Personal Computer User Manual

11.Lowerthedrivebayassembly.See“Accessingthesystemboardcomponentsanddrives”onpage34.
12.Reinstallthefrontbezel.See“Removingandreinstallingthefrontbezel”onpage32.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage60
.
Replacingthesystemfanassembly
Attention:Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Important
safetyinformation”onpagev
.
Thissectionprovidesinstructionsonhowtoreplacethesystemfanassembly.
Toreplacethesystemfanassembly,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Removethecomputercover.See“Removingthecomputercover”onpage32.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage32.
4.Pivotthedrivebayassemblyupwardtogainaccesstothesystemfanassembly.See“Accessingthe
systemboardcomponentsanddrives”onpage34.
5.Removetheharddiskdriveforeasieraccesstothesystemfanassembly.See“Replacingthehard
diskdrive”onpage40.
6.Removetheheatsinkfanduct.See“Replacingtheheatsinkandfanassembly”onpage46.
7.Notethecableroutinganddisconnectthesystemfanassemblycablefromthesystemfanconnectoron
thesystemboard.See“Locatingpartsonthesystemboard”onpage11.
8.Thesystemfanassemblyisattachedtothechassisbyfourrubbermounts.Removethesystemfan
assemblybycuttingtherubbermountsandliftingthesystemfanassemblyoutofthechassis.
Note:Thenewsystemfanassemblywillhavefournewrubbermountsattached.
Chapter5.Installingorreplacinghardware57