Lenovo A540 All In One Bedienungsanleitung PDF herunterladen (Seite 43)

Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethebasecover.Referto“Removingthebasecover”.

Step5.Removethehingefromthechassis.Referto“Removingthehingefromthechassis”.

Step6.Removetherearcover.Referto“Removingtherearcover”.

Step7.LiftuptheWi-Ficardtoremoveitfromthesocket.

Step8.DisconnecttheantennacableanddatacablefromtheWi-Ficard.

Step9.ToinstallthenewWi-Ficard:

a.ConnecttheantennacabletothenewWi-Ficard.

b.LineupthenewWi-Ficardwiththesocket,snapitintopositionandsecureitwiththepins.

Step10.ReattachtherearcovertotheLEDpanel.

Step11.Reattachthehingetothechassis,andreconnectthetouchandLEDpanelcablestothe

motherboard.

Step12.Reattachthebasecoverandsecureitwiththescrews.

Replacingthepowerswitchboard

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Toreplacethepowerswitchboard

Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

Chapter7.Replacinghardware37

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Lenovo A540 All In One Bedienungsanleitung Seite 43