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VI
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233
Aspire 5745 Series
1
Service Guide
1
Revision History
2
Copyright
3
Disclaimer
3
Conventions
4
Table of Contents
10
System Specifications
11
Special Keys and Controls
13
I/O Ports
13
Software
13
Optional Items
14
Warranty
14
Environment
14
System Block Diagram
15
Notebook Tour
16
Closed Front View
17
Left View
17
Right View
18
Base View
19
Indicators
19
TouchPad Basics
20
Using the Keyboard
21
Windows Keys
22
Hot Keys
23
Special Keys
24
System Utilities
33
Information
34
Security
36
Setting a Password
37
Removing a Password
37
Changing a Password
38
BIOS Flash Utility
41
DOS Flash Utility
42
WinFlash Utility
43
Removing BIOS Passwords:
45
Miscellaneous Utilities
46
Using the LAN MAC Utility
47
38 Chapter 2
48
Disassembly Requirements
49
Chapter 3
49
Pre-disassembly Instructions
50
Disassembly Process
51
Removing the Battery Pack
53
Removing the Dummy Card
54
Removing the Base Door
55
46 Chapter 3
56
Removing the DIMM Module
59
Removing the WLAN Module
60
Chapter 3 51
61
Removing the ODD Module
62
Removing the RTC Battery
64
Main Unit Disassembly Process
65
Removing the Keyboard
67
Removing the Upper Cover
69
62 Chapter 3
72
Removing the Switch Board
73
64 Chapter 3
74
Removing the Power Board
75
66 Chapter 3
76
4. Lift the power board away
76
Removing the LCD Module
77
68 Chapter 3
78
Removing the I/O Board
80
Chapter 3 71
81
4. Lift away the I/O board
81
Removing the Bluetooth Module
82
Chapter 3 73
83
Removing the Mainboard
84
Chapter 3 75
85
Removing the Thermal Module
86
Removing the CPU
87
Removing the PCH Thermal Unit
88
80 Chapter 3
90
Removing the LCD Bezel
93
84 Chapter 3
94
Removing the Camera Board
95
Removing the LCD Panel
96
Chapter 3 87
97
5. Lift the LCD panel out
97
88 Chapter 3
98
7. Disconnect the FPC cable
98
Removing the Microphone Cable
99
Removing the Antennas
100
92 Chapter 3
102
LCD Reassembly Procedure
103
Chapter 3 95
105
Replacing the Microphone
106
Replacing the LCD FPC Cable
107
Replacing the LCD Panel
108
Chapter 3 99
109
LCD Panel Assembly M2.5x3 2
109
Replacing the Camera Board
110
Replacing the LCD Bezel
111
102 Chapter 3
112
Chapter 3 103
113
Replace LCD Bezel M2.5*4 2
113
Main Unit Reassembly Process
114
Replacing the CPU
116
Chapter 3 107
117
Replacing the Thermal Module
118
Replacing the Main Board
119
Replacing the I/O Card
120
Chapter 3 111
121
Chapter 3 113
123
Replacing the LCD Module
124
Chapter 3 115
125
116 Chapter 3
126
8. Connect the LVDC cable
126
Replacing the Power Board
127
Replacing the Switch Board
128
Replacing the Upper Cover
129
Chapter 3 121
131
4. Connect the speaker cable
131
122 Chapter 3
132
Replacing the Keyboard
133
124 Chapter 3
134
Replacing the DIMM Module
136
Replacing the Hard Disk Drive
137
128 Chapter 3
138
Replacing the RTC Battery
139
Replacing the ODD Module
140
Chapter 3 131
141
Replacing the Base Door
142
Replacing the Battery
143
Replace the Dummy Card
144
Troubleshooting
145
Power On Issue
146
No Display Issue
147
Random Loss of BIOS Settings
148
LCD Failure
149
Built-In Keyboard Failure
150
TouchPad Failure
151
Internal Speaker Failure
152
Internal Microphone Failure
153
HDD Not Operating Correctly
154
Other Failures
155
Intermittent Problems
156
Undetermined Problems
156
POST Code Reference Tables
157
152 Chapter 4
162
Chapter 5
163
Mainboard Bottom View
164
DIMM Socket Population Rules
165
BIOS Recovery
166
Chapter 6
167
Exploded Diagrams
168
Chapter 6 159
169
Item Description Part Number
169
LCD Assembly
170
FRU List
171
Screw List
178
Appendix A
179
Test Compatible Components
225
Online Support Information
229
223 Index
233
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