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Error codes
System Block Diagram
Bluetooth
Password
Power-On Self-Test Post Error
Fail-Safe Timer NMI Failed
Indicators
Removing the Wireless LAN Card
Problems
Access Point
Page 158
Image 158
152
Appendix C
Page 157
Page 159
Page 158
Image 158
Page 157
Page 159
Contents
Aspire 7740 and 7740G Series Service Guide
Revision History
Copyright
Procedures
Gives precautionary measures to
Problems
Following conventions are used in this manual
Preface
Page
Table of Contents
FRU Field Replaceable Unit List 113
Chapter
Features
Below is a brief summary of the computer’s many features
Aspect ratio 17.3 HD+ 1600 x
Integrated Acer Crystal Eye webcam
1024*768 800*600
103-/104-/107-key keyboard Touchpad pointing device
Environment
System Block Diagram
Your Acer Notebook tour
Top View
Hotkeys
Rear View
Closed Front View
Right View
Indicates when the hard disk drive is active
Indicators
Computer has several easy-to-read status indicators
Easy-Launch Buttons
F12
Using the Keyboard
Lock Keys and numeric keypad
Open a text editor or word processor Chapter
Windows Keys
Special Key only for certain models
Windows Mobility Center
Using the System Utilities
Acer GridVista dual-display compatible
Chapter
CPU Fan True Value Table
Hardware Specifications and Configurations
Processor
System Memory
Memory Combinations
Bluetooth Interface
Wireless Module 802.11b/g/n
LAN Module
Vendor & model name
Hard Disk Drive
Optical Disc Drive
US & US+ RW DVD
Blu-Ray Disc Drive
Audio Controller Realtek ALC669X
DVD-RW Non Cprm & Cprm DVD+/-R Dual Blu-Ray
Audio Interface
Yes/2.1 2W speakers
System Board Major Chips
Battery
Video Memory
Keyboard
Input 100-240V~ 1.5A, 50-60Hz Output 19V, 65W/90W, 2-pin
System Power Management
AC Adaptor
Chapter
Bios Setup Utility
System Utilities
Navigating the Bios Utility
Information
Parameter Description
Main
Parameter Description Format/Option
Security
Clear or Set
Setting a Password
Page
Boot
Exit
Bios Flash Utility
Remove HDD Password
Remove HDD Password
This section teaches you how to remove HDD password
Chapter
Machine Disassembly and Replacement
Disassembly Requirements
General Information
Pre-disassembly Instructions
Disassembly Process
Main Screw List
External Module Disassembly Process
External Modules Disassembly Flowchart
Removing the Battery Pack
Removing the Optical Drive Module
Removing the Back Cover
Removing the Hard Disk Drive Module
Pry loose and carefully lift and remove the back cover
Removing the Wireless LAN Card
M2 x L4 Silver Kgf-cm 86.9A552.4R0
Remove the wireless LAN card
Removing the Dimm Module
Remove the Dimm modules Chapter
Main Unit Disassembly Process
Removing the Heatsink Module
Chapter
Removing the CPU
Chapter
Removing the Middle Cover
Removing the Keyboard
Chapter
Removing the LCD Module
Chapter
Remove the four screws B from the left and right hinges
Separating the Upper Case from the Lower Case
Carefully remove the LCD module from the base unit
Page
Size Quantity Color Torque
Removing the Touchpad and Button Boards
Gently lift and detach the upper case from the lower case
Chapter
Page
Size Quantity Color Torque
Page
Removing the Left Speaker
Detach the touchpad board from the upper case
Removing the USB Board Module
Remove the left speaker from the upper board
M2.5 x L4 Black Kgf-cm 86.00H59.734 Chapter
Remove the USB board module from the lower case Chapter
Removing the Modem Board
Removing the Bluetooth Module
Removing the Microphone
Page
Removing the Main Board
Remove the microphone from the system
Page
Remove the one screw G securing the main board in place
Removing the Right Speaker
Remove the right speaker from the lower case
LCD Module Disassembly Process
Removing the LCD Bezel
Removing the LCD panel with the Brackets
Detach the webcam cable from the webcam module
Page
Removing the LCD Brackets
Removing the FPC Cable
Removing the Web Camera
Page
Removing the Antennas
Symptoms Verified Go To
Power-On Self-Test Post Error
External Optical Disk Drive Check
System Check Procedures
External Diskette Drive Check
Keyboard or Auxiliary Input Device Check
Power System Check
Memory Check
Power-On Self-Test Post Error Message
Touchpad Check
Index of Error Messages
Error Code List Error Codes Error Messages
System board Extended RAM Failed at offset nnnn
Error Message List Error Messages FRU/Action in Sequence
System board System RAM Failed at offset nnnn
System board DMA Test Failed
Fail-Safe Timer NMI Failed
Fixed Disk n None Invalid System Configuration Data
Blinking cursor shown on LCD during System board
Phoenix Bios Beep Codes
Code Beeps Post Routine Description
Setup
Code Beeps Post Routine Description
100 Chapter
Power-Related Symptoms Symptom / Error Action in Sequence
Index of Symptom-to-FRU Error Message
LCD-Related Symptoms Symptom / Error Action in Sequence
Speaker-Related Symptoms Symptom / Error Action in Sequence
PCMCIA-Related Symptoms Symptom / Error Action in Sequence
Memory-Related Symptoms Symptom / Error Action in Sequence
Symptom / Error Action in Sequence
Page
Modem-Related Symptoms Symptom / Error Action in Sequence
Intermittent Problems
Undetermined Problems
Chapter 105
Code Connector
Main Board
Optical disk drive connector
Heatsink fan cable connector
DC-in cable connector
HDD1 connector
Clearing Password Check and Bios Recovery
Gap name in Aspire 7740/7740G Series is G29
Bios Recovery by Crisis Disk
Page
110 Chapter
Page
112 Chapter
FRU Field Replaceable Unit List
Exploded Diagram
Aspire 7740/7740G Series FRU List
Aceraspire 7740 UMACBKJV70CP no LX.PLY02.025/44
Cables
CASE/COVER/BRACKET
Combo Module
Heatsink
Keyboard
Standard Black Texture Russian
Mainboard
Speaker
124 Chapter
Appendix a
Appendix a 125
Aspire 7740/7740G Series
Appendix a 126
Appendix a 127
NBDCB4XS
128 Appendix a
Appendix a 129
130 Appendix a
Appendix a 131
132 Appendix a
Appendix a 133
134 Appendix a
Appendix a 135
136 Appendix a
Appendix a 137
138 Appendix a
Appendix a 139
140 Appendix a
Appendix a 141
142 Appendix a
143 Appendix a
Appendix a 144
145 Appendix a
Appendix a 146
Test Compatible Components
Appendix B
Access Point
Hardware Device Tests
Device name Vendor Wireless Printer
Appendix B 149
150
Online Support Information
Appendix C
152
Index
LCD bezel removing 80 LCD Brackets removing
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