Lenovo K450e Desktop User Manual download pdf (Page 36)

Step6.Removethe4screwsthatsecurethemicroprocessorfantotheheat-sinkandliftupthe

microprocessorfantoremoveit.

Step7.Toinstallthenewmicroprocessorfan:

a.Lineupthenewmicroprocessorfanwiththeheat-sinkandsecureittotheheat-sinkwith

4screws.

b.Connectthemicroprocessorfanpowercabletotheconnectorontheboard.

Step8.Reattachthecomputercover.

Replacingtheheat-sink

Note:Forthisprocedure,ithelpstolaythecomputerﬂat.

Toreplacetheheat-sink:

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethecomputercover.Referto“Removingthecomputercover”.

Step5.Removethemicroprocessorfan.Referto“Replacingthemicroprocessorfan”.

Step6.Removethe4screwsthatsecuretheheat-sinktothemotherboard.

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Lenovo K450e Desktop User Manual Page 36