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

Replacingthebatteryfan
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthebasecover.
Toreplacethebatteryfan:
Step1.Removeanymedia(disks,CDs,DVDsormemorycards)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” .
Step7.Removethe3screwsthatsecurethebatteryfantothechassis.
Step8.Disconnectthepowercablefromthemotherboard.
Step9.Liftupthebatteryfantoremoveit.
Step10.Toinstallthenewbatteryfan:
a.Lineupthenewbatteryfanwiththemountingholesonthechassisandplaceitintoposition.
b.Securethenewbatteryfantothechassiswiththe3screws.
c.Connectthenewpowercabletotheconnectoronmotherboard.
d.Reconnectthebatterycabletotheconnectoronthemotherboard.
Step11.ReattachtheEMIcoverandrearcover.
Replacingthespeakersystem
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthebasecover.
Toreplacethespeakersystem:
32IdeaCentreHorizon27All-In-OnePCHardwareMaintenanceManual