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

Step8.Removethetwoscrewsthatsecuretheconverterboardtochassis.
Step9.Disconnectthetwocablesfromtheconverterboard.
Step10.Opentheplasticinsulatingboxandliftuptheconverterboardtoremoveit.
Step11.Toinstallthenewconverterboard:
a.Lineuptheholesonthenewconverterboardwiththemountingholesonthechassisand
secureitwiththetwoscrews.
b.Connectthetwocablestoconnectorsonthenewconverterboard.
c.Closetheplasticinsulatingbox.
d.Reattachthehingetothechassis.
e.Reconnectthebatterycabletotheconnectoronthemotherboard.
Step12.ReattachtheEMIcoverandrearcover.
Replacingthetouchcontrolboard
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthebasecover.
Toreplacethetouchcontrolboard:
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” .
Step7.Removethehinge.Referto“Removingthehinge” .
Chapter8.Replacinghardware37