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ThinkPad Edge E525
Lenovo ThinkPad Edge E525 Hardware Maintenance Manual
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3
When
installing:
Befor
e
you
attach
the
fan
assembly
t
o
the
computer
,
apply
thermal
grease,
at
an
amount
of
0.2
grams,
on
the
part
marked
a
as
shown
in
the
following
gures.
Either
t
oo
much
or
too
less
application
of
gr
ease
can
cause
a
thermal
pr
oblem
due
t
o
imperfect
contact
with
a
component.
Y
ou
need
to
peel
the
thin
lm
off
from
the
rubbers
marked
b
.
F
or
models
with
a
discrete
fan
assembly
a
a
b
F
or
models
with
an
integr
ated
fan
assembly
a
a
Chapter
8
.
Removing
and
replacing
a
FRU
83
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Table of Contents
Default Chapter
3
Table of Contents
3
About this Manual
5
Chapter 1. Safety Information
7
General Safety
7
Electrical Safety
8
Safety Inspection Guide
9
Handling Devices that Are Sensitive to Electrostatic Discharge
9
Grounding Requirements
10
Safety Notices (Multilingual Translations)
10
Laser Compliance Statement (Multilingual Translations)
25
Chapter 2. Important Service Information
33
Strategy for Replacing Frus
33
Strategy for Replacing a Hard Disk Drive
34
Important Notice for Replacing a System Board
34
How to Use Error Message
34
Strategy for Replacing Frus for CTO, CMV, and GAV
34
Product Definition
34
FRU Identification for CTO, CMV, and GAV Products
35
Chapter 3. General Checkout
37
What to Do First
37
Checkout Guide
38
System Supporting the Lenovo Thinkvantage Toolbox Program and the PC-Doctor for DOS Diagnostics Program
38
Lenovo Thinkvantage Toolbox
40
Fru Tests
41
System Supporting the Lenovo Diagnostics Programs
42
Uefi Diagnostic Program
43
Bootable Diagnostic Programs
43
Power System Checkout
44
Checking the Ac Power Adapter
44
Checking Operational Charging
45
Checking the Battery Pack
45
Checking the Backup Battery
46
Chapter 4. Related Service Information
47
Restoring the Factory Contents by Using Recovery Disc Set
47
Passwords
48
Power-On Password
48
Hard-Disk Password
48
Supervisor Password
49
How to Remove the Power-On Password
49
How to Remove the Hard-Disk Password
49
Power Management
50
Screen Blank Mode
50
Sleep (Standby) Mode
50
Hibernation Mode
51
Symptom-To-FRU Index
51
Numeric Error Codes
52
Error Messages
52
No-Beep Symptoms
52
LCD-Related Symptoms
53
Intermittent Problems
53
Undetermined Problems
53
Chapter 5. Status Indicators
55
Copyright Lenovo
55
Chapter 6. Special Keys
57
Chapter 7. FRU Replacement Notices
59
Screw Notices
59
Retaining Serial Numbers
60
Restoring the Serial Number of the System Unit
60
Retaining the UUID
61
Reading or Writing the ECA Information
61
Chapter 8. Removing and Replacing a FRU
63
Before Servicing Thinkpad Edge E520 Models
63
1010 Battery Pack
64
1020 Expresscard Blank Bezel
65
1030 Optical Drive or Travel Cover
66
1040 Bottom Slot Cover
67
1050 Memory Modules
68
1060 Hard Disk Drive Assembly
69
1070 PCI Express Mini Card for Wireless LAN
70
1080 PCI Express Mini Card for Wireless WAN for Thinkpad Edge E520 Models
72
1080 Msata Solid State Drive for Thinkpad Edge E520 Models
73
For Access, Remove These Frus in Order: "1010 Battery Pack
73
1090 Backup Battery
74
1040 Bottom Slot Cover
74
1110 Keyboard
75
1120 Top Case Assembly
77
Step Screw (Quantity) M2 × 6 MM, Wafer-Head, Nylon-Coated
78
Color Torque Black 0.181 Nm (1.85 Kgfcm)
78
Removing and Replacing a FRU
79
1130 Bluetooth Daughter Card
80
1140 Express Sub Card
81
1150 Speaker Assembly
82
1160 System Board Assembly and Fan Assembly
83
1170 Cpu
90
1180 DC-In Sub Card and Base Cover Assembly
91
1190 LCD Unit
95
2010 LCD Bezel Assembly
97
2020 Integrated Camera
98
2030 LCD Panel, LCD Cable, LCD Rear Cover Assembly, and Hinges
99
2040 Wireless LAN Antenna Assembly, Wireless WAN Antenna Assembly, and LCD Rear Cover Assembly
101
Chapter 9. Locations
107
Front View
107
Rear View
108
Bottom View
108
Chapter 10. Parts List
109
Overall
110
LCD Frus
124
Keyboard
128
Miscellaneous Parts
129
Ac Power Adapters
129
Power Cords
130
Recovery Discs
131
Windows XP Professional (32 Bit) Dvds
131
Windows 7 Home Basic (32 Bit) Dvds
132
Windows 7 Home Basic (64 Bit) Dvds
132
Windows 7 Home Premium (32 Bit) Dvds
133
Windows 7 Home Premium (64 Bit) Dvds
133
Windows 7 Professional (32 Bit) Dvds
134
Windows 7 Professional (64 Bit) Dvds
135
Common Service Tools
136
Appendix A. Notices
137
Electronic Emission Notices
138
Trademarks
138
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Lenovo ThinkPad Edge E525 Specifications
General
Brand
Lenovo
Model
ThinkPad Edge E525
Category
Laptop
Language
English
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