Lenovo C470 All in One User Manual Page 37
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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.Removethesevenscrewsthatsecurethemiddlecovertothechassis,thenliftupthemiddlecover
fromtheleftside(opticaldriveside)toremovethemiddlecover.
Step9.Toreattachthemiddlecover:
a.Lineupthemiddlecoverwithchassis,thenplacethemiddlecoverback.
b.Securethemiddlecovertothechassiswiththesevenscrews.
Step10.Reattachthestandholder,opticaldrive,footcoverandstandbase.
Replacingtheconverterboard
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftflatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
Toreplacetheconverterboard:
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”.
Chapter7.Replacinghardware31
- MaintenanceManual 1
- LenovoC470All-In-OneComputer 3
- HardwareMaintenanceManual 3
- FirstEdition(May2014)15 4
- ©CopyrightLenovo2014 4
- GS-35F-05925 4
- Contents 5
- Chapter1.Aboutthismanual 7
- Chapter2.Safetyinformation 9
- Safetyinspectionguide 11
- Groundingrequirements 12
- Safetynotices 12
- Chapter2.Safetyinformation7 13
- Chapter3.Generalinformation 15
- Chapter4.GeneralCheckout 17
- Chapter5.UsingtheSetupUtility 19
- Enablingordisablingadevice 21
- Selectingastartupdevice 22
- Chapter6.Symptom-to-FRUIndex 25
- POSTerrorcodes 26
- Undeterminedproblems 26
- Chapter7.Replacinghardware 27
- Replacingthekeyboardandmouse 28
- Replacingtheadapter 28
- .Replacinghardware23 29
- Removingthestandbase 30
- Removingthefootcover 30
- Replacingthememorymodule 31
- Replacingtheharddiskdrive 32
- Chapter7.Replacinghardware27 33
- Removingthestandholder 35
- Removingthemiddlecover 36
- Replacingtheconverterboard 37
- Replacingthetouchcontrolboard 38
- RemovingtheEMIcover 39
- ReplacingtheWLANcard 40
- Replacingtheheat-sink 41
- Replacingthesystemfan 42
- Replacingthespeakersystem 43
- Replacingthefrontcontrolboard 44
- Chapter7.Replacinghardware39 45
- Chapter7.Replacinghardware41 47
- .Replacinghardware43 49
- Replacingthecamera 50
- ReplacingtheLEDpanel 51
- .Replacinghardware47 53
- .Replacinghardware49 55
- Chapter7.Replacinghardware51 57
- Chapter8.Generalinformation 59
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