Acer AOHAPPY2 - Keyboard Failure

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Troubleshooting 4-9

Keyboard Failure 0

If the Keyboard fails, perform the following:

Figure 4-4. Keyboard Failure

No

No

START

Keyboard FPC

well connected?

Connect

it well

Keyboard OK?

Replace

keyboard

Replace M/B

Table of Contents

Default Chapter4
- General Information4
- Table of Contents5
CHAPTER 1 Hardware Specifications15
- Operating System15
- Platform15
- System Memory15
- Display15
- Audio Subsystem16
- Graphics17
- Storage Subsystem17
- Privacy Control17
- Webcam17
- Wireless and Networking17
- Dimension and Weight17
- Color Options18
- Power Adapter and Battery18
- Input and Controls18
- I/O Ports18
- Optional Items18
- Warranty19
- Eco-Compliance19
- Environment19
- Software20
Features15
Notebook Tour21
- Touchpad Basics28
- Using the Keyboard29
- Windows Keys31
- Hotkeys32
- Using the Communication Key33
Specification Tables35
- Computer Specifications35
- Processor36
- Processor Specifications36
- CPU Fan True Value Table (DC Mode)38
- CPU Fan True Value Table (AC Mode)39
- System Memory39
- Memory Combinations40
- Video Interface40
- Bios40
- LAN Interface41
- Keyboard41
- Hard Disk Drive (AVL Components)42
- Led 10.043
- LCD Inverter (Not Available with this Model)43
CHAPTER 2 System Utilities55
- BIOS Setup Utility57
  - Navigating the BIOS Utility57
- Bios58
- BIOS Flash Utilities68
  - DOS Flash Utility69
  - Winflash Utility70
- Clearing BIOS Passwords71
  - Removing BIOS Passwords72
  - Removing Insyde HDD Password74
- Miscellaneous Tools75
CHAPTER 3 Machine Maintenance Procedures85
Introduction85
General Information85
Recommended Equipment85
Maintenance Flowchart86
Getting Started87
- Battery Pack Removal88
- Battery Pack Installation88
- Dummy Card Removal89
- Dummy Card Installation89
- Outside Screws90
- Outside Screws Installation90
- Keyboard Removal91
- Keyboard Installation92
- Base Cover Removal93
- Base Cover Installation93
- HDD (Hard Disk Drive) Removal94
- Hard Disk Drive Installation95
- WLAN (Wireless Local Area Network) Module Removal97
- WLAN Module Installation97
- DIMM (Dual In-Line Memory Module) Removal98
- DIMM Installation98
- Upper Case Removal99
- Upper Case Installation100
- Bluetooth Module Removal101
- Bluetooth Module Installation101
- Mainboard Removal102
- Mainboard Installation103
- Speakers Removal104
- Speakers Installation104
- Thermal Module Removal105
- Thermal Module Installation106
- LCD (Liquid Crystal Display) Module Removal108
- LCD Module Installation109
- LCD Bezel Removal110
- LCD Bezel Installation111
- Microphone Removal112
- Microphone Installation113
- LCD Hinge Removal114
- LCD Hinge Installation114
  - LCD Panel Removal115
  - LCD Panel Installation117
  - LVDS Cable Removal118
  - LVDS Cable Installation119
  - Camera Module Removal120
  - Camera Module Installation120
CHAPTER 4 Troubleshooting121
- Introduction123
- General Information123
- Intermittent Problems136
- Undetermined Problems136
- Post Codes137
CHAPTER 5 Jumper and Connector Locations145
- Mainboard Jumper and Connector Locations147
- Clearing Password Check and BIOS Recovery149
Chapter 6153
FRU (Field Replaceable Unit) List153
- FRU List154
- Exploded Diagrams156
- FRU List159
- Screw List180
CHAPTER 7 Model Definition and Configuration181
- Aspire One Happy182
- Aspire One D257183
- Aspire One Happy291
Chapter 8391
Test Compatible Components391
Chapter 9403
Online Support Information403

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