Lenovo ThinkCentre Edge 72z - Opening the System Board Shield Window

10.Reinstallthesystemboardshield.See“Removingandreinstallingthesystemboardshield”onpage101.
11.Goto“Completingthepartsreplacement”onpage124.
Openingthesystemboardshieldwindow
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheSafety,Warranty,andSetupGuidethatcamewithyourcomputer.Toobtainacopyofthe
Safety,Warranty,andSetupGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoopenandclosethesystemboardshieldwindow.
Toopenandclosethesystemboardshieldwindow,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorotheratsurface.Holdthesidesofyourcomputerand
gentlylayitdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage94.
4.Locatethesystemboardshieldwindow.See“LocatingmajorFRUsandCRUs”onpage82.
5.Presstheuppermetaltabofthesystemboardshieldwindow,andthenpivotthesystemboardshield
windowtoopenit.
Figure33.Openingthesystemboardshieldwindow
6.Toclosethesystemboardshieldwindow,placethesystemboardshieldwindowonthesystemboard
shield.Pivotthesystemboardshieldwindowuntilthetwometaltabsalignwitheachother,andthen
presstheuppermetaltabtosnapitintotheposition.
7.Goto“Removingthecomputercover”onpage94.
110ThinkCentreEdgeHardwareMaintenanceManual