Lenovo H30-00 Desktop User Manual Page 46

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Step6.Removethe4screwsthatsecuretheheat-sinktothemotherboard.
Step7.Liftuptheheat-sinktoremoveit.
Step8.Installthenewheat-sink
a.Lineupthescrewsonthenewheat-sinkwithmountingholesonthemotherboardandsecure
itwiththe4screws.
b.Reattachthemicroprocessorfantotheheat-sink.
c.Reconnectthemicroprocessorfanpowercabletotheconnectoronthemotherboard.
Step9.Reattachthecomputercover.
ReplacingtheWi-Ficard
Note:Forthisprocedure,ithelpstolaythecomputerflat.
ToreplacetheWi-Ficard:
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.Removethegraphiccard.Referto“Replacingthegraphiccard” .
40LenovoH30SeriesHardwareMaintenanceManual
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