IdeaCentre Horizon 27 All-In-One PC Hardware Maintenance Manual

Step8.Removetheeightscrewsthatsecuretheheat-sinkmoduletothemotherboard.
Step9.Liftuptheheat-sinkmoduletoremoveit.
Attention:Placetheheat-sinkupsidedownonaatsurfacetopreventthermalgreasefromcontaminating
othercomponents.
Step10.Toinstallthenewheat-sinkmodule:
a.UseanalcoholpadtowipethethermalgreaseofftheCPU.
b.Lineupthenewheat-sinkwithmountingholesonthemotherboard.
c.Securethenewheat-sinktothemotherboardwiththeeightscrews.
d.Attachthesystemfanstothenewheat-sinkandsecureitwiththescrews.
e.Reconnectthebatterycabletotheconnectoronthemotherboard.
Step11.ReattachtheEMIcoverandrearcover.
Removingthehinge
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthebasecover.
Toremovethehinge:
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.Removetherearcover.Referto“Removingtherearcover”.
Step5.RemovetheEMIcover.Referto“RemovingtheEMIcover” .
Step6.Disconnectthebatterycablefromtheconnectoronmotherboard.Referto“Replacingthebattery” .
Chapter8.Replacinghardware35