Lenovo M73 Guia do Utilizador Página 71

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CAUTION:
Theheatsinkandfanassemblymightbeveryhot.Beforeyouopenthecomputercover,turnoffthe
computerandwaitseveralminutesuntilthecomputeriscool.
Toreplacetheheatsinkandfanassembly,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage40.
3.Pivotthedrivebayassemblyupward.Then,pivotthetwoplasticretainingclipsoutwardtoremove
theheatsinkfanductfromthefailingheatsinkandfanassembly.
Figure38.Removingtheheatsinkfanduct
4.Disconnecttheheatsinkandfanassemblycablefromthemicroprocessorfanconnectoronthesystem
board.See“Locatingpartsonthesystemboard”onpage13
.
Chapter5.Installingorreplacinghardware59
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