Step10.Removethe8screwsthatsecurethemotherboardtothechassisandslideitoutasshown.
Step11.Removethe4screwsthatsecurethespeakersystemtothemotherboard.
Step12.Detachthespeakerfromthechassis.
Step13.Toinstallthenewspeakersystem:
a.Attachthenewspeakercabletothechassis.
b.Lineupthemotherboardwiththechassisandslideitintoposition.Aligntheholesonthe
motherboardwiththemountingholesonthechassisandsecureittothechassiswiththe
8screws.
c.Lineupthenewspeakersystemwiththemotherboardandsecureitwiththe4screws.
d.Connectthenewspeakercabletothemotherboard.
Step14.Reattachtheopticaldrive,heat-sink,andharddiskdrivetothemotherboard.
Step15.Reattachthehingetothechassis,andreconnectthetouchandLEDpanelcablestothe
motherboard.
Step16.Reattachthebasecoverandsecureitwiththescrews.
44IdeaCentreA720HardwareMaintenanceManual