Operation Manual

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” .
Step7.Removethestandholder.Referto“Removingthestandholder”.
Step8.Removethemiddlecover.Referto“Removingthemiddlecover”.
Step9.RemovethetwoscrewsthatsecuretheEMIcovertothechassis1,andthenliftitup.2
Step10.T oreattachtheEMIcover:
a.LineuptheholesontheEMIcoverwithmountingholesonthechassis,thenplaceEMIcover
backintoposition.
b.SecuretheEMIcovertothechassiswithtwoscrews.
Step11.Reattachthemiddlecover,opticaldrive,standholder,footcoverandstandbase.
ReplacingtherearI/Omodule
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
ToreplacetherearI/Omodule
Step1.Removeanymedia(disks,CDs,DVDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Chapter8.Replacinghardware41