Lenovo C440 All-in-One User Manual Page 43
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Step7.Toreattachthestandholder:
a.Aligntheholesonthestandholderwithmountingholesonthechassis,placethestand
holderbackintoposition.
b.Securethestandholdertothechassiswiththefourscrews.
Step8.Lineupthefootcoverwithmountingholesonthebackofthecomputer,thenslideitbackinto
position.
Step9.Reattachthestandbase.
Removingthemiddlecover
Note:Turnoffthecomputerandwait3to5minutestoletitcooldownbeforeremovingthecover.
Note:Itmaybehelpfultoplacethecomputerface-downonasoftatsurfaceforthisprocedure.Lenovo
recommendsthatyouuseablanket,towel,orothersoftclothtoprotectthecomputerscreenfromscratches
orotherdamage.
Toremovethemiddlecover:
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.Removethesixscrewsthatsecurethemiddlecovertothechassis,thenliftupthemiddlecover
fromtheleftside(opticaldriveside)toremovethemiddlecover.
Chapter8.Replacinghardware37
- LenovoC340/440Series 1
- HardwareMaintenanceManual 1
- SecondEdition(May2013)29th 4
- ©CopyrightLenovo2013 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
- 3 7654 8 9 27
- Leftandrightview 28
- Rearview 29
- Hardwarecomponents 30
- Chapter8.Replacinghardware 33
- Replacingthekeyboardandmouse 34
- Replacingtheadapter 34
- .Replacinghardware29 35
- Removingthestandbase 36
- Removingthefootcover 36
- Replacingamemorymodule 37
- 2Allofthememorymodules 38
- Replacingtheharddiskdrive 39
- Replacingtheopticaldrive 40
- Chapter8.Replacinghardware35 41
- Removingthestandholder 42
- Removingthemiddlecover 43
- Replacingtheconverterboard 44
- Replacingthetouchcontrolboard 45
- RemovingtheEMIcover 46
- ReplacingtherearI/Omodule 47
- ReplacingtheTVtunercard 48
- ReplacingtheWLANcard 49
- Replacingthespeakersystem 50
- Replacingthesystemfan 51
- Replacingtheheat-sink 52
- Replacingthecamera 53
- ReplacingtheCPU 54
- Chapter8.Replacinghardware49 55
- Replacingthefrontcontrolboard 57
- Replacingthepowerswitchboard 58
- Replacingthemotherboard 59
- ReplacingtheLEDpanel 60
- Chapter8.Replacinghardware55 61
- LCD jump er he ade r 62
- .Replacinghardware57 63
- Chapter9.FRUlists 65
- .FRUlists61 67
- Chapter10.FRUlists-C440Touch 69
- .FRUlists-C440Touch65 71
- .FRUlists-C440Touch67 73
- .FRUlists-C440Touch69 75
- .FRUlists-C440Touch71 77
- .FRUlists-C440Touch73 79
- Chapter11.Generalinformation 81
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