Figure62.Removingtheheatsinkandfanassembly
6.Liftthefailingheatsinkandfanassemblyoffthesystemboard.
Notes:
•Youmighthavetogentlytwisttheheatsinkandfanassemblytofreeitfromthemicroprocessor.
•Donottouchthethermalgreasewhilehandlingtheheatsinkandfanassembly.
7.Positionthenewheatsinkandfanassemblyonthesystemboard.Ensurethatthefourscrewsare
alignedwiththeholesinthesystemboard.
Note:Ensurethattheheatsinkandfanassemblycableistowardthemicroprocessorfanconnector
onthesystemboard.
8.Followthefollowingsequencetoinstallthefourscrewstosecurethenewheatsinkandfanassembly.
Donotover-tightenthescrews.
a.Partiallytightenscrew1,thenfullytightenscrew2,andthenfullytightenscrew1.
b.Partiallytightenscrew3,thenfullytightenscrew4,andthenfullytightenscrew3.
9.Connecttheheatsinkandfanassemblycabletothemicroprocessorfanconnectoronthesystem
board.See“Partsonthesystemboard”onpage6.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage97
.
Primaryharddiskdrive
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Read
thisfirst:Importantsafetyinformation”onpageiii
.
Chapter7.Hardwareinstallationandreplacement87
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