinformation,seeyourSCSIdocumentation.
•Verifythattheoptionandanyrequireddevicedriversareinstalledcorrectly.
Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical
assistance,seeChapter11“Gettinginformation,help,andservice”onpage77.
Performanceandlockupproblems
Poorperformanceandlockupproblemscanbearesultofanyofthefollowing:
•“Insufficientfreeharddiskdrivespace”onpage72
•“Excessivenumberoffragmentedfiles”onpage73
Makeaselectionfromtheabovelisttofindoutmoreaboutthecorrectiveactionsyoucantake.
Insufficientfreeharddiskdrivespace
Symptom:Insufficientfreeharddiskdrivespace
TheWindowsoperatingsystemwillslowdownandmightproduceerrorsiftheharddiskdrivegetstoofull.
TochecktheamountoffreespaceontheWindows7operatingsystem,dothefollowing:
1.ClickStart➙Computer.
2.Right-clickyourCdriveentryandthenclickProperties.Theamountoffreediskspaceisdisplayed.
TochecktheamountoffreespaceontheWindows8operatingsystem,dothefollowing:
1.OpentheWindowsExplorerandclickComputer.
2.Right-clickyourCdriveentryandthenclickProperties.Theamountoffreediskspaceisdisplayed.
TochecktheamountoffreespaceontheWindows8.1operatingsystem,dothefollowing:
1.OpenFileExplorer.
2.Right-clickyourCdriveentryandthenclickProperties.Theamountoffreediskspaceisdisplayed.
Tofreeupdiskspace,doanyofthefollowing:
•Method1
1.OntheWindows7operatingsystem,clickStart➙Computer.OntheWindows8operatingsystem,
openFileExplorerandclickComputer.OntheWindows8.1operatingsystem,openFileExplorer.
2.Right-clickyourCdriveentryandthenclickProperties.
3.ClickDiskCleanup.
4.Alistofunnecessaryfilecategoriesisdisplayed.Selecteachfilecategoryyouwanttodelete,
andthenclickOK.
•Method2
1.OpenControlPanel.
72ThinkCentreE73zUserGuide