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Lenovo C50-30 Specifications Page 37
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Step
8.
Remove
the
seven
scr
ews
that
secure
the
middle
cover
to
the
chassis,
then
Step
9.
The
middle
cover
is
pinned
to
the
rear
deco,
use
a
plastic
spudger
to
r
elease
the
middle
cover
as
shown.
Chapter
7
.
Replacing
har
dware
31
1
2
...
32
33
34
35
36
37
38
39
40
41
42
...
64
65
HardwareMaintenanceManual
1
FirstEdition(November2014)3rd
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
Replacingthepowercord
28
Removingthestandbase
29
Removingthefootcover
30
Replacingthememorymodule
31
Replacingtheharddiskdrive
32
Replacingtheopticaldrive
33
Removingthestandholder
35
Removingthemiddlecover
36
.Replacinghardware31
37
Replacingtheconverterboard
38
RemovingtheEMIcover
39
ReplacingtheWi-Ficard
40
Replacingtheheat-sink
41
Replacingthesystemfan
43
Replacingthespeakersystem
44
Replacingthepowerswitchboard
45
Replacingthemotherboard
46
Chapter7.Replacinghardware41
47
Replacingthecamera
49
ReplacingtheLEDpanelmodule
50
Chapter7.Replacinghardware45
51
Chapter7.Replacinghardware47
53
Chapter8.FRUlists
55
.FRUlists51
57
.FRUlists53
59
.FRUlists55
61
.FRUlists57
63
Chapter9.Generalinformation
65
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