Lenovo IdeaCentre A720 Bedienungsanleitung PDF herunterladen (Seite 52)

Step13.PulltheTV-Tunercardupwardtoremoveitfromthecardportonthemotherboard.

Step14.ToinstallthenewTV-Tunercard:

a.InsertthenotchedendoftheTV-Tunercardintothecardportonthemotherboard.

b.SecurenewtheTV-Tunercardtothemotherboardwiththe2screws.

c.Connecttheantennacable(s)tothenewTV-Tunercard.

Step15.Lineupmotherboardwiththechassisandslideitintoposition.Aligntheholesonthemotherboard

withthemountingholesonthechassisandsecureittothechassiswiththescrews.

Step16.Reattachtheopticaldrive,heat-sink,andharddiskdrivetothemotherboard.

Step17.Reattachthehingetothechassis,andreconnectthetouchandLEDpanelcablestothe

motherboard.

Step18.Reconnectallthecablesbacktothemotherboard.

Step19.Reattachthebasecoverandsecureitwiththescrews.

Replacingthebattery

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Toreplacethebattery

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.Removethebasecover.Referto“Removingthebasecover” .

Step5.Removetheharddiskdrive.Referto“Replacingtheharddiskdrive” .

Step6.Removetheheat-sink.Referto“Replacingtheheat-sink” .

Step7.Removetheopticaldrive.Referto“Replacingtheopticaldrive”.

Step8.Removethehingefromthechassis.Referto“Removingthehingefromthechassis” .

Step9.Removeallthecablesconnectedtothemotherboard.

46IdeaCentreA720HardwareMaintenanceManual

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Lenovo IdeaCentre A720 Bedienungsanleitung Seite 52