Lenovo ThinkCentre E73z - Updating (Flashing) the BIOS from Your Operating System

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.Alistofunnecessarylecategoriesisdisplayed.Selecteachlecategoryyouwanttodelete,
andthenclickOK.
•Method2
1.OpenControlPanel.
2.ClickPrograms.
3.ClickTurnWindowsfeaturesonoroff.
4.AlistofoptionalWindowscomponentsisdisplayed.Followtheinstructionsonthescreen.
•Method3
1.OntheWindows7operatingsystem,clickStart➙Computer.OntheWindows8operatingsystem,
openFileExplorerandclickComputer.OntheWindows8.1operatingsystem,openFileExplorer.
2.Right-clickyourCdriveentryandthenclickProperties.
3.ClickDiskCleanup.
4.ClickCleanupsystemles.
5.ClicktheMoreOptionstab.
6.IntheProgramsandFeaturesarea,clicktheCleanupbutton.
7.Alistofinstalledprogramsisdisplayed.Selecttheprogramthatyouwanttoremove.Click
Uninstall/ChangeorUninstall.
•CleanoutyourInbox,SentItems,andDeletedItemsfoldersfromyoure-mailapplication.Thefolder
namesandproceduresvarydependingonyoure-mailapplication.Ifyouneedassistance,seethe
helpsystemforyoure-mailapplication.
Excessivenumberoffragmentedles
Symptom:Excessivenumberoffragmentedles
Action:RuntheWindowsDiskDefragmenterprogram.
Note:Dependingonthesizeoftheharddiskdriveandamountofdatacurrentlystoredontheharddisk
drive,thedisk-defragmentationprocessmighttakeuptoseveralhourstocomplete.
OntheWindows7operatingsystem,dothefollowing:
50ThinkCentreE73zHardwareMaintenanceManual