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Acer
4253, 4253G
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CHAPTER
3
Machine Maintenance Procedures
Contents
Main
Revision History
Copyright
WARNING:
Conventions
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Page
General information
CHAPTER 1 Hardware Specifications
CHAPTER 2 System Utilities
CHAPTER 3 Machine Maintenance Procedures
CHAPTER 4 Troubleshooting
CHAPTER 5 Jumper and Connector Locations
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Hardware Specifications and Configurations
Features
Operating System
Platform
System Memory
Graphics
S torage Subsystem
Privacy Control
Optical Media Drive
Communication
Dimension and W eight
Power Adapter and Battery
S pecial Keys and Controls
I/O Ports
Optional Items
W arranty
Environment
Software
Notebook Tour
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T ouchpad Basics
Using the Keyboard
Lock Keys
Embedded Numeric Keypad
Windows Keys
Hotkeys
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1-22 Hardware Specifications and Configurations
System Block Diag ra m
TDP~18W
Hudson-M1
SYSTEM DIAGRAM
VGA AMD Seymour XT
Specification Tables
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System Utilities
BIOS Setup Utility
Navigating the BIOS Utility
BIOS
Information
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Main
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Security
Setting a Password
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Removing a Password
Changing a Password
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Boot
Exit
BIOS Flash Utilities
DOS Flash Utility
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Clearing BIOS Passwords
Removing BIOS Passwords
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Miscellaneous Tools
Using DMIT ools
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Using the LAN MAC EEPROM Utility
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Machine Maintenance Procedures
General Information
Recommended Equipment
Maintenance Flowchart
Getting Started
Battery Pack Removal
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Battery Pack Installation
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Keyboard Removal
Keyboard Installation
ODD (Optical Disk Drive) Module Removal
ODD Module Installation
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Lower Cover Installation
DIMM (Dual In-line Memory Module) Module Removal
DIMM Module Installation
WLAN (Wireless Local Area Network) Module Removal
WLAN Module Installation
USB Module Removal
USB Module Installation
R TC Battery Removal
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R TC Battery Installation
Bluetooth Module Removal
Bluetooth Module Installation
Thermal Module Removal
Thermal Module Installation
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HDD (Hard Disk Drive) Module Removal
HDD Module Installation
Mainboard Removal
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Mainboard Installation
LCD (Liquid Crystal Display) Module Removal
LCD Module Installation
S peaker Removal
S peaker Installation
LCD Bezel Removal
LCD Bezel Installation
Camera Module Removal
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LCD Panel Removal
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LCD Bracket Removal
LCD Bracket Installation
L VDS Cable Removal
L VDS Cable Installation
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Troubleshooting
General Information
Power On Issues
Computer Shuts Down Intermittently
No Display Issues
No POST or V ideo
Abnormal Video
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Keyboard Failure
Troubleshooting 4-9
T ouchpad Failure
If the Touchpad fails, perform the following:
Figure 4-5. Touchpad Failure
Internal S peaker Failure
Sound Problems
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Microphone Failure
Troubleshooting 4-13
USB Failure
If the USB fails, perform the following:
Figure 4-8. USB Failure
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Intermittent Problems
Undetermined Problems
Post Codes
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Jumper and Connector Locations
Mainboard Jumper and Connector Locations
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Clearing Password Check and BIOS Recovery
Clearing Password Check
S teps for Clearing BIOS Password Chec k
Clear CMOS Jumper
BIOS Recovery by Crisis Disk
BIOS Recovery Boot Bloc k
BIOS Recovery Hot Key
S teps for BIOS Recovery from USB S torage
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FRU (Field Replaceable Unit) List
Exploded Diagrams
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FRU List
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Screw List
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Model Definition and Configuration
Acer 4255
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Aspire 4253G
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Test Compatible Components
Microsoft Windows 7 Environment Test 0
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Online Support Information
