Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage118.
Replacingthefrontfanassembly
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstanding“ImportantSafetyInformation”
onpage1.
Thissectionprovidesinstructionsonhowtoreplacethefrontfanassembly.
Note:Thefrontfanassemblyisonlyavailableinsomemodels.
Toreplacethefrontfanassembly,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage86.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage87.
4.Disconnectthefrontfanassemblycablefromthepowerfanconnectoronthesystemboard.See
“Locatingpartsonthesystemboard”onpage74.
5.Thefrontfanassemblyisattachedtothechassisbyfourrubbermounts.Removethefrontfanassembly
bybreakingorcuttingtherubbermountsandgentlypullingthefrontfanassemblyoutofthechassis.
Note:Thenewfrontfanassemblywillhavefournewrubbermountsattached.
Figure28.Removingthefrontfanassembly
6.Installthenewfrontfanassemblybyaligningthenewrubbermountswiththecorrespondingholesin
thechassisandpushtherubbermountsthroughtheholes
Chapter10.ReplacingFRUs(formachinetypes:2551,2552,2553,2554,and2555)99