2.Removethecomputercover.See“Removingthecomputercover”onpage36.
3.Laythecomputeronitssideforeasieraccesstothesystemboard.
4.RemovethePCIcardholder.See“RemovingandreinstallingthePCIcardholder”onpage38.
5.Yourcomputersupportstwoheatsinkandfanassemblies.Locatetheheatsinkandfanassemblyyou
wanttoreplace.See“Locatingpartsonthesystemboard”onpage12.
6.Dependingontheheatsinkandfanassemblyyouwanttoreplace,dooneofthefollowing:
•Ifyouarereplacingheatsinkandfanassembly2,gotostep7.
•Ifyouarereplacingheatsinkandfanassembly1,dothefollowing:
a.Removetheopticaldrive.See“Replacingtheopticaldrive”onpage43.
b.Pivottheopticaldrivebracketasshowninthefollowingillustrationandthenremoveitfrom
thechassis.
Figure24.Removingtheopticaldrivebracket
7.Disconnecttheheatsinkandfanassemblycablefromthemicroprocessorfanconnectoronthesystem
board.See“Locatingpartsonthesystemboard”onpage12.
Chapter5.Installingorreplacinghardware47
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