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

Step13.Removeallthecablesconnectedtothemotherboard.
Step14.Removetheninescrewsthatsecurethemotherboardtothechassisandliftupthemotherboardto
removeit.
Step15.Toinstallthenewmotherboard:
a.Insertthebattery(CR2032)intothesocketwiththesidelabeled“+”facingup,andpress
thebatteryintoplace.
b.InsertthenotchedendoftheTV-Tunercardintothecardportonthenewmotherboardand
secureitwiththetwoscrews.
c.Connecttheantennacable(s)totheWi-Ficard.
d.InsertthenotchedendoftheWi-Ficardintothecardportonthenewmotherboardand
secureitwiththescrew.
e.Connecttheantennacable(s)totheTV-Tunercard.
f.Insertthenotchedendofthesolidstatedriveintothecardportonthenewmotherboard
andsecureitwiththetwoscrews.
g.Attachtheheat-sinkmodules,systemfansandmemorymodulestothemotherboard.
h.Aligntheholesonthenewmotherboardwiththemountingholesonthechassisandsecure
ittothechassiswiththescrews.
i.Attachthespeakersystemtothemotherboard.
j.Connectallthecablestothenewmotherboard.
Step16.ReattachtheEMIcoverandrearcover.
ReplacingtheLEDpanel
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthebasecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
ToreplacetheLEDpanel:
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
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