Operation Manual

Step12.RemovethetwoscrewsthatsecurerearI/Omoduletothebracket1,loosetherearI/Omodule,
thenslideitout.2
Step13.T oinstallthenewrearI/Omodule:
a.LineupthenewI/Omodulewithbracket,theninserttherearI/Omoduleintoposition.
b.SecuretherearI/Omoduletothebracketwiththetwoscrews.
c.ConnectthepowercabletothemotherboardandtheTVantennacable(s)totheTVtunercard.
Step14.ReattachtheEMIcover,middlecover,opticaldrive,standholder,footcoverandstandbase.
Replacingthespeakersystem
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
Toreplacethespeakersystem:
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”.
Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive” .
Chapter8.Replacinghardware43