Acer Aspire 5740 Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide
Acer Aspire 5740 Manual
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- Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 1
Aspire 5740/5740D/5340 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 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 2
Revision History Please refer to the table below for the updates made on Aspire 5740/5740D/5340 Series service guide. Date Chapter Updates II - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 3
specifically disclaims any warranties of merchantability or fitness for any particular purpose. Any Acer Incorporated software described in this manual servicing, repair, and any incidental or consequential damages resulting from any defect in the software. Acer is a registered trademark of Acer - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 4
are used in this manual: SCREEN MESSAGES Denotes actual messages that appear on screen. NOTE WARNING CAUTION IMPORTANT Gives bits and pieces of additional information related to the current topic. Alerts you to any damage that might result from doing or not doing specific actions. Gives - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 5
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 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 6
VI - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 7
13 Hardware Specifications and Configurations 14 System Utilities 21 BIOS Setup Utility 21 Navigating the BIOS Utility 22 Information 23 Main 24 Security 26 Boot 29 Exit 30 BIOS Flash Utility 31 Remove HDD Password 32 Disassembly Requirements 33 Machine Disassembly and Replacement 33 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 8
Problems 100 Connector Locations 101 Main Board 101 Clearing Password Check and BIOS Recovery 103 Clearing Password Check 103 BIOS Recovery by Crisis Disk 104 FRU (Field Replaceable Unit) List 109 Exploded Diagram 110 FRU List 111 Model Definition and Configuration 118 Aspire 5740 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 9
® Core i7 processor* • Intel® Core i5 processor* • Intel® Core i3 processor* • Mobile Intel® HM55 Express Chipset • Acer InviLink™ Nplify™ 802.11b/g/n* • Acer InviLink™ 802.11b/g* System memory • Dual-Channel SDRAM support • Up to 4 GB of DDR3 1066 MHz memory, upgradeable to 8 GB using two soDIMM - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 10
) support for digital speakers MS-Sound compatible Built-in microphone Communication • Integrated Acer Crystal Eye webcam* • WLAN: • Intel® Centrino® Advanced-N 6200 a/g/n* • Intel® Centrino® Wireless-N 1000 b/g/n* • Acer InviLink™ Nplify™ 802.11b/g/n* • Acer InviLink™ 802.11b/g* • WPAN: Bluetooth - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 11
• DC-in jack for AC adapter Environment • Temperature: • Operating: 5 °C to 35 °C • Non-operating: -20 °C ) • Weight: 2.8 kg (6.16 lbs.) with 6-cell battery pack NOTES: 1. "*" means only for certain models". 2. The specifications listed above are for reference only. The exact configuration of your - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 12
System Block Diagram 4 Chapter 1 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 13
Acer notebook. Top View # Icon 1 2 3 4 Item Acer Crystal Eye webcam Display screen Power button Description Web camera for video communication*. Also called Liquid-Crystal Display (LCD), displays the Bluetooth function. Indicates the status of Bluetooth communication*. Launches Acer Backup - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 14
when Caps Lock is activated. 6 Keyboard For entering data into your computer power status. Battery1 Indicates the computer's battery status. 1. Charging: The light shows amber when the battery is charging. 2. Fully charged: The light shows blue when in AC mode. 10 Palmrest Comfortable support - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 15
DC-in jack Description Connects to an AC adapter. 2 Ethernet (RJ-45) port Connects to an Ethernet 10/100/1000-based network. 3 HDMI HDMI port 4 External display (VGA) port 5 USB 2.0 ports 6 Line-in jack Microphone-in jack Supports high definition digital video connections. Connects to - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 16
Right view # Icon 1 2 3 4 5 6 7 Item USB 2.0 ports Optical drive Optical disk access indicator Optical drive eject button Emergency eject hole Modem (RJ-11) port Kensington lock slot Description Connect to USB 2.0 devices (e.g., USB mouse, USB camera). Internal optical drive; accepts CDs or DVDs. - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 17
Base view # Icon Item 1 Battery bay Description Houses the computer's battery pack. 2 Battery release latch Releases the battery for removal. 3 Battery lock Locks the battery in position. 4 Hard disk bay Houses the computer's hard disk (secured with screws). 5 Memory compartment - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 18
amber when the battery is charging. 2. Fully charged: The light shows blue when in AC mode. Easy-Launch Buttons Located above the keyboard are application buttons. These buttons are called easy-launch buttons. They are: WLAN, Internet, email, Bluetooth, Arcade and Acer Empowering Technology. The - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 19
in Windows Control Panel. Using the Keyboard The keyboard has full-sized keys and an embedded numeric keypad, separate cursor, lock, Windows, connect an external keypad. NOTE: + works only for certain models. When Scroll Lock is on, the screen moves one line up or down when you press the - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 20
in a normal manner. Windows Keys The keyboard has two keys that perform Windows-specific functions. Key Windows key Application key Description functions: < >: Open or close the Start menu < > + : Display the desktop < > + : Open Windows Explore < > + : Search for a file or folder < > - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 21
Starts System Properties for displaying system information. Enables/disables the Bluetooth function. Puts the computer in Sleep mode. Switches display output between the display screen, external monitor (if connected) and both. Turns the display screen backlight off to save power. Press any key to - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 22
and Configurations Processor Item CPU type Core logic CPU package CPU core voltage Specification Aspire 5740: Intel® Core i5 540M 2.53G 3M Aspire 5740G: Intel® Core i3 330M PGA 2.13G 3M Intel® Core i5 520M 2.4G 3M Intel® Core i5 540M 2.53G 3M PCH/HM55 Express chipset PGA 988 CPU Fan True Value - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 23
