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Troubleshooting, same operation. - disassembly guide

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Chapter 4 Troubleshooting Please use the following procedures as a guide for computer problems. NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or modified options may occur errors or invalid responses. 1. Obtain the detailed fail symptoms as many as possible. 2. Verify the symptoms by attempting to recreate, running the diagnostic tests or repeating the same operation. 3. Disassemble and assemble the unit without any power sources. 4. If any problem occurs, you can perform visual inspection before you fellow this chapter's instructions. You can check the following: T Power cords are properly connected and secured; T There are no obvious shorts or opens; T There are no obviously burned or heated components; T All components appear normal. Chapter 4 76

Section	Page
Cover	1
Revision History	2
Copyright	3
Disclaimer	4
Conventions	5
Preface	6
TOC	7
System Specification	10
Features	10
Platform	10
System Memory	10
Display	10
Graphics	10
Storage Subsystem	11
Optical media drive	11
Communication	11
I/O Interface	11
Power Subsystem	12
Dimensions and Weight	12
Environment	12
Block Diagram	13
Outlook Tour	14
Front View	14
Closed Front View	15
Left View	16
Right View	16
Rear View	17
Base View	17
Using the Keyboard	19
Lock keys and Embedded Numeric Keypad	19
Windows keys	20
Hotkeys	20
Special keys	21
Indicators	23
Easy-launch Buttons	24
Touchpad	25
Touchpad Basics	25
Acer Empowering Technology	27
Acer eDataSecurity Management	28
Acer eLock Management	30
Acer ePerformance Management	31
Acer eRecovery Management	32
Acer eSettings Management	33
Acer eNet Management	34
Acer ePower Management	36
Acer ePresentation Management	38
Acer OrbiCam	39
Using the System Utilities	45
Acer GridVista (dual-display compatible)	45
Launch Manager	46
Norton AntiVirus	47
How do I check for viruses?	47
Hardware Specification and Configuration	48
System Utilities	57
BIOS Setup Utility	57
Information	58
Main	59
Security	61
Set Supervisor/User Password	62
Characters 0-9,A-Z (not case sensitive)	62
Boot	64
Exit	65
Machine Disassembly and Replacement	66
General Information	66
Before You Begin	66
Disassembly Procedure Flowchart	67
Disassembly Procedure	69
Removing the Battery Pack	69
Removing the HDD Module	69
Removing the Wireless LAN Card and the RAM Modules	70
Removing the Keyboard	72
Separating the LCD Module and Main Unit	73
Disassembling the Main Unit	74
LCD Disassembly	81
Troubleshooting	86
System Check Procedures	87
External Diskette Drive Check	87
External CD-ROM Drive Check	87
Keyboard or Auxiliary Input Device Check	87
Memory Check	88
Power System Check	88
Check the Power Adaptor	88
Check the Battery Pack	89
Touchpad Check	89
Power-On Self-Test (POST) Error Message	91
Index of Error Messages	92
Error Message List	92
Phoenix BIOS Beep Codes	93
Index of Symptom-to-FRU Error Message	98
Intermittent Problems	102
Undetermined Problems	103
Jumper and Connector Location	104
Top View	104
Bottom View	106
Switch Setting	107
Password Bypassing & BIOS Recovery	108
FRU (Field Replaceable Unit) List	110
Exploded Diagram	111
Parts	112
Model Definition and Configuration	125
Microsoft® Windows® XP Pro Environment Test	137

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