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eMachines D720/D520 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 eMachines D720/D520 Series service guide. Date Chapter Updates II
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Copyright Copyright © 2008 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. IV
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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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Your Acer Notebook tour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents Removing the Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58 Removing the LCD Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60 Removing the Upper Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62 Removing the TouchPad Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65 Removing the Speaker Modules . . . . . . . . . . .
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Table of Contents ODD Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .116 Modem Function Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119 Wireless Function Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119 Thermal Unit Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120 External Mouse Failure . . .
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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: Operating System • Genuine Windows® Vista™ Platform • Intel® Pentium® dual-core processor* • Intel® Celeron® processor* • Mobile Intel® GL40 Express Chipset • IEEE 802.11b/g System Memory • Dual-channel support • Up to 2 GB of DDR2 667 MHz memory, upgradeable to 4 GB using two soDIMM modules Display and graphics • 14.1" WXGA 1280 x 800 • Mobile Intel® GL40 Express Chipset Storage subsystem • 2.5" h
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Communication • Integrated webcam* • WLAN: IEEE 802.11b/g • LAN: Fast Ethernet; Wake-on-LAN ready Privacy control • BIOS user, supervisor, HDD passwords • Kensington lock slot Power subsystem • ACPI 3.0 • 48.8 W 4400 mAh • 3-pin 65 W AC adapter • ENERGY STAR® 4.0* Special keys and controls • 88-/89-key keyboard • Touchpad pointing device I/O interface • USB 2.0 port • External display (VGA) port • Headphones/speaker/line-out jack • Microphone-in jack • Line-in jack • Ethernet (RJ-45) port • DC-
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System Block Diagram Chapter 1 3
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Your Acer Notebook tour After knowing your computer features, let us show you around your new computer. Front View No. Icon Item Description 1 Microphone Internal microphone for sound recording. 2 Integrated Web camera for video communication webcam (for selected models). 3 Display screen Also called Liquid-Crystal Display (LCD), displays computer output. 4 Power button Turns the computer on and off. 5 Wireless LAN Enables/disables the wireless LAN function. communication Indicates the status
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No. Icon Item Description 9 TouchPad Touch-sensitive pointing device which functions like a computer mouse. 10 Click buttons (left The left and right buttons function like the left and right) and right mouse buttons. 11 Power Indicates the computer's power status. Battery Indicates the computer's battery status. 1. Charging: The light shows amber when the battery is charging. 2. Fully charged: The light shows green when in AC mode. HDD Indicates when the hard disk drive is active. Num Loc
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Left View No. Icon Item Description 1 Ethernet (RJ-45) Connects to an Ethernet 10/100-based port network. 2 External display Connects to a display device (VGA) port (e.g. external monitor, LCD projector). 3 USB 2.0 ports Connect to USB 2.0 devices (e.g. USB mouse, USB camera). Line-in jack Accepts audio line-in devices (e.g., audio CD player, stereo walkman, mp3 player). Microphone-in Accepts input from external microphones. jack Headphones/ Connects to audio line-out devices speaker/line-o
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Right View No. Icon Item Description 1 Kensington lock Connects to a Kensington-compatible computer slot security lock. Note: Wrap the computer security lock cable around an immovable object such as a table or handle of a locked drawer. Insert the lock into the notch and turn the key to secure the lock. Some keyless models are also available. 2 Optical drive Internal optical drive; accepts CDs or DVDs. 3 Optical disk access Lights up when the optical drive is active. indicator 4 Optical dri
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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 Memory Houses the computer's main memory. compartment 4 Hard disk bay Houses the computer's hard disk (secured with screws). 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 opening of the fan. 8 Chapter 1
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Indicators The computer has several easy-to-read status indicators. The front panel indicators are visible even when the computer cover is closed. Icon Function Description Power Indicates the computer's power status. Battery Indicates the computer's battery status. HDD Indicates when the hard disk drive is active. Num Lock Lights up when Num Lock is activated. Caps Lock Lights up when Caps Lock is activated. NOTE: 1. Charging: The light shows amber when the battery is charging. 2. Fully charge
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TouchPad Basics (with fingerprint reader) The following items show you how to use the TouchPad with Acer Bio-Protection fingerprint reader: • 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
