User ManualTable of ContentsAspire One 522 Service Guide1Table of Contents5Chapter 1: Hardware Specifications11Table of Contents12Features15Operating System15Platform15System Memory15Display15Storage Subsystem15Audio Subsystem15Graphics16Privacy Control16Optical Media Drive (N/A)16Communication16Dimension and Weight17Power Adapter and Battery17I/O Ports17Special Keys and Controls17Environment18Warranty18Optional Items18Software19Notebook Tour20Top View20Closed Front View22Rear View23Left View24Right View25Base View26Touchpad Basics28Using the Keyboard29Windows Keys30Hotkeys31Using the Communication Key33System Block Diagram34Specification Tables35Computer specifications35System Board Major Chips36Processor36Processor Specifications36CPU Fan True Value Table (For Windows mode)37CPU Fan True Value Table (For DOS mode)37System Memory37Memory Combinations38Video Interface38BIOS38LAN Interface39Keyboard40Hard Disk Drive (AVL components)41Super-Multi Drive (not available with this model)42LED 10.1”43LCD Inverter (not available with this model)43Display Supported Resolution (LCD Supported Resolution)44Graphics Controller44Display Supported Resolution (GPU Supported Resolution)44Bluetooth Interface44Bluetooth Module45Camera45Mini Card453G Card45Audio Codec and Amplifier (amplifier not available)45Audio Interface48Wireless Module 802.11b/g/n48Battery48VRAM (not available with this model)49USB Port49HDMI Port49AC Adapter49System Power Management50Card Reader51System LED Indicator52System DMA Specification53System Interrupt Specification53System IO Address Map54System I/O Address Specifications55Chapter 2: System Utilities57Table of Contents58BIOS Setup Utility59Navigating the BIOS Utility59BIOS60Information60Main62Security64Boot69Exit70BIOS Flash Utilities71DOS Flash Utility72WinFlash Utility74HDD/BIOS Password Utilities75Removing HDD Passwords75Clearing BIOS Passwords77Cleaning BIOS Passwords79Miscellaneous Tools80Using Boot Sequence Selector80Using DMITools80Updating MAC Address and SSID/SVID Utility82Chapter 3: Machine Maintenance Procedures83Table of Contents84Introduction87General Information87Recommended Equipment87Maintenance Flowchart88Getting Started89Battery Pack Removal90Battery Pack Installation90Dummy Card Removal91Dummy Card Installation91Keyboard Removal92Keyboard Installation93Lower Cover Door Removal94Lower Cover Door Installation95HDD (Hard Disk Drive) Module Removal96HDD Module Installation97DIMM (Dual In-line Memory Module) Module Removal99DIMM Module Installation99WLAN (Wireless Local Area Network) Module Removal100WLAN Module Installation1003G Module Removal1013G Module Installation101Upper Cover Removal102Upper Cover Installation104Touchpad Board Removal105Touchpad Board Installation106Function Board Removal107Function Board Installation108Bluetooth Module Removal109Bluetooth Module Installation109RTC Battery Removal110RTC Battery Installation110Mainboard Removal111Mainboard Installation113Thermal Module Removal114Thermal Module Installation115DC-IN Cable Removal117DC-IN Cable Installation117Speaker Module Removal118Speaker Module Installation118LCD (Liquid Crystal Display) Module Removal119LCD Module Installation120LCD Bezel Removal122LCD Bezel Installation123CCD (Charge-Coupled Device) Module Removal124CCD (Charge-Coupled Device) Module Installation124LCD Panel Removal125LCD Panel Installation126LCD Panel Brackets Removal127LCD Panel Brackets Installation1273G and WLAN Antenna Removal128WLAN and 3G Antenna Installation128Microphone Module Removal129Microphone Module Installation129Chapter 4: Troubleshooting131Table of Contents132Introduction133General Information133Power On Issues134No Display Issues135LCD Failure137Keyboard Failure138Touchpad Failure139Internal Speaker Failure140Microphone Failure142USB Failure143Wireless Function Failure1443G Function Failure145Cosmetic Failure146Thermal Unit Failure147Other Functions Failure148Intermittent Problems149Undetermined Problems149Post Codes150Chapter 5: Jumper and Connector Locations157Table of Contents158Mainboard159Clearing Password Check and BIOS Recovery161Clearing Password Check161BIOS Recovery by Crisis Disk163Chapter 6: Field Replaceable Unit List165Table of Contents166Exploded Diagrams168Main Assembly168LCD Assembly170Upper Cover171Lower Cover172FRU List173Screw List183Chapter 7: Model Definition and Configuration185Table of Contents186AO522187Chapter 8: Test Compatible Components221Table of Contents222Microsoft® Windows® 7 Environment Test224AO522224Chapter 9: Online Support Information229Table of Contents230Introduction231Size: 5.17 MBPages: 232Language: EnglishOpen manual