a.Partiallyremovescrew1,fullyremovescrew3,andthenfullyremovescrew1.
b.Partiallyremovescrew2,fullyremovescrew4,andthenfullyremovescrew2.
8.Carefullylifttheheatsinkassemblyoffthesystemboard.Placetheheatsinkassemblyonitssideon
aclean,atsurface.
9.Releasethemicroprocessorretentionlatch1bypressingdownontheend,movingittotheside,
andreleasingittotheopenposition.
10.Openthemicroprocessorbracketframe2byliftingupthetabonthetopedge.Keepthebracket
frameintheopenposition.
11.Carefullyliftthemicroprocessor1straightupandoutofthesocket,andplaceitonastatic-protective
surface.
86ThinkCentreHardwareMaintenanceManual