LAN protocol LAN connector type LAN connector location Features Specification Broadcom 57780 10/100/1000 Mbps RJ45 Left side Integrated 10/100 BASE-T transceiver Wake on LAN support compliant with ACPI 2.0 PCI v2.2 Bluetooth Interface Item Chipset Data throughput Protocol Interface Connector type - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 24
WD WD1600BEVT22ZCTO 160000 512 3/4 Disks 2 Spindle speed (RPM) 5400 RPM Performance Specifications Buffer size 8MB Interface SATA Max. media 540 transfer rate (disk-buffer, Mbytes/s) DC Power Requirements Voltage tolerance 5V(DC) +/- 5% 2.5" 5400rpm 250GB HGST HTS545025B9A300 WD - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 25
Power Requirement Input Voltage Specification (Green Book, Mode2 Form1 & 2, Ready, Bridge) CD-Extra/ CD-Plus (Blue Book) - Audio & Text/Video Video-CD (White Book) - MPEG1 Video DVD-RW (Non CPRM & CPRM) DVD°"R Dual Load: Manual Release: (a) Electrical Release (Release Button) (b) Release by - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 26
Power Requirement Input Voltage Specification 2, Ready, Bridge) CD-Extra/ CD-Plus (Blue Book) - Audio & Text/Video Video-CD ( BD-RE DL Load: Manual Release: (a) Electrical Release Specification Realtek ALC272 Built-in Stereo 18 bit stereo full duplex HD audio Interface; S/PDIF output for PCM or AC - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 27
MODEM Bluetooth Wireless 802.11 b/g/n 5 in 1 Card Reader Audio Codec Keyboard Item Keyboard controller Total number of keypads Windows logo key Internal & external keyboard work simultaneously Battery Item Vendor Battery Type Pack capacity Number of battery cell Package configuration Specification - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 28
Viewing Angle (degree) Horizontal: Right/Left Vertical: Upper/Lower Temperature Range( C) Operating Storage (shipping) AC Adaptor Item Input Output System Power Management ACPI mode Mech. Off (G3) Soft Off (G2/S5) Working (G0/S0) Suspend to RAM (S3) Save to Disk (S4) Normally White 220 1.25 max - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 29
, you may need to run Setup. Please also refer to Chapter 4 Troubleshooting when problem arises. To activate the BIOS Utility, press F2 during POST (when "Press to enter Setup" message is prompted on the bottom of screen). Press F2 to enter setup. The default parameter of F12 Boot Menu is - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 30
Navigating the BIOS Utility There are five menu options: Information, Main, Security, Boot, and Exit. Follow these instructions: • To choose a menu, shown on the bottom of the screen. Help for parameters are found in the Item Specific Help part of the screen. Read this carefully when making changes - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 31
name of the Optical device installed in the system. Displays system BIOS version. This field displays the VGA firmware version of the system. This field shows the keyboard This field displays the serial number of this unit. This field displays the asset tag number of the system. This field shows - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 32
Main The Main screen allows the user to set the system time and date as well as enable and disable boot menu, SATA mode and recovery. NOTE: The screen above is for your reference only. Actual values may differ. 24 Chapter 2 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 33
. Disabled: Customer Logo is not displayed, and Summary Screen is enabled. Enables, disables the system boot from LAN (remote server). Enables, disables Boot Menu during POST. Enables, disables D2D Recovery function. The function allows the user to create a hidden partition on hard disc drive to - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 34
know how to remove HDD/BIOS Password. The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. Parameter Supervisor Password Is User Password Is Set Supervisor Password Set User Password Password on Boot Description Shows the - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 35
do not appear on the screen. 3. Press Enter. After setting the password, the computer sets the User Password parameter to "Set". 4. If desired, you can opt to enable the Password on boot parameter. 5. When you are done, press the F10 key to save the changes and exit the BIOS Setup Utility. Removing - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 36
to save the changes and exit the BIOS Setup Utility. If the verification is OK, the screen will display as following. The password setting is complete after the user presses F10. If the current password entered does not match the actual current password, the screen will show you the Setup Warning - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 37
Boot This menu allows the user to decide the order of boot devices to load the operating system. Bootable devices includes the diskette drive in module bay, the onboard hard disk drive and the CD-ROM in module bay. Chapter 2 29 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 38
made to the parameters in the BIOS Setup Utility. The table below describes the parameters in this screen. Parameter Exit Saving Changes Exit your changes to CMOS. Exit utility without saving setup data to CMOS. Load default values for all SETUP item. Load previous values from CMOS for all SETUP - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 39
Disk in Windows" on page 104)before you use the Flash utility. NOTE: Do not install memory-related drivers (XMS, EMS, DPMI) when you use the Flash. NOTE: Please use the AC adaptor power supply when you run the Flash utility. If the battery pack does not contain enough power to finish BIOS flash, you - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 40
This section teaches you how to remove HDD password: Remove HDD Password: • If you key in the wrong HDD password thrice, "HDD password error code" will appear on the screen. See the image below. • If you need to solve HDD password locked problem, you can run HDD_PW.EXE 1. Key in "hdd_pw 15494 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 41
Machine Disassembly and Replacement Chapter 3 This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting. Disassembly Requirements To disassemble the computer, you need the following tools: • Wrist grounding strap and conductive - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 42
