Lenovo B50-30 All-in-One User Manual Page 41

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Step5.Removethefootcover.Referto“Removingthefootcover”.
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethestandholder.Referto“Removingthestandholder” .
Step8.Removethemiddlecover.Referto“Removingthemiddlecover .
Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover”.
Step10.DisconnecttheantennacablefromtheTV-Tunercard.
Step11.RemovethescrewthatsecurestheTV-Tunercardtothemotherboard.
Step12.PulltheTV-Tunercardupwardtoremoveitfromthecardportonthemotherboard.
Step13.ToinstallthenewTV-Tunercard:
a.InsertthenotchedendoftheTV-Tunercardintothecardportonthemotherboard.
b.SecurenewtheTV-Tunercardtothemotherboardwiththescrew.
c.ConnecttheantennacabletothenewTV-Tunercard.
Step14.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.
Replacingtheheat-sink
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
Toreplacetheheat-sink:
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.Removethestandbase.Referto“Removingthestandbase” .
Step5.Removethefootcover.Referto“Removingthefootcover”.
Chapter7.Replacinghardware35
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