Lenovo IdeaCentre Q190 Desktop Manual do Utilizador descarregar pdf (Página 38)

Step5.Disconnectthe2antennacablesfromtheWLANcard.1

Step6.RemovethescrewthatsecurestheWLANcardtothemotherboard.2

Step7.PulltheWLANcardupwardtoremoveitfromthecardport.

Step8.LineupthenewWLANcard,theninsertitintothecardportandsecureittothemotherboard

withthescrew.

Step9.Connectthe2antennacablestothenewWLANcard.

Step10.Reattachthecomputercover.

Replacingtheheat-sink

Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.

Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo

recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches

orotherdamage.

Toreplacetheheat-sink:

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

system,andturnoffthecomputerandallattacheddevices.

Step2.Unplugallpowercordsfromelectricaloutlets.

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

cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightview”

and“Rearview”forhelpwithlocatingthevariousconnectors.

Step4.Removethecomputercover.Referto“Removingthecomputercover”.

Step5.Removethesystemfan.Referto“Replacingthesystemfan”.

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Lenovo IdeaCentre Q190 Desktop Manual do Utilizador Página 38