Step6.Removetheopticaldrive.Referto“Replacingtheopticaldrive”.
Step7.Removethestandholder.Referto“Removingthestandholder” .
Step8.Removethemiddlecover.Referto“Removingthemiddlecover”.
Step9.Disconnectthetwocablesfromtheconverter,andthenremovethetwoscrewsthatsecurethe
converterboardtothechassis.
Step10.Liftuptheconverterboardtoremoveit.(换图)
Step11.Toinstallthenewconverterboard:
a.Lineuptheholesonthenewconverterboardwiththemountingholesonthechassisand
secureitwiththetwoscrews.
b.Connectthetwocablestothenewconverterboard.
Step12.Reattachthemiddlecover,opticaldrive,standholder,footcoverandstandbase.
Replacingthetouchcontrolboard
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
Toreplacethetouchcontrolboard:
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”.
Step7.Removethestandholder.Referto“Removingthestandholder” .
Step8.Removethemiddlecover.Referto“Removingthemiddlecover”.
32LenovoC470All-In-OneComputerHardwareMaintenanceManual
Comments to this Manuals