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IdeaCentre A520 All-in-One
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Lenovo IdeaCentre A520 All-in-One User Manual Page 24
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18
IdeaCentre
A520
All-In-One
PCHardwar
e
Maintenance
Manual
1
...
23
24
25
...
73
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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