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Acer Aspire 7740G Acer Aspire 7740, Aspire 7740G Notebook Series Service Guide - Page 127

Keyboard 103keys Nsk-ala0j Ac7t Jv50 Internal 17

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Category KEYBOARD Chapter 6 No. Part Name 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE HUNGARIAN 1 KEYBOARD 103KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE RUSSIAN 1 KEYBOARD 103KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE RUSSIAN 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE SPANISH 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE SPANISH 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE TURKISH 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE TURKISH 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE UK 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE UK 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE SWEDISH 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE SWEDISH 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE CZECH/SLOVAK 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE CZECH/SLOVAK 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE BELGIAN 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE BELGIAN 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE BRAZILIAN PORTUGUESE 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE BRAZILIAN PORTUGUESE 1 KEYBOARD 103KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE US-INTERNATIONAL 1 KEYBOARD 103KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE US-INTERNATIONAL 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE SLOVE 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE SLOVE 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE NORDIC 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE NORDIC 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE FRENCH ARABIC 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE FRENCH ARABIC 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE FRENCH CANADIAN 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE FRENCH CANADIAN Acer Part No. KB.I170A.042 KB.I170A.048 KB.I170A.048 KB.I170A.050 KB.I170A.050 KB.I170A.054 KB.I170A.054 KB.I170A.055 KB.I170A.055 KB.I170A.051 KB.I170A.051 KB.I170A.035 KB.I170A.035 KB.I170A.033 KB.I170A.033 KB.I170A.034 KB.I170A.034 KB.I170A.056 KB.I170A.056 KB.I170A.049 KB.I170A.049 KB.I170A.045 KB.I170A.045 KB.I170A.038 KB.I170A.038 KB.I170A.058 KB.I170A.058 121

Section	Page
Features	9
System Block Diagram	12
Your Acer Notebook tour	13
Top View	13
Hotkeys	14
Closed Front View	15
Rear View	15
Left View	15
Right View	16
Base View	16
Indicators	17
Easy-Launch Buttons	17
Touchpad Basics	17
Using the Keyboard	18
Lock Keys and numeric keypad	18
Windows Keys	19
Special Key (only for certain models)	19
Windows Mobility Center	20
Using the System Utilities	21
Acer GridVista (dual-display compatible)	21
Hardware Specifications and Configurations	23
BIOS Setup Utility	31
Navigating the BIOS Utility	32
Information	33
Main	34
Security	35
Boot	38
Exit	39
BIOS Flash Utility	40
Remove HDD Password	41
Disassembly Requirements	43
General Information	44
Pre-disassembly Instructions	44
Disassembly Process	44
External Module Disassembly Process	45
External Modules Disassembly Flowchart	45
Removing the Battery Pack	46
Removing the Optical Drive Module	47
Removing the Back Cover	48
Removing the Hard Disk Drive Module	49
Removing the Wireless LAN Card	50
Removing the DIMM Module	52
Main Unit Disassembly Process	54
Main Unit Disassembly Flowchart	54
Removing the Heatsink Module	55
Removing the CPU	57
Removing the Middle Cover	59
Removing the Keyboard	59
Removing the LCD Module	61
Separating the Upper Case from the Lower Case	64
Removing the Touchpad and Button Boards	67
Removing the Left Speaker	72
Removing the USB Board Module	73
Removing the Modem Board	76
Removing the Bluetooth Module	77
Removing the Microphone	78
Removing the Main Board	80
Removing the Right Speaker	83
LCD Module Disassembly Process	85
LCD Module Disassembly Flowchart	85
Removing the LCD Bezel	86
Removing the LCD panel with the Brackets	87
Removing the LCD Brackets	90
Removing the FPC Cable	91
Removing the Web Camera	92
Removing the Antennas	94
System Check Procedures	96
External Diskette Drive Check	96
External Optical Disk Drive Check	96
Keyboard or Auxiliary Input Device Check	96
Memory Check	97
Power System Check	97
Touchpad Check	98
Power-On Self-Test (POST) Error Message	98
Index of Error Messages	99
Phoenix BIOS Beep Codes	103
Index of Symptom-to-FRU Error Message	107
Intermittent Problems	110
Undetermined Problems	110
Main Board	111
Clearing Password Check and BIOS Recovery	113
Clearing Password Check	113
BIOS Recovery by Crisis Disk	114
Exploded Diagram	120
Model Definition and Configuration	131
Aspire 7740/7740G Series	132
Hardware Device Tests	154
Online Support Information	157

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