Instructions Before proceeding with the disassembly procedure, make sure that you do the following: 1. Turn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cables from the system. 3. Place the system on a flat, stable surface. 4. Remove the battery - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 43
entire disassembly sequence and instructs you on the components that need to be removed during servicing. For example, if you want to remove the main board, you must first remove the keyboard, then disassemble the inside assembly frame in that order. EXTERNAL MODULE DISASSEMBLY TURN OFF POWER AND - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 44
Turn base unit over. 2. Slide the battery lock/unlock latch to the unlock position. Note: Battery has been highlighted with the yellow circle as above image shows. Please detach the battery and follow the local regulations for disposal. 3. Slide the battery release latch to the release position to - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 45
Removing the SD Dummy Card 1. Push the SD dummy card all the way in to eject it. 2. Pull it out from the slot. Chapter 3 37 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 46
the DIMM Module 1. See "Removing the Battery Pack" on page 36. 2. Remove the one captive screw and one screw (A) securing the DIMM module cover. Size (Quantity) M2.5 x L8 (1) Black Color Torque 3 kgf-cm Part No. 86.00E34.738 3. Use a plastic screw driver to carefully pry open the DIMM module - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 47
out the latches on both sides of the DIMM socket to release the DIMM. 5. Remove the DIMM module. Removing the Back Cover 1. See "Removing the Battery Pack" on page 36. 2. See "Removing the SD Dummy Card" on page 37. 3. See "Removing the DIMM Module" on page 38. 4. Remove the two captive - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 48
5. Use a plastic screw driver to carefully pry open the back cover. 6. Remove the back cover from the lower case. Removing the Hard Disk Drive Module 1. See "Removing the Battery Pack" on page 36. 2. See "Removing the SD Dummy Card" on page 37. 3. See "Removing the DIMM Module" on page 38. 4. See " - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 49
5. Remove the one screw (F) securing the hard disk drive module. Size (Quantity) M2 x L4 (1) Color Silver Torque 1.6 kgf-cm 6. Slide the hard disk drive module away from the connector. Part No. 86.9A552.4R0 Chapter 3 41 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 50
of it. 8. Remove the two screws (D) securing the hard disk to the bracket and remove the hard disk from the bracket. Size (Quantity) M3 x L4 (2) Color Silver Torque 3.0 kgf-cm Part No. 86.9A554.4R0 42 Chapter 3 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 51
Removing the WLAN Modules 1. See "Removing the Battery Pack" on page 36. 2. See "Removing the SD Dummy (F) securing the short wireless board module to the system. Size (Quantity) M2 x L4 (1) Color Silver Torque 1.6 kgf-cm 8. Detach the short wireless board module from the WLAN socket. Part - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 52
the cable are arranged properly. Removing the Optical Drive Module 1. See "Removing the Battery Pack" on page 36. 2. See "Removing the SD Dummy Card" on 6. See "Removing the WLAN Modules" on page 43. 7. Use a screw driver to push out the locker bracket of the optical drive (ODD) module. Slowly pull - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 53
8. Remove the one screw (C) securing the locker bracket and remove the locker bracket from the optical disk drive module. Size (Quantity) M2 x L3 (1) Color Silver Torque 1.6 kgf-cm Part No. 86.9A552.3R0 Chapter 3 45 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 54
Main Unit Disassembly Process Main Unit Disassembly Flowchart MAIN UNIT DISASSEMBLY MAIN UNIT MIDDLE COVER F x 1 VOLUME BUTTON BOARD KEYBOARD Ax2 Gx2 LCD MODULE A x 10 F x 3 UPPER CASE Ex1 RIGHT SPEAKER MODULE BLUETOOTH MODULE Fx1 MODEM CARD TOUCHPAD BUTTON MODULE Fx1 USB MODULE - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 55
Removing the Middle Cover 1. See "Removing the Battery Pack" on page 36. 2. See "Removing the SD Dummy Card" 43. 7. See "Removing the Optical Drive Module" on page 44. 8. Use a plastic screw driver to pry loose the side of the middle cover. 9. Carefully pry loose the middle cover from the latches securing - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 56
10. Detach the cable from the volume button board on the middle cover. 11. Remove the one screw (F) from the volume button board and release the volume button board from the latch. Size (Quantity) M2 x L4 (1) Color Silver Torque 1.6 kgf-cm Part No. 86.9A552.4R0 48 Chapter 3 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 57
12. Detach the volume button board from the middle cover. Removing the Keyboard 1. See "Removing the Battery Pack" on page 36. 2. See "Removing the SD Dummy Card" on page 37. 3. See "Removing the DIMM Module" on page 38. 4. See "Removing the Back - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 58
cable from the main board and detach the keyboard. Removing the LCD Module 1. See "Removing the Battery Pack" on page 36. 2. See "Removing the SD Dummy Card" on page 37. 3. See "Removing the DIMM Module" on page 38. 4. See "Removing the Back - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 59
10. Release the cables from the latches. 11. Carefully pull out the wireless antenna cables from the hole(s). 12. Release the cables from the latches. Chapter 3 51 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 60
13. Turn over the system and remove the two screws (A) from the bottom of the left and right hinges. Size (Quantity) M2.5 x L8 (2) Black Color Torque 3.0 kgf-cm 14. Detach the LCD cable from the connector on the main board. Part No. 86.00E34.738 52 Chapter 3 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 61
. Size (Quantity) M2.5 x L10 (2) Silver Color Torque 3.0 kgf-cm 16. Carefully remove the LCD Separating the Upper Case from the Lower Case 1. See "Removing the Battery Pack" on page 36. 2. See "Removing the SD Dummy Card the Keyboard" on page 49. 10. See "Removing the LCD Module" on page 50 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 62
11. Remove the three screws (F) from the middle cover. Size (Quantity) M2 x L4 (3) Color Silver Torque 1.6 kgf-cm Part No. 86.9A552.4R0 12. Release the latch and disconnect the volume button board cable from its connector the main - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 63
