Lenovo IdeaCentre B520e User Manual download pdf (Page 54)

Step8.Liftupthetouchmodule.

Step9.Disconnectthe3cablesfromthetouchmodule.

Step10.Connectthe3cablestothenewtouchmodule.

Step11.Lineupthenewtouchmoduleandsecureitusingthescrews.

Step12.Reattachthesystemfanandheatsinkmodule.

Step13.ReattachtheEMIcover,backdeco,thecomputercoverandcomputerstand.

Replacingthemotherboard

Note:T urnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

Toreplacethemotherboard:

Step1.Removethememorymodules.Referto“Replacingamemorymodule” .

Step2.Removethecomputercover.Referto“Removingthecomputercover”.

Step3.Removethebackdeco.Referto“Removingthebackdeco”

Step4.Removethecomputerstand.Referto“Removingthecomputerstand” .

Step5.RemovetheEMIcover.Referto“RemovingtheEMIcover” .

Step6.Removethesystemfan.Referto“Replacingthesystemfan” .

Step7.Removetheheatsink.Referto“Replacingtheheatsink” .

Step8.RemovetheCPU.Referto“ReplacingtheCPU” .

Step9.RemovetherearI/Omodule.Referto“ReplacingtherearI/Omodule” .

Step10.RemovetheTVtunercard.Referto“ReplacingtheTVtunercard”.

Step11.RemovetheTVscaleboard.Referto“ReplacingtheTVscaleboard” .

Step12.RemovetheWLANcard.Referto“ReplacingtheWLANcard” .

Step13.Removeallthecablesconnectedtothemotherboard.

Step14.Removethe4screwsthatsecuremotherboardtothechassis.

48IdeaCentreB520eHardwareMaintenanceManual

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Lenovo IdeaCentre B520e User Manual Page 54