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

Step7.DisconnecttheantennacableanddatacablefromtheWi-Ficard.
Step8.RemovethescrewthatsecurestheWi-Ficardtothemotherboard.PulltheWi-Ficardupwardto
removeitfromthecardport.
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Step9.ToinstallthenewWi-Ficard:
a.LineupthenewWi-Ficardwiththecardport,insertthecardintopositionandsecureit
withthescrew.
b.ReconnecttheantennaanddatacabletothenewWi-Ficard.
c.Reconnectthebatterycabletotheconnectoronthemotherboard.
Step10.ReattachtheEMIcoverandrearcover.
ReplacingtheTVtunercard
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthebasecover.
ToreplacetheTVtunercard:
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” .
42IdeaCentreHorizon27All-In-OnePCHardwareMaintenanceManual