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Aspire 4540 Series
Acer Aspire 4540 Series User Manual
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11
6
Chapter 3
Replacing the Upper Cover
W
ARNING:
Care must be taken when replacing
the Upper Co
ver to prevent damage or stress to the surface.
1.
Place the Upper Cover on the Lower Cover
, to
p right side first, and lower it into place.
2.
S
tarting with the sides, press down all around the perimeter
of the cover to secure it in place.
125
127
Table of Contents
Table of Contents
7
Default Chapter
2
Revision History
2
System Specifications
11
Features
11
Dimensions and Weight
12
Power Subsystem
12
Privacy Control
12
Special Keys and Controls
12
System Block Diagram
14
Your Acer Notebook Tour
15
Front View
15
Closed Front View
16
Left View
17
Rear View
18
Right View
18
Bottom View
19
Easy-Launch Buttons
19
Touchpad Basics (with Fingerprint Reader)
20
Using the Keyboard
21
Lock Keys and Embedded Numeric Keypad
21
Windows Keys
22
Special Key
23
Using the System Utilities
23
Acer Gridvista (Dual-Display Compatible)
24
Hardware Specifications and Configurations
25
System Utilities
33
BIOS Setup Utility
33
Navigating the BIOS Utility
33
Information
34
Main
35
Security
36
Removing a Password
37
Setting a Password
37
Changing a Password
38
Boot
39
Exit
40
BIOS Flash Utilities
41
DOS Flash Utility
42
Winflash Utility
44
Remove HDD/BIOS Password Utilities
46
Miscellaneous Utilities
48
Using the Lan Mac Eeprom Utility
49
Machine Disassembly and Replacement
51
Disassembly Requirements
51
General Information
52
Disassembly Process
52
Pre-Disassembly Instructions
52
External Module Disassembly Process
53
External Modules Disassembly Flowchart
53
Removing the Battery Pack
54
Removing the SD Dummy Card
55
Removing the Lower Covers
56
Removing the WLAN Module
58
Removing the DIMM Modules
60
Removing the Hard Disk Drive Module
61
Removing the Optical Disk Drive Module
63
Main Unit Disassembly Process
65
Main Unit Disassembly Flowchart
65
Removing the Hinge Covers
66
Removing the Switch Cover
67
Removing the Keyboard
69
Removing the Speaker Module
70
Removing the LCD Module
72
Removing the Upper Cover
77
Removing the Finger Print Reader
80
Removing the Touchpad Bracket
82
Removing the RTC Battery
84
Removing the Bluetooth Module
85
Removing the USB Board
87
Removing the Modem Module
88
Removing the Mainboard
90
Removing the RJ-11 Port
91
Removing the Thermal Module
93
Removing the CPU
95
LCD Module Disassembly Process
96
LCD Module Disassembly Flowchart
96
Removing the LCD Bezel
97
Removing the Camera Module
99
Removing the LCD Panel
100
Removing the LCD Brackets and FPC Cable
102
Removing the Antennas
103
Removing the MIC Module
104
LCD Module Reassembly Procedure
105
Replacing the Antennas
105
Replacing the MIC Module
105
Replacing the LCD Panel
108
Replacing the Camera Module
110
Replacing the LCD Bezel
111
Main Module Reassembly Procedure
112
Replacing the CPU
112
Replacing the Thermal Module
113
Replacing the RJ-11 Port
115
Replacing the Mainboard
116
Removing the RTC Battery
118
Replacing the USB Board
118
Replacing the Bluetooth Board
119
Replacing the Modem Module
121
Replacing the Touchpad Bracket
122
Replacing the Finger Print Reader
124
Replacing the Upper Cover
126
Replacing the LCD Module
129
Replacing the Speaker Module
133
Replacing the Keyboard
134
Replacing the Switch Cover
136
Replacing the Hinge Covers
138
External Module Reassembly Process
139
Replacing the ODD Module
139
Replacing the Hard Disk Drive Module
140
Replacing the DIMM Modules
142
Replacing the WLAN Module
142
Replacing the Lower Covers
144
Replacing the SD Dummy Card
144
Replacing the Battery
145
Troubleshooting
147
Default Chapter
147
Common Problems
147
Power on Issue
148
No Display Issue
149
Random Loss of BIOS Settings
150
Built-In Keyboard Failure
151
LCD Failure
151
Internal Keyboard Failure
151
Internal Speaker Failure
152
Touchpad Failure
152
Sound Problems
153
Internal Microphone Failure
154
HDD Not Operating Correctly
155
ODD Failure
156
Modem Function Failure
159
USB Failure (Rightside)
159
Modem Failure
159
Bluetooth Function Failure
160
Wireless Function Failure
160
Rightside USB Failure
159
Bluetooth Failure
160
Easytouch Button Failure
161
Media Board Failure
161
Fingerprint Reader Failure
162
Wlan/Wimax Failure
160
Finger Print Reader Failure
162
Thermal Unit Failure
162
External Mouse Failure
163
Other Failures
163
Other Functions Failure
163
Intermittent Failures
164
Intermittent Problems
164
Undetermined Failures
164
Undetermined Problems
164
POST Codes Tables
165
Memory
165
Sec
165
BDS & Specific Action
166
Each Driver Entry Point Used in 80_PORT
167
Each PEIM Entry Point Used in 80_PORT
167
Each Smmdriver Entry Point Used in 80_PORT
170
Jumper and Connector Locations
171
Top View
171
Bottom View
172
LS-4494P Fingerprint Board
173
LS-4495P USB Board
173
Clearing Password Check and BIOS Recovery
173
Clearing Password Check
174
BIOS Recovery by Crisis Disk
175
FRU (Field Replaceable Unit) List
177
Aspire 4540/4240 Exploded Diagrams
178
Main Module
178
Base
179
Aspire 4540/4240 FRU List
180
Screw List
188
Model Definition and Configuration
190
Aspire 4540/4240 Series
190
Test Compatible Components
209
Microsoft® Windows® 7 Environment Test
210
Online Support Information
221
Index
223
4
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Acer Aspire 4540 Series Specifications
General
Brand
Acer
Model
Aspire 4540 Series
Category
Laptop
Language
English
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