Acer Aspire 4350 Manuale utente

Aspire 4750 and 4750G Series

Service Guide

PRINTED IN TAIWAN

Service guide files and updates are available

on the ACER/CSD web; for more information,

please refer to http://csd.acer.com.tw

Revision History

Please refer to the table below for the updates made on Aspire 4750 and 4750G Series service guide.

Date Chapter Updates

III

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 representations or warranties, either expressed or implied, with respect to the

contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular

purpose. Any Acer Incorporated software described in this manual is sold or licensed "as is". Should the

programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its

dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential

damages resulting from any defect in the software.

Acer is a registered trademark of Acer Corporation.

Intel is a registered trademark of Intel Corporation.

Other brand and product names are trademarks and/or registered trademarks of their respective holders.

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.

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 will NOT be covered

in this generic service guide. In such cases, please contact your regional offices or the responsible

personnel/channel to provide you with further technical details.

2. Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date information

available on your regional web or channel. If, for whatever reason, a part number change is made, it will

not be noted in the printed Service Guide. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer

office may have a DIFFERENT part number code to those given in the FRU list of this printed Service

Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and

service of customer machines.

VII

Table of Contents

Features 1

System Specifications 1

System Block Diagram 4

Your Acer Notebook tour 5

Top view 5

Hotkeys 6

Closed front view 7

Rear view 7

Left view 7

Right view 9

Base view 9

Hardware Specifications and Configurations 11

BIOS Setup Utility 19

System Utilities 19

Navigating the BIOS Utility 20

Information 21

Main 22

Security 24

Boot 28

Exit 29

BIOS Flash Utility 30

Remove HDD Password 31

Disassembly Requirements 33

Machine Disassembly and Replacement 33

General Information 34

Pre-disassembly Instructions 34

Disassembly Process 34

External Module Disassembly Process 35

External Modules Disassembly Flowchart 35

Removing the Battery Pack 36

Removing the Optical Drive Module 37

Removing the Back Cover 38

Removing the Hard Disk Drive Module 39

Removing the Wireless LAN Card 40

Removing the DIMM Module 42

Main Unit Disassembly Process 43

Main Unit Disassembly Flowchart 43

Removing the Keyboard 44

Separating the Upper Case from the Lower Case 45

Removing the Touchpad Boards 47

Removing the Left and Right Speakers 49

Removing the Power Button Board 51

Removing the Bluetooth Module 52

Removing the RTC Battery 53

Removing the USB Board 54

Removing the Main Board 55

Removing the Heatsink Module 58

Removing the CPU 60

Removing the LCD Module 61

LCD Module Disassembly Process 64

VIII

Table of Contents

LCD Module Disassembly Flowchart 64

Removing the LCD Bezel 65

Removing the LCD panel with the Brackets 66

Removing the LCD Brackets 70

Removing the FPC Cable 71

Removing the Web Camera 72

Removing the Microphone 74

Removing the Antennas 74

Troubleshooting 77

System Check Procedures 78

External Diskette Drive Check 78

External Optical Disk Drive Check 78

Keyboard or Auxiliary Input Device Check 78

Memory Check 79

Power System Check 79

Touchpad Check 80

Power-On Self-Test (POST) Error Message 80

Index of Error Messages 81

Phoenix BIOS Beep Codes 85

Index of Symptom-to-FRU Error Message 89

Intermittent Problems 92

Undetermined Problems 92

Main Board 93

Connector Locations 93

Clearing Password Check and BIOS Recovery 96

Clearing Password Check 96

BIOS Recovery by Crisis Disk 97

FRU (Field Replaceable Unit) List 99

Exploded Diagram 100

113

Model Definition and Configuration 113

Aspire 4750/4750G Series 114

Test Compatible Components 135

Hardware Device Tests 136

Online Support Information 139

Index 141

Chapter 1 1

Features

Below is a brief summary of the computer’s many features:

Platform

•Intel®Core i7 processor*

•Intel®Core i5 processor*

•Intel® Core i3 processor*

•Mobile Intel®HM55 Express Chipset

System Memory

•Dual-Channel SDRAM support

•Up to 4 GB of DDR3 1066 MHz memory, upgradeable to 8 GB using two soDIMM modules*

Display

•14” LED WXGA

Graphics

•NVidia N12PGS/N12PGV

•Integrated Intel®Graphics Media Accelerator (GMA) HD

• Screen resolution support

For UMA

•1366*768

•1360*768

•1280*768

•1280*720

•1024*768

•800*600

For Discrete

•1366*768

•1360*768

•1280*768

•1280*720

•1024*768

•800*600

HDMI Max Resolution

•1900*1200

D-Sub Max Resolution

•2560*1600

System Specifications

Chapter 1

2Chapter 1

Storage subsystem

•2.5" hard disk drive

•Optical drive options:

•Blu-ray Disc™/DVD-Super Multi double-layer drive*

•DVD-Super Multi double-layer drive*

•Multi-in-1 card reader

Special keys and controls

•86-key keyboard

•Touchpad pointing device

Audio

•Dolby®-optimized surround sound system with two built-in stereo speakers

•True 5.1-channel surround sound output

•High-definition audio support

•S/PDIF (Sony/Philips Digital Interface) support for digital speakers

•MS-Sound compatible

•Built-in microphones

Communication

•Integrated Acer Crystal Eye webcam*

•WLAN: IEEE 802.11b/g/n

•LAN: Gigabit Ethernet; Wake-on-LAN ready

I/O Ports

•Multi-in-1 card reader (SD/MMC/MS/MS PRO/xD)

•USB ports (2 x 2.0, 1 x 3.0)

•HDMI™port with HDCP support

•External display (VGA) port

•Headphones/speaker/line-out jack with S/PDIF support

•Microphone-in jack

•Line-in jack

•Ethernet (RJ-45) port

•DC-in jack for AC adapter

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%

Dimension and weight

• Dimension: 342 (W) x 243 (D) x 33.9 (H) mm

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