14. Release the latch and disconnect the touchpad button cable from FPCN1 connector on the main board. 15. Disconnect the speaker cable from its connector on the main board. 16. Disconnect the microphone connector from the main board and remove the microphone. Chapter 3 55 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 64
17. Remove the ten screws (A) securing the lower case to the upper case. Size (Quantity) M2.5 x L8 (10) Black Color Torque 3.0 kgf-cm 18. Gently detach the upper case from the lower case. Part No. 86.00E34.738 19. Remove the upper case. 56 Chapter 3 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 65
Removing the Touchpad and Touchpad Button Boards 1. See "Removing the Battery Pack" on page 36. 2. See "Removing the SD Module" on page 44. 8. See "Removing the Middle Cover" on page 47. 9. See "Removing the Keyboard" on page 49. 10. See "Removing the LCD Module" on page 50. 11. See "Separating the - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 66
14. Release the touchpad button board metal bracket from the latches and detach it from the upper case. 15. Release the touchpad button board from the latches and detach it from the upper case. 58 Chapter 3 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 67
16. Pry to loosen the touchpad board. WARNING: The touchpad board is glued to the upper case, only remove the touchpad board if it is defective. Note: Circuit board >10 cm² has been highlighted with the yellow rectangle as above image shows. Please detach the Circuit boards and follow local - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 68
the local regulations for disposal. Removing the Left Speaker Module 1. See "Removing the Battery Pack" on page 36. 2. See "Removing the SD Dummy Card" on 44. 8. See "Removing the Middle Cover" on page 47. 9. See "Removing the Keyboard" on page 49. 10. See "Removing the LCD Module" on page 50. 11. - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 69
Black Color 13. Detach the left speaker module. Torque 1.6 kgf-cm Part No. 86.00E13.524 Removing the USB Board Module 1. See "Removing the Battery Pack" . 8. See "Removing the Middle Cover" on page 47. 9. See "Removing the Keyboard" on page 49. 10. See "Removing the LCD Module" on page 50. 11 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 70
12. Disconnect the cables from the USB board module. 13. Remove the one screw (F) securing the USB board module to the lower case. Size (Quantity) M2 x L4 (1) Color Silver Torque 1.6 kgf-cm Part No. 86.9A552.4R0 62 Chapter 3 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 71
from the lower case. Removing the Modem Module 1. See "Removing the Battery Pack" on page 36. 2. See "Removing the SD Dummy Card" on page 44. 8. See "Removing the Middle Cover" on page 47. 9. See "Removing the Keyboard" on page 49. 10. See "Removing the LCD Module" on page 50. 11. See "Separating - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 72
Color Silver Torque 1.6 kgf-cm Part No. 86.9A552.4R0 16. Release the modem board module from the latch and remove it from the lower case. Removing the Bluetooth Module 1. See "Removing the Battery 9. See "Removing the Keyboard" on page 49. 10. See "Removing the LCD Module" on page 50. 64 Chapter - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 73
13. See "Removing the USB Board Module" on page 61. 14. See "Removing the Modem Module" on page 63. 15. Disconnect the bluetooth cable from its connector on the main board. 16. Remove the Bluetooth module. NOTE: Be careful when removing the Bluetooth module as it is glued in place. Chapter 3 65 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 74
Module 1. See "Removing the Battery Pack" on page 36. 2. 44. 8. See "Removing the Middle Cover" on page 47. 9. See "Removing the Keyboard" on page 49. 10. See "Removing the LCD Module" on page 50. 11 Removing the Bluetooth Module" on page 64. 16. Release right speaker cables from the latches. 66 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 75
17. Disconnect the speaker cable from its connector on the main board. 18. Remove the one screw (E) securing the speaker module and remove it from the lower case. Size (Quantity) M2 x L4 (1) Black Color Torque 1.6 kgf-cm Part No. 86.00E13.524 Chapter 3 67 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 76
the Main Board 1. See "Removing the Battery Pack" on page 36. 2. See 8. See "Removing the Middle Cover" on page 47. 9. See "Removing the Keyboard" on page 49. 10. See "Removing the LCD Module" on page 50 See "Removing the Bluetooth Module" on page 64. 16. See "Removing the Right Speaker Module" on - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 77
the main board in place. Size (Quantity) M2 x L4 (1) Color Silver Torque 1.6 kgf-cm Part No. 86.9A552.4R0 Note: RTC battery has been highlighted with the yellow circle as shown in the figure above. Please detach the RTC battery and follow local regulations for disposal. Note: Circuit boards >10 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 78
version looks like the picture below: 1. See "Removing the Battery Pack" on page 36. 2. See "Removing the SD Dummy the Middle Cover" on page 47. 9. See "Removing the Keyboard" on page 49. 10. See "Removing the LCD Module" Bluetooth Module" on page 64. 16. See "Removing the Right Speaker - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 79
17. See "Removing the Main Board" on page 68. 18. Disconnect the heatsink connector from the main board. 19. Remove the seven screws securing the heatsink module in the order shown. NOTE: The Discrete system may be shipped with AMD PARK_XT or AMD MADISON_PRO. Chapter 3 71 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 80
CPU 1. See "Removing the Battery Pack" on page 36. 2. "Removing the Middle Cover" on page 47. 9. See "Removing the Keyboard" on page 49. 10. See "Removing the LCD Module" on the Modem Module" on page 63. 15. See "Removing the Bluetooth Module" on page 64. 16. See "Removing the Right Speaker - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 81
19. Using a flat screwdriver, turn the CPU socket latch counter-clockwise to release the CPU. 20. Lift up carefully to remove the CPU. NOTE: When installing the CPU, make sure to install the CPU with PIN 1 at the corner as shown. Chapter 3 73 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 82
LCD Module Disassembly Process LCD Module Disassembly Flowchart LCD MODULE DISASSEMBLY LCD MODULE Bx4 LCD BEZEL Bx4 LCD ASSEMBLY LCD FPC CABLE Cx2 Cx2 LEFT LCD RIGHT LCD BRACKET BRACKET LCD BACK PANEL ANTENNAS WEB CAMERA Screw List Item B C Screw M2.5 x L6 M2 x L3 Color Black Silver Part - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 83
