Step5.DisconnectthecablefromtheLCDswitchboard,andthenremovethetwoscrewsthatsecure
theLCDswitchboardtothechassis.
Step6.Liftupthetouchcontrolboardtoremoveit.
Step7.Toinstallthenewtouchcontrolboard:
a.Lineuptheholesonthenewtouchcontrolboardwiththemountingholesonthechassis
andsecureitwiththetwoscrews.
b.ConnectthecabletothenewLCDswitchboard.
Step8.Reattachthebackcoverandstandbase.
Removingthehingefixingbracket
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
Toreplacethehingefixingbracket
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.Removethestandandbackcover.Referto“Removingthestandandbackcover”.
Chapter8.Replacinghardware35
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