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7520
Bedienungsanleitung
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64
Chapter 2
1
2
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Aspire 7520/7220 Series
1
Service Guide
1
Revision History
2
Copyright
3
Disclaimer
3
Conventions
4
System Specifications
7
Input devices
8
Communication
8
Dimensions and weight
8
Power subsystem
8
I/O Ports
9
Options and accessories
9
Software
9
Environment
10
System compliance
10
Warranty
10
System Block Diagram
11
Board Layout
12
Your Acer Notebook Tour
14
Closed Front View
15
Left View
16
Right View
17
Rear view
17
Base view
18
Indicators
18
Easy-Launch Buttons
19
Touchpad Basics
20
Using the Keyboard
21
Hot Keys
22
Special Key
23
The US dollar sign
24
Acer Empowering Technology
25
Acer eNet Management
26
Acer ePower Management
27
Battery status
28
Acer eAudio Management
29
Chapter 1 25
31
Acer eLock Management
32
Acer eRecovery Management
33
Acer eSettings Management
34
Using the System Utilities
36
Launch Manager
37
Chapter 1 33
39
System Memory
39
Memory Combinations
39
Second Level Cache
39
36 Chapter 1
42
DVD-Dual Interface
42
Audio Interface
42
Hard Disk Drive Interface
42
Chapter 1 37
43
Chapter 1 39
45
LCD 15.4” inch
45
BIOS Setup Utility
47
System Utilities
47
Navigating the BIOS Utility
48
AS7220 Model BIOS Screens
49
44 Chapter 2
50
Information
51
Advanced
53
Security
54
Setting a Password
55
Removing a Password
56
Changing a Password
56
Chapter 2 51
57
Setup Warning
57
Boot Exit
59
AS7250/G Model BIOS Screens
60
Chapter 2 55
61
Exit Saving Changes
69
64 Chapter 2
70
Chapter 3
71
General Information
72
60 Chapter 3
74
Screw List
74
Removing the Battery Pack
75
Removing the HDD Module
76
Removing the Memory
76
Disassembling the Main Unit
80
Chapter 3 69
83
Disassembling the LCD Module
85
72 Chapter 3
86
Disassembling the HDD Module
87
Disassembling the ODD Module
87
Troubleshooting
89
System Check Procedures
90
Memory check
91
Power System Check
91
Check the Power Adapter
92
Touchpad Check
93
Index of Error Messages
95
82 Chapter 4
96
Error Message List
96
Chapter 4 83
97
Phoenix BIOS Beep Codes
98
Chapter 4 85
99
86 Chapter 4
100
Chapter 4 87
101
Indicator-Related Symptoms
102
Power-Related Symptoms
102
88 Chapter 4
102
LCD-Related Symptoms
102
Intermittent Problems
105
Undetermined Problems
106
Top View
107
Bottom View
108
Chapter 6
109
Aspire 7520/7220 FRU List
110
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