the LCD Bezel 1. See "Removing the Battery Pack" on page 36. 2. See page 44. 8. See "Removing the Middle Cover" on page 47. 9. See "Removing the Keyboard" on page 49. 10. See "Removing the LCD Module" on page 50. 11. x L6 (4) Black Color Torque 3.0 kgf-cm Part No. 86.00E12.536 Chapter 3 75 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 84
the LCD panel. Removing the LCD panel with the Brackets 1. See "Removing the Battery Pack" on page 36. 2. See "Removing the SD Dummy Card" on page page 44. 8. See "Removing the Middle Cover" on page 47. 9. See "Removing the Keyboard" on page 49. 10. See "Removing the LCD Module" on page 50. 11. See - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 85
13. Disconnect the cable from the web camera. 14. Remove the four screws (B) securing the LCD assembly. Size (Quantity) M2.5 x L6 (4) Black Color Torque 3.0 kgf-cm Part No. 86.00E12.536 Chapter 3 77 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 86
. Removing the LCD Brackets 1. See "Removing the Battery Pack" on page 36. 2. See "Removing the 8. See "Removing the Middle Cover" on page 47. 9. See "Removing the Keyboard" on page 49. 10. See "Removing the LCD Module" on page 50. Color Silver Torque 1.6 kgf-cm Part No. 86.9A522.3R0 Chapter 3 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 87
Removing the FPC Cable 1. See "Removing the Battery Pack" on page 36. 2. See "Removing the SD Dummy Card Drive Module" on page 44. 8. See "Removing the Middle Cover" on page 47. 9. See "Removing the Keyboard" on page 49. 10. See "Removing the LCD Module" on page 50. 11. See "Removing the LCD Bezel - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 88
cable from the LCD panel. Removing the Antennas 1. See "Removing the Battery Pack" on page 36. 2. See "Removing the SD Dummy Card " on page 44. 8. See "Removing the Middle Cover" on page 47. 9. See "Removing the Keyboard" on page 49. 10. See "Removing the LCD Module" on page 50. 11. See "Removing - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 89
right antenna cables together with the tapes holding them in place. NOTE: There is no need to remove the antenna unless you really need to replace it. Chapter 3 81 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 90
Removing the Web Camera 1. See "Removing the Battery Pack" on page 36. 2. See "Removing the SD Dummy Card Drive Module" on page 44. 8. See "Removing the Middle Cover" on page 47. 9. See "Removing the Keyboard" on page 49. 10. See "Removing the LCD Module" on page 50. 11. See "Removing the LCD Bezel - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 91
. No beep or error codes are indicated. POST detects an error and displayed messages on screen. Other symptoms (i.e. LCD display problems or others). Symptoms cannot be re-created (intermittent problems). Go To "Power System Check" on page 85. "Power-On Self-Test (POST) Error Message" on page 86 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 92
run the Keyboard Test. If the tests detect a keyboard problem, do the following one at a time to correct the problem. Do not replace a non-defective FRU: 1. Reconnect the keyboard cables. 2. Replace the keyboard. 3. Replace the main board. The following auxiliary input devices are supported by this - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 93
An audible noise from the power adapter does not always indicate a defect. 3. If the power-on indicator does not light up, check the power cord of the power adapter for correct continuity and installation. 4. If the operational charge does not work, see "Check the Battery Pack" on page 86. Chapter - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 94
can also help you determine the next possible FRU to be replaced when servicing a computer. If the symptom is not listed, see "Undetermined Problems" on page 100. The following lists the error messages that the BIOS displays on the screen and the error symptoms classified by function. NOTE: Most of - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 95
at offset: nnnn System battery is dead - Replace and run Setup System CMOS checksum bad - Default configuration used FRU/Action in Sequence Reconnect hard disk drive connector. "Load Default Settings" in BIOS Setup Utility. Hard disk drive System board see "Keyboard or Auxiliary Input Device Check - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 96
by POST differed from CMOS Diskette drive A error Incorrect BIOS Setup Utility. RTC battery System board Run "Load Default Settings" in BIOS Setup Utility. RTC battery System board DIMM BIOS ROM System board None BIOS ROM System board Run "Load Default Settings" in BIOS Setup Utility. RTC battery - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 97
and a blinking cursor shown on LCD during POST. No beep during POST but system runs correctly. FRU/Action in Sequence Power source (battery pack and power adapter). See "Power System Check" on page 85.. Ensure every connector is connected tightly and correctly. Reconnect the DIMM. LED board. System - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 98
Restore CPU control word during warm boot Initialize PCI Bus Mastering devices Initialize keyboard controller BIOS ROM checksum Initialize cache before memory autosize 8254 timer initialization 8237 DMA controller initialization Reset Programmable Interrupt Controller Test DRAM refresh Test 8742 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 99
Initialize all video adapters in system QuietBoot start (optional) Shadow video BIOS ROM Display BIOS copyright notice Display CPU type and speed Initialize EISA board Test keyboard Set key click if enabled Test for unexpected interrupts Initialize POST display service Display prompt "Press F2 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 100
(optional) Initialize BIOS Area Enable Non-Maskable Interrupts (NMIs) Initialize Extended BIOS Data Area Test Check for SMART drive (optional) Shadow option ROMs Set up Power Management Initialize security engine (optional) Enable hardware interrupts Determine number of password (optional) Chapter 4 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 101
checkers Display MultiBoot menu Clear screen (optional) Check virus and backup reminders Try to boot with INT 19 Initialize POST Error Manager (PEM) Initialize error logging Initialize error display function Initialize system error handler PnPnd dual CMOS (optional) Initialize notebook docking - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 102
