Lenovo IdeaCentre A520 All-in-One User Manual Page 5
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- Table of contents
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Contents
Chapter1.Aboutthismanual......1
ImportantSafetyInformation..........1
Chapter2.Safetyinformation......3
Generalsafety................3
Electricalsafety...............3
Safetyinspectionguide............5
Handlingelectrostaticdischarge-sensitive
devices..................5
Groundingrequirements............6
Safetynotices................6
Chapter3.Generalinformation.....9
Specications................9
Chapter4.GeneralCheckout.....11
Chapter5.UsingtheSetupUtility...13
StartingtheLenovoBIOSSetupUtilityprogram.13
Viewingandchangingsettings........13
Usingpasswords..............13
Enablingordisablingadevice........15
Selectingastartupdevice..........16
ExitingtheLenovoBIOSSetupUtilityprogram..17
Chapter6.Symptom-to-FRUIndex..19
Harddiskdrivebooterror..........19
PowerSupplyProblems...........19
POSTerrorcodes.............20
Undeterminedproblems...........20
Chapter7.Locatingconnectors,
controlsandcomponents......21
Chapter8.Replacinghardware....27
Generalinformation.............27
Replacingthekeyboardandmouse......28
Replacingthepoweradapter.........28
Removingthebasecover..........30
Replacingtheharddiskdrive.........31
Replacingamemorymodule.........32
Replacingthesystemfan..........33
Replacingtheheat-sink...........34
ReplacingtheCPU.............35
Replacingtheopticaldrive..........37
Replacingthesolidstatedisk.........39
Replacingthemotherboard..........40
Replacingthespeakersystem........43
ReplacingtheTVtunercard.........44
Replacingthebattery............46
Removingthehingefromthechassis......47
Removingtherearcover...........49
Replacingthescalarboard..........50
Replacingthetouchcontrolboard.......51
Replacingtheconverterboard........52
Replacingthepowerswitchboard.......53
ReplacingtheBluetoothmodule........54
ReplacingtheWi-Ficard...........55
Replacingthecamera............56
Replacingthefrontfunctionboard.......56
ReplacingtheLEDpanel...........57
FRUlists.................59
Chapter9.Generalinformation....67
AdditionalServiceInformation........67
©CopyrightLenovo2012
iii
- IdeaCentreA520All-In-OnePC 1
- HardwareMaintenanceManual 1
- FirstEdition(August2012)25th 4
- ©CopyrightLenovo2012 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
- 4 8765 9 27
- 10 11 1312 14 15 27
- Leftandrightview 28
- Rearview 29
- Hardwarecomponents 30
- Chapter8.Replacinghardware 33
- Replacingthekeyboardandmouse 34
- Replacingthepoweradapter 34
- .Replacinghardware29 35
- Removingthebasecover 36
- Replacingtheharddiskdrive 37
- Replacingamemorymodule 38
- Replacingthesystemfan 39
- Replacingtheheat-sink 40
- ReplacingtheCPU 41
- Replacingtheopticaldrive 43
- Replacingthesolidstatedisk 45
- Replacingthemotherboard 46
- .Replacinghardware41 47
- Replacingthespeakersystem 49
- ReplacingtheTVtunercard 50
- Chapter8.Replacinghardware45 51
- Replacingthebattery 52
- Chapter8.Replacinghardware47 53
- Removingtherearcover 55
- Replacingthescalarboard 56
- Replacingthetouchcontrolboard 57
- Replacingtheconverterboard 58
- Replacingthepowerswitchboard 59
- ReplacingtheBluetoothmodule 60
- ReplacingtheWi-Ficard 61
- Replacingthecamera 62
- ReplacingtheLEDpanel 63
- FRUlists 65
- .Replacinghardware61 67
- .Replacinghardware63 69
- .Replacinghardware65 71
- Chapter9.Generalinformation 73
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