Instruction d'utilisation Acer ASPIRE 5251

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Aspire 5251/5551G/5551 Series
Service Guide
Service guide files and updates are available
on the ACER/CSD web; for more information,
please refer to http://csd.acer.com.tw

PRINTED IN TAIWAN

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Revision History Please refer to the table below for the updates made on Aspire 5251/5551G/5551 service guides. Date Chapter Updates II

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Copyright Copyright © 2010 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Acer Incorporated. Disclaimer The information in this guide is subject to change without notice. Acer Incorporated makes no rep

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Conventions The following conventions are used in this manual: SCREEN MESSAGES Denotes actual messages that appear on screen. NOTE Gives bits and pieces of additional information related to the current topic. WARNING Alerts you to any damage that might result from doing or not doing specific actions. CAUTION Gives precautionary measures to avoid possible hardware or software problems. IMPORTANT Reminds you to do specific actions relevant to the accomplishment of procedures. NOTE: This s

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Preface Before using this information and the product it supports, please read the following general information. 1. This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION decided for Acer's "global" product offering. To better fit local market requirements and enhance product competitiveness, your regional office MAY have decided to extend the functionality of a machine (e.g. add-on card, modem, or extra memory capability). These LOCALIZED FEATURES

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VI

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Table of Contents System Specifications 1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Your Acer Notebook tour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Table of Contents Removing the USB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73 Removing the Bluetooth Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75 Removing the Mainboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76 Removing the Thermal Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81 Removing the CPU . . . . . . . . . . . . . . . . .

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Table of Contents Wireless Function Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148 Thermal Unit Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148 External Mouse Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149 Other Failures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149 Intermittent Problems . .

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Table of Contents X

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Chapter 1 System Specifications Features Below is a brief summary of the computer’s many features: NOTE: Some features not available on all models. Operating System • Genuine Windows® 7 Home Premium 64-bit • Genuine Windows® 7 Home Basic 64-bit CPU/Chipset • AMD V Series processor V120 (512 KB L2 cache, 2.20 GHz, 3.2GT/s, 25 W) (Aspire 5251) • AMD M880G Chipset (Aspire 5251) • AMD Phenom™ II triple-core mobile processor N830 (1.5 MB L2 cache, 2.10 GHz, 3.6GT/s, 35 W) (Aspire 5551/5551G) • AMD T

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• Dual independent display support (Aspire 5251/5551/5551G) • 16.7 million colors (Aspire 5251/5551/5551G) • External resolution / refresh rates: • VGA port up to 2560 x 1440: 75 Hz (Aspire 5251/5551) • VGA port up to 2048 x 1536: 85 Hz (Aspire 5551G) • HDMI™ port up to 1920 x 1080: 60 Hz (Aspire 5251/5551/5551G) • MPEG-2/DVD decoding (Aspire 5251/5551/5551G) • VC-1 and H.264 (AVC) decoding (Aspire 5551G) • WMV9 (VC-1) and H.264 (AVC) decoding (Aspire 5251/5551) • Microsoft® DirectX Video Accele

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• Write: 24X CD-R, 16X CD-RW, 8X DVD-R, 8X DVD+R, 4X DVD-R DL, 4X DVD+R DL, 6X DVD-RW, 8X DVD+RW, 5X DVD-RAM Communication • Acer Video Conference, featuring: • Acer Crystal Eye 1.3 MP webcam, 1280 x 1024 resolution •WLAN: • Acer InviLink™ Nplify™ 802.11b/g/n Wi-Fi CERTIFIED™ • Acer InviLink™ 802.11b/g Wi-Fi CERTIFIED™ • Supporting Acer SignalUp™ wireless technology •WPAN: • Bluetooth® 3.0+HS • Bluetooth® 2.1+EDR • LAN: Gigabit Ethernet, Wake-on-LAN ready Privacy control • BIOS user, supervis

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• HDMI™ port with HDCP support • External display (VGA) port • Headphone/speaker/line-out jack • Microphone-in jack • Ethernet (RJ-45) port • DC-in jack for AC adapter Optional Items • 1 GB / 2 GB / 4 GB DDR3 1066 MHz soDIMM module • 6-cell Li-ion battery pack • 3-pin 65 W AC adapter • External USB 56K modem Environment • Temperature: • Operating: 5 °C to 35 °C • Non-operating: -20 °C to 65 °C • Humidity (non-condensing): • Operating: 20% to 80% • Non-operating: 20% to 80% 4 Chapter 1

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System Block Diagram Danube AMD S1G4 Processor Memory BUS(DDR3) 204pin DDRIII-SO-DIMM X2 uPGA-638 Package Dual Channel BANK 0, 1, 2, 3 Champlain 1.5V DDRIII 1066~1333MHz Hyper Transport Link 16 x 16 LVDS Thermal Sensor Clock Generator ATI RS880M ADM1032 ICS9LPRS488 CRT uFCBGA-528 HDMI Conn. USB Mini 3G/GPS Card A link Express2 CMOS Bluetooth conn card WWAN Reader Gen1 Camera Conn X 3 (WL)X1 USB port 0,1,2 USB port 5 USB port 12 USB port 8 USB port 9 USB port 6 ATI SB8

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Your Acer Notebook tour Front View No. Icon Item Description 1 Acer Crystal Eye Web camera for video communication webcam (for selected models). 2 Display screen Also called Liquid-Crystal Display (LCD), displays computer output. 3 HDD Indicates when the hard disk drive is active. Communication Indicates the computer’s wireless connectivitoy indicator device status. 4 Power button Turns the computer on and off. 5 Keyboard For entering data into your computer. 6 TouchPad Touch-sensitive pointi

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No. Icon Item Description 1 7 Indicates the computer’s power status. Power 1 Indicates the computer’s battery status. Battery 1. Charging: The light shows amber when the battery is charging. 2. Fully charged: The light shows blue when in AC mode. 8 Click buttons (left The left and right buttons function like the left and right) and right mouse buttons. 9 Palmrest Comfortable support area for your hands when you use the computer. 10 Speakers Left and right speakers deliver stereo audio outp

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No. Icon Item Description 6 USB 2.0 ports Connect to USB 2.0 devices (e.g. USB mouse, USB camera). 7 Microphone-in Accepts input from external microphones. jack Headphones/ Connects to audio line-out devices speaker/line-out (e.g. speakers, headphones). jack Right View No. Icon Item Description 1 USB 2.0 ports Connect to USB 2.0 devices (e.g. USB mouse, USB camera). 2 Optical drive Internal optical drive; accepts CDs or DVDs. 3 Optical disk access Lights up when the optical drive is active.

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Bottom View No. Icon Item Description 1 Battery bay Houses the computer's battery pack. 2 Battery release Releases the battery for removal. latch 3 Hard disk bay Houses the computer's hard disk (secured with screws). 4 Memory Houses the computer's main memory. compartment 5 Battery lock Locks the battery in position. 6 Ventilation slots Enable the computer to stay cool, even after and cooling fan prolonged use. Note: Do not cover or obstruct the fan opening. Indicators The computer has several

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TouchPad Basics The following items show you how to use the TouchPad: • Move your finger across the TouchPad (1) to move the cursor. • Press the left (2) and right (3) buttons located beneath the TouchPad to perform selection and execution functions. These two buttons are similar to the left and right buttons on a mouse. Tapping on the TouchPad is the same as clicking the left button. Function Left Button (2) Right Button (3) Main TouchPad (1) Execute Quickly click twice. Tap twice (at the sa