Code F5h F6h F7h Beeps Boot to Mini DOS Clear Huge Segment Boot to Full DOS 94 Chapter 4 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 103
Abnormal screen Wrong color displayed LCD has extra horizontal or vertical lines displayed. Action in Sequence Enter BIOS Utility to execute "Load Setup Default Settings", then reboot system. Reconnect the LCD connectors. Keyboard (if contrast and brightness function key doesn't work). LCD - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 104
The system doesn't power-off. Battery can't be charged Action in Sequence Power source (battery pack and power adapter). See "Power System Check" on page 85. Hold and press the power switch for more than 4 seconds. System board See "Check the Battery Pack" on page 86. Battery pack System board - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 105
/ Error System configuration does not match the installed devices. External display does not work correctly. USB does not work correctly Print problems. Serial or parallel port device problems. Action in Sequence Enter BIOS Setup Utility to execute "Load Default Settings", then reboot system - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 106
Modem-Related Symptoms Symptom / Error Action in Sequence Internal modem does not work correctly. Modem phone port modem combo board System board NOTE: If you cannot find a symptom or an error in this list and the problem remains, see "Undetermined Problems" on page 100. 98 Chapter 4 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 107
to do with a hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be considered only when a recurring problem exists. When analyzing an intermittent problem, do the following: 1. Run the advanced diagnostic test for the system board in loop - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 108
System Check" on page 85.): 1. Power-off the computer. 2. Visually check them for damage. If any problems are found, replace the FRU. 3. Remove or disconnect all of the following devices: • Non-Acer devices • Printer, mouse, and other external devices • Battery pack • Hard disk drive • DIMM • CD - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 109
View Chapter 5 No. Code 1 SPKR_L1 2 KB1 3 AMIC1 4 SPKR_R1 5 PSCN1 6 TPCN1 7 FPCN1 8 RTC1 9 USBCN1 Connector Left speaker cable connector Keyboard cable connector MIC cable connector Right speaker cable connector Volume button board cable connector Touchpad board cable connector - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 110
Bottom View No. Code 1 BT1 2 LOUT1 3 MICIN1 4 LIN1 5 USB1 & USB3 6 CRT1 7 FAN1 8 HDMI1 9 RJ45 10 DCIN1 11 CPU1 Connector Bluetooth board cable connector Headphone/speaker/line-out jack Microphone-in jack Line-in port USB 2.0 ports VGA port Heatsink fan cable connector HDMI - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 111
or when the system enters into the BIOS Setup menu. If it is necessary to bypass the password check, the user needs to short the hardware gap to clear the password by following these steps: • Power off the system, and remove the HDD, AC adapter and battery from the computer. • Open the back cover - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 112
AC adapter and the battery must be connected. If this function is enabled, the system will force the BIOS to enter a special BIOS block called Boot Block. Steps for BIOS Recovery by Crisis Disk Before doing this, prepare a Crisis Disk (refer to the "Steps for Creating the Crisis Disk in Windows XP - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 113
3. Decompress the Crisis Package Source. Select WINCRIS.EXE and then select Run as administrator under Windows. 4. Keep the default settings and then click on the Start button. 5. When the pop-up warning dialog box appears, press OK to continue creating the Crisis Disk. Chapter 5 105 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 114
6. The Crisis Disk will be created after a few seconds. 7. Press No if you do not want to create another Crisis Disk. 106 Chapter 5 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 115
8. Reconnect the USB removable storage device and check if it contains the 3 files shown in the following figure. Chapter 5 107 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 116
108 Chapter 5 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 117
This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of Aspire 5740/5740D/ 5340 Series. Refer to this made, it will not be noted on the printed Service Guide. For ACER AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code from those - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 118
Exploded Diagram 110 Chapter 6 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 119
FRU List Aspire 5740/5740D/5340 Series FRU List 1. ACER_ASPIRE 5740 UMACBB_JV50_CP (NO: LX.PM902.064/88 ) Category ADAPTER No. Part Name and Description 1 ADAPTER 65W 19V 3PIN DELTA ADP-65JH DB A LV5 LED LF YELLOW Acer Part No. AP.06501.026 1 ADAPTER 65W 19V 3PIN LITEON PA-1650-22AC LV5 LED - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 120
066 1 BLUETOOTH BOARD CABLE 50.PAW01.004 1 FINGER PRINT / TP BUTTON BAORD CABLE 2 LED BUTTON BOARD CABLE 2 LED BUTTON BOARD CABLE 2 LED LCD/CAMERA CABLE 2 LED LCD/CAMERA CABLE 2 MODEM CABLE 2 MODEM CABLE 1 POWER CORD 10A 250V ARGENTINE 1 POWER CORD 10A 125V US 1 POWER CORD 10A - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 121
POWER CORD 7.5A 250V 3P AUSTRALIA BK 1 POWER CODE 7A 125V 2PIN JAPAN 1 TOUCHPAD CABLE 1 TOUCHPAD CABLE 1 USB BOARD CABLE 1 USB BOARD CABLE 1 USB BOARD CABLE 2 CAMERA 0.3M SUYIN CN0314-SN30-OV03-5 Acer 002 60.PAW01.004 2 LCD COVER IMR 15.6" BLUE W/ANTENNA*2 & LOGO FOR HMW 60.PEZ01.001 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 122
Category No. Part Name and Description Acer Part No. 1 MIDDLE COVER W/BLUETOOTH BUTTON WITH BLUE LIGHT (P-KEY) 42.PAW01.001 SATA FOR HF+WINDOWS7 KO.0040D.004 1 CPU INTEL CORE I5 540M 2.53G ARRANDALE 3M KC.54001.DM P 1 CPU INTEL CORE I3 330M PGA 2.13G 35W ARRANDALE TJ90 KC.33001.DM VT 3M - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 123
Category DVD-RW DRIVE HDD/HARD DISK DRIVE HEATSINK KEYBOARD No. Part Name and Description Acer Part No. 2 ODD PANASONIC SUPER-MULTI DRIVE 12.7MM TRAY DL 8X UJ890A LF W/O BEZEL SATA HF+WINDOWS 7 KU.00807.070 2 ODD HLDS SUPER-MULTI DRIVE 12.7MM TRAY DL 8X GT30N LF W/O BEZEL SATA FOR HF+WINDOWS7 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 124
