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Acer Aspire 5020 Aspire 5020 Service Guide - Page 58

Disassembling the Lower Case Assembly, Remove two hex screws holding the main board on the rear side.

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3. Detach the touchpad bracket carefully. 4. Then detach the touchpad from the touchpad bracket. Disassembling the Lower Case Assembly 1. Disconnect the bluetooth cable then remove the bluetooth module. 2. Disconnect the speaker set cable from the main board. 3. Remove two screws fastening the main board to the lower case. 4. Remove three screws fastening the fan to the lower case. 5. Remove two hex screws holding the main board on the rear side. 6. Then take out the main board from the lower case carefully. 7. Disconnect the fan cable then remove it. 52 Chapter 3

Section	Page
Features	7
System Block Diagram	9
Board Layout	10
Top View	10
Bottom View	11
An Aspire tour	13
Front View	13
Closed Front View	14
Left View	15
Right View	15
Rear Panel	16
Bottom Panel	17
Indicators	17
Launch Keys	18
Touchpad	19
Touchpad Basics	19
Using the Keyboard	21
Lock Keys and embedded mumeric keypad	21
Windows Keys	21
Hot Keys	22
Special Key	23
Hardware Specifications and Configurations	25
BIOS Setup Utility	35
Navigating the BIOS Utility	36
Information	37
Main	38
Advanced	40
Security	42
Boot	46
Exit	47
BIOS Flash Utility	48
General Information	50
Before You Begin	50
Disassembly Procedure Flowchart	51
Removing the Battery Pack	53
Removing the Memory/the HDD Module/the Wireless LAN Card/the ODD Module and the LCD Module	54
Removing the Memory and the HDD Module	54
Removing the Wireless LAN Card	54
Removing the ODD Module	55
Removing the LCD Module	55
Disassembling the Main Unit	57
Separate the Main Unit Into the Upper and the Lower Case Assembly	57
Disassembling the Upper Case Assembly	57
Disassembling the Lower Case Assembly	58
Disassembling the LCD Module	61
Disassembling the External Modules	62
Disassembling the HDD Module	62
System Check Procedures	64
External Diskette Drive Check	64
External CD-ROM Drive Check	64
Keyboard or Auxiliary Input Device Check	64
Memory check	65
Power System Check	65
Touchpad Check	67
Power-On Self-Test (POST) Error Message	68
Index of Error Messages	69
Phoenix BIOS Beep Codes	72
Index of Symptom-to-FRU Error Message	76
Intermittent Problems	79
Undetermined Problems	80
Top View	81
Bottom View	83
Aspire 3020/5020 Exploded Diagram	86

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