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4.Pivotthetwoplasticretainingclipsthatsecuretheheatsinkfanductoutward.Then,removetheheat
sinkfanductfromthefailingheatsinkandfanassembly.
Figure52.Removingtheheatsinkfanduct
5.Disconnecttheheatsinkandfanassemblycablefromthemicroprocessorfanconnectoronthesystem
board.
6.Followthefollowingsequencetoremovethefourscrewsthatsecuretheheatsinkandfanassembly
tothesystemboard:
a.Partiallyremovescrew1,thenfullyremovescrew2,andthenfullyremovescrew1.
b.Partiallyremovescrew3,thenfullyremovescrew4,andthenfullyremovescrew3.
Note:Carefullyremovethefourscrewsfromthesystemboardtoavoidanypossibledamagetothe
systemboard.Thefourscrewscannotberemovedfromtheheatsinkandfanassembly.
Figure53.Removingtheheatsinkandfanassembly
Chapter7.Installingorreplacinghardware75