KB.I170A.038 1 KEYBOARD 104KEYS NSK-ALA0J AC7T JV50 INTERNAL 17 STANDARD BLACK TEXTURE FRENCH CANADIAN KB.I170A.058 1 LED LCD MODULE 15.6" WXGA GLARE BLUE W/ ANTENNA*2&CAMERA FOR 8MS 400:1 LK.15608.002 2 LED LCD CMO 15.6" W WXGA GLARE N156B6-L06 LF 220NIT 8MS 500:1 LK.1560D.007 Chapter 6 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 125
Category MAINBOARD MEMORY MICROPHONE MISCELLANEOUS SCREWS SPEAKER No. Part Name and Description Acer Part No. 1 MAINBOARD JV50_CP UMA HM55 LF W/RTC BATTERY&MODEM BOARD NONE 3G MB.PM601.00 2 1 SODIMM 1GB DDRIII 1066MHZ KINGSTON ACR128X64D3S1066C7 LF 128*8 0.07UM KN.1GB07.001 1 SODIMM 1GB - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 126
Model Definition and Configuration Appendix A Appendix A 118 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 127
Aspire 5740/5740D/5340 NOTE: All models have following common specifications: aard reader (5-in-1), wireless LAN (3rd WiFi 2x2 BGN), NB chipset (HM55), battery 1/ Memory 2 HDD 1(GB) ODD Bluetooth Finger Print SO2GBIII10 N500GB5.4KS NSM8XS N N Adapter Camera K/B 90W 0.3M DV FR/Arabic - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 128
120 Appendix A AS5740DG434G50Mn AS5740DG334G32Mn AS5740DG434G50Mn AS5740DG434G50Mn AS5740DG434G50Mn AS5740DG334G32Mn AS5740DG334G32Mn AS5740DG434G50Mn AS5740DG434G50Mn AS5740DG434G50Mn AS5740DG434G50Mn AS5740DG434G50Mn AS5740DG434G50Mn AS5740DG434G50Mn AS5740DG434G50Mn EMEA EMEA EMEA EMEA EMEA - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 129
121 Appendix A AS5740DG434G64Mn AS5740DG434G50Mn AS5740DG334G32Mn AS5740DG434G50Mn AS5740DG434G50Mn AS5740DG434G50Mn AS5740DG434G50Mn AS5740DG434G50Mn AS5740DG434G50Mn AS5740DG434G50Mn AS5740DG434G50Mn AS5740DG434G50Mn AS5740DG434G50Mn AS5740DG434G50Mn AS5740DG434G50Mn EMEA EMEA EMEA EMEA EMEA - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 130
122 Appendix A AS5740DG-434G50Mn EM AS5740DG434G50Mn EMEA Middle East LX.PRF02.031 W7HP64EMATME2 MC MADISON_PRO1GBCbb_V3 2*2G/500_L/ 6L2.2/5R/ Ci5430M NLED15.6 WXGAGD MADISON_PRO 1G-DDR3 (64*16*8) SO2GBIII10 N500GB5.4KS NSM8XS N N CB_3D_GN_0.3D_GC_GWW_HG_AR11 AS5740DG-434G50Mn - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 131
123 Appendix A AS5740DG-332G32Mn W7HB64SCATCN1 AS5740DG332G32Mn CHINA China LX.PRF01.001 MC MADISON_PRO1GBCbb_V3 1*2G/320/ 6L2.2/5R/ Ci3330M N15.6WXG AGD MADISON_PRO 1G-DDR3 (64*16*8) SO2GBIII10/N N320GB5.4KS NSM8XS N N CB_GN_0.3D_GC_GWE_HG_SC13 AS5740DG-624G64Mn W7HP64ATAU1 MC - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 132
124 Appendix A AS5740DG334G32Mn AS5740DG334G32Mn AS5740DG334G32Mn AS5740DG334G32Mn AS5740DG334G32Mn AS5740DG334G32Mn AS5740DG334G32Mn AS5740DG334G32Mn AS5740DG334G32Mn AS5740DG334G32Mn AS5740DG334G32Mn AS5740DG334G32Mn AS5740DG334G32Mn AS5740DG334G32Mn AS5740DG334G32Mn EMEA EMEA EMEA EMEA EMEA - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 133
125 Appendix A AS5740DG-334G32Mn W7HP64ATNL1 MC AS5740DG334G32Mn EMEA Holland LX.PRF02.082 MADISON_PRO1GBCbb_V3 2*2G/320/ 6L2.2/5R/ Ci3330M N15.6WXG AGD MADISON_PRO 1G-DDR3 (64*16*8) SO2GBIII10 N320GB5.4KS NSM8XS N N CB_GN_0.3D_GC_GWW_HG_NL11 AS5740DG-334G32Mn W7HP64ATPL1 MC - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 134
126 Appendix A AS5740G-434G50Mn EM AS5740G434G50Mn EMEA South Africa LX.PMB02.182 W7HP64EMATZA2 MC MADISON_PRO1GBCbb_V3 2*2G/500_L/ Ci5430M NLED15.6 WXGAG MADISON_PRO 1G-DDR3 (64*16*8) SO2GBIII10 N500GB5.4KS NSM8XS BT 2.1 N BT/6L2.2/5R/CB_GN_0.3D_HG_ES61 AS5740G624G50Mn AAP India - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 135
127 Appendix A AS5740G-435G50Mn W7HP64ATSG1 MC AS5740G435G50Mn AAP Singapore LX.PMB02.164 MADISON_PRO1GBCbb_V3 4G+1G/ 500_L/BT/6L2.2/5R/ Ci5430M NLED15.6 WXGAG MADISON_PRO 1G-DDR3 (64*16*8) SO4GBIII10/ SO1GBIII10 N500GB5.4KS NSM8XS BT 2.1 N CB_GN_0.3D_HG_ES61 AS5740G436G64Mn AAP - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 136
128 Appendix A AS5740G-334G50Mn W7HP64RUATRU1 AS5740G334G50Mn EMEA Russia LX.PMB02.146 MC MADISON_PRO1GBCbb_V3 2*2G/ 500_L/BT/6L2.2/5R/ Ci3330M NLED15.6 WXGAG MADISON_PRO 1G-DDR3 (64*16*8) SO2GBIII10 N500GB5.4KS NSM8XS BT 2.1 N CB_GN_0.3D_HG_RU11 AS5740G544G64Bn AAP Australia/ New - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 137
129 Appendix A AS5740G-434G50Mn EM AS5740G434G50Mn EMEA Middle East LX.PMB02.130 W7HP64EMATME4 MC MADISON_PRO1GBCbb_V3 2*2G/500_L/ Ci5430M NLED15.6 WXGAG MADISON_PRO 1G-DDR3 (64*16*8) SO2GBIII10 N500GB5.4KS NSM8XS N N 6L2.2/5R/CB_GN_0.3D_HG_RU61 AS5740G-434G50Mn EM AS5740G434G50Mn - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 138
130 Appendix A AS5740G434G50Mn EMEA Serbia/ Macedonia LX.PMB02.098 AS5740G-434G50Mn W7HP64ATCS1 MC MADISON_PRO1GBCbb_V3 2*2G/500_L/ 6L2.2/5R/CB_GN_0.3D_HG_SL11 Ci5430M NLED15.6 WXGAG MADISON_PRO 1G-DDR3 (64*16*8) SO2GBIII10 N500GB5.4KS NSM8XS N N AS5740G434G50Mn EMEA Eastern Europe - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 139
131 Appendix A AS5740G-334G64Mn EM AS5740G334G64Mn EMEA South Africa LX.PMB02.006 W7HP64EMATZA4 MC MADISON_PRO1GBCbb_V3 2*2G/640/ Ci3330M NLED15.6 WXGAG MADISON_PRO 1G-DDR3 (64*16*8) SO2GBIII10 N640GB5.4KS NSM8XS N N 6L2.2/5R/CB_GN_0.3D_HG_ES61 AS5740G-434G50Mn EM AS5740G434G50Mn - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 140
132 Appendix A AS5740G-334G64Mn EM AS5740G334G64Mn EMEA Middle East LX.PMB02.009 W7HP64EMATME2 MC MADISON_PRO1GBCbb_V3 2*2G/640/ Ci3330M NLED15.6 WXGAG MADISON_PRO 1G-DDR3 (64*16*8) SO2GBIII10 N640GB5.4KS NSM8XS N N 6L2.2/5R/CB_GN_0.3D_HG_AR11 AS5740G434G50Mn EMEA Czech LX.PMB02. - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 141
133 Appendix A AS5740G334G32Mn EMEA Greece LX.PMB02.089 AS5740G-334G32Mn W7HP64ATGR1 MC MADISON_PRO1GBCbb_V3 2*2G/320/ 6L2.2/5R/CB_GN_0.3D_HG_EL31 Ci3330M NLED15.6 WXGAG MADISON_PRO 1G-DDR3 (64*16*8) SO2GBIII10 N320GB5.4KS NSM8XS N N AS5740G336G50Mn EMEA France LX.PMB02.053 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 142
134 Appendix A AS5740G334G64Mn AS5740G334G64Mn AS5740G334G64Mn AS5740G334G64Mn AS5740G334G64Mn AS5740G334G64Mn AS5740G334G64Mn AS5740G334G64Mn AS5740G334G64Mn AS5740G334G64Mn AS5740G334G64Mn AS5740G334G64Mn AS5740G334G64Mn AS5740G334G64Mn AS5740G334G64Mn AS5740G334G64Mn AS5740G334G64Mn - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 143
135 Appendix A AS5740G-334G64Mn EM AS5740G334G64Mn EMEA Middle East LX.PMB02.018 W7HP64EMATME4 MC MADISON_PRO1GBCbb_V3 2*2G/640/ Ci3330M NLED15.6 WXGAG MADISON_PRO 1G-DDR3 (64*16*8) SO2GBIII10 N640GB5.4KS NSM8XS N N 6L2.2/5R/CB_bgn_0.3D_HG_RU61 AS5740G-334G64Mn EM AS5740G334G64Mn - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 144
