9.Installthenewsystemfanassemblybyaligningthenewrubbermountsthatcamewiththenewsystem
fanassemblywiththecorrespondingholesinthechassis,andthenpushtherubbermountsthroughthe
holes.Then,carefullypullonthetipsoftherubbermountsfromthebottomuntilthenewsystemfan
assemblyissecuredinplace.
Figure75.Installingthesystemfanassembly
10.Connectthenewsystemfanassemblycabletothesystemfanconnectoronthesystemboard.See
“Locatingpartsonthesystemboard”onpage109.
11.Reinstalltheheatsinkfanduct.See“Replacingtheheatsinkandfanassembly”onpage130.
12.Reinstalltheharddiskdrive.See“Replacingtheharddiskdrive”onpage120.
13.Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage141
ReplacingthefrontaudioandUSBassembly
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreUserGuide.ToobtainacopyoftheThinkCentreUserGuide,goto:
http://www.lenovo.com/ThinkCentreUserGuides
ThissectionprovidesinstructionsonhowtoreplacethefrontaudioandUSBassembly.
ToreplacethefrontaudioandUSBassembly,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage112.
3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage113.
140ThinkCentreHardwareMaintenanceManual
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