Owner manual

Step4.Removethestandbase.Referto“Removingthestandbase” .
Step5.Removethefootcover.Referto“Removingthefootcover” .
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Step7.Removethestandholder.Referto“Removingthestandholder”.
Step8.Removethemiddlecover.Referto“Removingthemiddlecover” .
Step9.RemovetheEMIcover.Referto“RemovingtheEMIcover” .
Step10.DisconnecttheantennacablesfromtheWi-Ficard.
Step11.RemovethescrewthatsecurestheWi-Ficardtothemotherboard.
Step12.LiftuptheWi-Ficardtoremoveitfromthesocket.
Step13.ToinstallthenewWi-Ficard:
a.InsertthenotchedendoftheWi-Ficardintothecardportonthemotherboard.
b.SecurenewtheWi-Ficardtothemotherboardwiththescrew.
c.ConnecttheantennacablestothenewWi-Ficard.
Step14.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.
ReplacingtheTVtunercard
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
ToreplacetheTVtunercard
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” .
34LenovoB50–35All-In-OneComputerHardwareMaintenanceManual