136 Appendix A AS5740G-352G25Mn EM AS5740G352G25Mn AAP Vietnam LX.PMF02.098 W7HP64EMATVN1 MC PARK_XT512Cbb_V3 1*2G/250/6L2.2/5R/ Ci3350M NLED15.6 WXGAG PARK_XT 512M-DDR3 (64*16*4) SO2GBIII10/N N250GB5.4KS NSM8XS N N CB_GN_0.3D_HG_ES61 AS5740G354G50Mn AAP Vietnam LX.PMF0C.015 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 145
137 Appendix A AS5740G-352G25Mn EM AS5740G352G25Mn AAP Vietnam LX.PMF02.089 W7HP64EMATVN1 MC PARK_XT512Cbb_V3 1*2G/250/BT/6L2.2/ Ci3350M NLED15.6 WXGAG PARK_XT 512M-DDR3 (64*16*4) SO2GBIII10/N N250GB5.4KS NSM8XS BT 2.1 N 5R/CB_GN_0.3D_HG_ES61 AS5740G334G50Mn AAP Vietnam LX.PMF0C. - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 146
138 Appendix A AS5740G524G50Mn AAP Singapore LX.PMF02.074 AS5740G-524G50Mn W7HP64ATSG1 MC PARK_XT512Cbb_V3 2*2G/500_L/BT/ 6L2.2/5R/CB_GN_0.3D_HG_ES61 Ci5520M NLED15.6 WXGAG PARK_XT 512M-DDR3 (64*16*4) SO2GBIII10 N500GB5.4KS NSM8XS BT 2.1 N AS5740G524G64Mn AAP Singapore LX.PMF02.073 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 147
139 Appendix A AS5740G334G32Mn EMEA Germany LX.PMF02.060 AS5740G-334G32Mn W7HP64ATDE1 MC PARK_XT512Cbb_V3 2*2G/320/6L2.2/5R/ CB_GN_0.3D_HG_DE11 Ci3330M NLED15.6 WXGAG PARK_XT 512M-DDR3 (64*16*4) SO2GBIII10 N320GB5.4KS NSM8XS N N AS5740G333G32Mn EMEA Austria LX.PMF02.020 AS5740G- - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 148
140 Appendix A AS5740G-333G32Mn EM AS5740G333G32Mn EMEA Turkey LX.PMF02.012 W7HP64EMATTR1 MC PARK_XT512Cbb_V3 2G+1G/320/6L2.2/ Ci3330M NLED15.6 WXGAG PARK_XT 512M-DDR3 (64*16*4) SO2GBIII10/ SO1GBIII10 N320GB5.4KS NSM8XS N N 5R/CB_GN_0.3D_HG_TR31 AS5740G-333G32Mn EM AS5740G333G32Mn - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 149
141 Appendix A AS5740G524G50Mn AAP Australia/ New Zealand LX.PMF02.056 AS5740G-524G50Mn W7HP64ATAU1 MC PARK_XT512Cbb_V3 2*2G/500_L/BT/ 6L2.2/5R/CB_GN_0.3D_HG_ES61 Ci5520M NLED15.6 WXGAG PARK_XT 512M-DDR3 (64*16*4) SO2GBIII10 N500GB5.4KS NSM8XS BT 2.1 N AS5740G434G32Mn AAP Australia/ - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 150
142 Appendix A AS5740G434G32Mn AAP India LX.PME02.005 AS5740G-434G32Mn W7HP64INATIN1 MC PARK_XT512bb_V3 2*2G/320/BT/6L2.2/ 5R/CB_GN_HG_ES61 Ci5430M NLED15.6 WXGAG PARK_XT 512M-DDR3 (64*16*4) SO2GBIII10 N320GB5.4KS NSM8XS BT 2.1 N AS5740G334G32Mn AAP India LX.PME02.004 AS5740G- - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 151
143 Appendix A AS5740353G32Mn AS5740434G50Mn AS5740354G50Mn AS5740354G50Mn AS5740354G50Mn AS5740353G32Mn AS5740353G32Mn AS5740353G32Mn AS5740352G25Mn AS5740334G50Mn AS5740334G50Mn AS5740332G25Mn AS5740332G25Mn AS5740333G32Mn AS5740333G32Mn AS5740432G32Mn AS5740432G32Mn AS5740354G50Mn - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 152
144 Appendix A AS5740435G50Mn AS5740434G50Mn AS5740336G50Mn AS5740334G50Mn AS5740434G50Mn AS5740434G32Mn AS5740434G32Mn AS5740335G50Mn AS5740335G50Mn AS5740336G50Mn AS5740334G50Mn AS5740334G32Mn AS5740334G32Mn AS5740333G32Mn AS5740333G32Mn AS5740334G32Mn AS5740333G25Mn AS5740332G32Mn - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 153
145 Appendix A AS5740334G32Mn AS5740332G64Mn AS5740333G32Mn AS5740333G25Mn AS5740334G50Mn AS5740334G32Mn AS5740434G50Mn AS5740434G32Mn AS5740434G32Mn AS5740434G50Mn AS5740333G32Mn AS5740432G32Mn AS5740332G32Mn AS5740332G50Mn AS5740524G50Bn AS5740523G32Mn AS5740334G32Bn AS5740334G32Bn - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 154
146 Appendix A AS5740334G32Mn AS5740354G32Mn AS5740624G32Mn AS5740544G32Mn AS5740524G32Mn AS5740334G32Mn AS5740334G32Mn AS5740334G32Mn AS5740334G32Mn AS5740333G32Mn AS5740334G50Mn AS5740434G50Mn AS5740333G32Mn AS5740434G50Mn AS5740333G32Mn AS5740334G50Mn AS5740434G50Mn AS5740333G32Mn - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 155
147 Appendix A AS5740434G50Mn AS5740333G32Mn AS5740434G50Mn AS5740333G32Mn AS5740332G25Mn AS5740524G32Bn AS5740333G32Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 156
148 Appendix A AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 157
Appendix A 149 AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mn AS5740334G50Mi AS5740432G32Mn AS5740432G32Mn EMEA EMEA EMEA EMEA EMEA AAP AAP Middle East Middle East Algeria Ukraine Russia Japan Japan LX.PM902.008 LX.PM902.017 LX.PM902.011 LX.PM902.005 LX.PM902.004 LX.PM602.002 LX. - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 158
Appendix A 150 - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 159
This computer's compatibility is tested and verified by Acer's internal testing department. All of its system functions are tested under compatible Windows® operating system for each model. Refer to the following lists for components, adapter cards, and peripherals which have passed these tests - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 160
) Techworks 4-Port USB2.0 Mini HUB(OW4PTUSBHB) USB Keyboard / Mouse First Wheel Mouse Internet Navigator Keyboard Dell L30U 0N242F USB Keybaord USB ODD DVD+R/RW Vendor Buffalo Buffalo X Bridge Motorola Logitech Motorola Sony Acer Acer Dell Dell Dell Dell Hawk Dell FarEasTone Chunghwa Telecom - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 161
Card 4GB SD PRO Memory Card SanDisk multi-use SD Class2 Memory Card 2GB SD card 2GB (150x Hi-Speed) SanDisk microSDHC 4GB Card with Adapter "Kingston SDHC SD4 32GB Card High speed 1GB Memory stick Pro Duo MS PRO Dou 2GB High Speed MS PRO 2GB Memory Card SanDisk Meomry - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 162
154 Appendix B - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 163
and valuable support resources whenever you need them. In the Technical Information section you can download information on all of Acer's Notebook, Desktop and Server models including: • Service guides for all models • User's manuals • Training materials • Bios updates • Software utilities - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 164
156 Appendix C - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 165
Battery Pack 36 battery power indicator 10 BIOS 14 vendor 14 Version 14 BIOS Recovery 103 BIOS Recovery Boot Block 104 BIOS Recovery by Crisis Disk 104 steps 104 BIOS Recovery Hotkey 104 BIOS Utility 21-31 Navigating 22 Security 25 System Security 30 brightness hotkeys 13 button/indicator bluetooth - Acer Aspire 5740 | Acer Aspire 5740, Aspire 5740G Notebook Series Service Guide - Page 166
26 Middle cover removing 47 Model 119 Model Definition 118 N notebook tour 5 num lock on indicator 6 O Online Support Information 155 P password changing 27 removing 27 setting 27 Power System Check 85 Battery Pack 86 Power Adapter 85 158 Processor 14 S Screw List 34 speakers hotkey 13 System