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Chapter 6
Upper Cover Assembly
Item
Description
Part Number
1
TouchPad FFC
50.S6802.002
2
Upper Cover
60.N9702.001
3
Power Board
55.S6802.001
1
2
3
Contents
Main
Page
Copyright
Disclaimer
Conventions
Preface
Page
System Specifications 1
System Utilities 19
Machine Disassembly and Replacement 37
Troubleshooting 119
Jumper and Connector Locations 143
FRU (Field Replaceable Unit) List 149
Model Definition and Configuration 164
Test Compatible Components 173
Online Support Information 181 Index 183
Page
System Specifications
Chapter 1
Features
Communication
Privacy control
Special keys and controls
Power
I/O interface
System Block Diagram
Diamondville SC
DDRII-SO-DIMM
Calistoga GSE FCBGA998
Memory BUS(DDRII)
Your eMachines Notebook tour
Front View
Closed Front View
Left View
12 3456
Right View
Rear and Base View
Indicators
TouchPad Basics
Using the Keyboard
Lock Keys and embedded numeric keypad
Windows Keys
Hot Keys
Special Keys
Hardware Specifications and Configurations
Page
Page
Page
Page
Page
System Utilities
Chapter 2
BIOS Setup Utility
Navigating the BIOS Utility
Information
Main
Security
Page
Page
Boot
Exit
BIOS Flash Utility
DOS Flash Utility
Page
Page
Remove HDD/BIOS Password Utilities
Page
Miscellaneous Utilities
Using Boot Sequence Selector
Using DMITools
Example 1: Read DMI Information from Memory
Example 2: Write Product Name to EEPROM
Using the LAN MAC Utility
Page
Page
Machine Disassembly and Replacement
Chapter 3
Disassembly Requirements
Related Information
General Information
Pre-disassembly Instructions
Disassembly Process
External Module Disassembly Process
External Modules Disassembly Flowchart
Page
Page
Page
Page
Page
Page
Removing the 3G Module
Page
Main Unit Disassembly Process
Main Unit Disassembly Flowchart
Page
Page
Removing the Upper Cover
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Removing the Thermal Module
Page
Page
Page
Removing the LCD Module
Page
Page
Page
LCD Module Disassembly Process
LCD Module Disassembly Flowchart
Page
Page
Page
Page
Page
Page
Page
Removing the Antennas
Page
Page
Page
Page
Page
Replacing the LCD Cable and Brackets
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Page
Replacing the Thermal Module
Replacing the Mainboard
Page
Page
Page
Page
Page
Page
Page
Replacing the Upper Cover
Page
Page
Page
Page
Page
Page
Page
Page
Troubleshooting
Chapter 4
Common Problems
Power On Issue
Computer Shuts down Intermittently
No Display Issue
No POST or Video
Abnormal Video Display
Random Loss of BIOS Settings
LCD Failure
Built-In Keyboard Failure
TouchPad Failure
Internal Speaker Failure
Sound Problems
Page
Internal Microphone Failure
Microphone Problems
HDD Not Operating Correctly
USB Failure (Rightside)
Wireless Function Test Failure
3G Function Test Failure
Switch Failure
Thermal Units Failure
Power Button Failure
External Mouse Failure
Other Failures
Intermittent Problems
Undetermined Problems
Page
POST Code Reference Tables
Sec:
Memory:
BDS & Specific action:
Each PEIM entry point used in 80_PORT
Each Driver entry point used in 80_PORT
Page
Page
Each SmmDriver entry point used in 80_PORT
Jumper and Connector Locations
Bottom View
Page
Page
Clearing Password Check and BIOS Recovery
Clearing Password Check
Hardware Open Gap Description
Steps for Clearing BIOS Password Check
BIOS Recovery by Crisis Disk
BIOS Recovery Boot Block:
BIOS Recovery Hotkey:
Steps for BIOS Recovery by USB Flash Crisis Disk:
FRU (Field Replaceable Unit) List
Chapter 6
eMachines eM250 Exploded Diagrams
Main Assembly
Rear Assembly
Page
Page
LCD Assembly
eMachines eM250 FRU List
Page
Page
Page
Page
Page
Screw List
Page
165 Appendix A
eMachines eM250 Series
Model eM250-01G16
Appendix A 166
167 Appendix A
Appendix A 168
169 Appendix A
Model eM250-01G25i
Appendix A 170
171 Appendix A
Model eM250-02G16i
Model eM250-02G25i
Page
Test Compatible Components
Appendix B
Windows 7 Environment Test
Page
Page
Page
Page
Page
Page
Online Support Information
Appendix C
Page
Index
Numerics
A
B
C
K
L
M
N
O
U
V
W