Lenovo computer hardware 9421 Manual

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480 Pages English

Lenovo computer hardware 9421
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480
Replacingtherearfanassembly
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe"Importantsafetyinformation"
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:http://www.lenovo.com/support
Thissectionprovidesinformationonhowtoremoveandreplacethesystemfan.
Toremoveorreplacethesystemfan,dothefollowing:
1.Removethecomputercover.See"Removingthecover"onpage68.
2.Locatetherearfanassembly.Disconnecttherearfancablefromthesystemfanconnectoronthesystem
board.See"Locatingpartsonthesystemboard"onpage71
.
3.Therearfanassemblyismountedwithfourrubbermountsthatprotrudethroughtherearofthechassis.
Removethefanassemblybypullingtherubbermountsbackthroughthechassis.
4.Installthenewrearfanassemblybyaligningtherubbermountsofthesystemfanassemblywiththe
holesonthechassisandpushtherubbermountsthroughtheholes.
5.Pullonthetipsoftherubbermountsuntilthefanassemblyisinplace.
86ThinkCentreHardwareMaintenanceManual
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