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.
Step7.Liftuptheheat-sinktoremoveit.
Step8.Installthenewheat-sink：
a.Lineupthescrewsonthenewheat-sinkwithmountingholesonthemotherboardandsecure
itwiththe4screws.
b.Reattachthemicroprocessorfantotheheat-sink.
c.Reconnectthemicroprocessorfanpowercabletotheconnectoronthemotherboard.
Step9.Reattachthecomputercover.
ReplacingtheWi-Ficard
Note:Forthisprocedure,ithelpstolaythecomputerat.
ToreplacetheWi-Ficard:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
38LenovoH515sHardwareMaintenanceManual
