Step5.Removethefourscrewsthatsecurethehingebrackettothechassis,andthenliftitup.
Step6.Toreattachthehingefixingbracket:
a.Lineuptheholesonthewithmountingholesonthechassis,thenplacehingefixingbracket
backintoposition.
b.Securethehingefixingbrackettothechassiswiththreescrews.
Step7.Reattachthebackcoverandstand.
Replacingamemorymodule
Attention:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthetouchscreenfromscratches
orotherdamage.
Step1.Removeanymedia(disks,CDs,ormemorycards)fromthedrives,shutdowntheoperating
system,andturnoffthecomputerandallattacheddevices.
Step2.Unplugallpowercordsfromelectricaloutlets.
Step3.Disconnectallcablesattachedtothecomputer.Thisincludespowercords,input/output(I/O)
cables,andanyothercablesthatareconnectedtothecomputer.Referto“Leftandrightviews”
and“Rearview”forhelpwithlocatingthevariousconnectors.
Step4.Removethestandandbackcover.Referto“Removingthestandandbackcover”.
Step5.Removethescrewthatsecuresthememoryshieldingtothemotherboardcover,andthen
removememoryshielding.
36LenovoS40–40HardwareMaintenanceManual
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