Acer Aspire V3-731 Acer Aspire V3-771G Notebook Service Guide
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- Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 1
Acer V3-771/V3-771G SERVICEGUIDE - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 2
below for the updates made to this V3-771/V3-771G service guide. Date Chapter Updates Service guide files and updates are available on the ACER/CSD Website. For more information, go to http://csd.acer.com.tw. Disclaimer The information in this guide is subject to change without notice. There - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 3
the data, press Enter. General information 0 Before using this information and the product it supports, read the following general information. This service guide provides you with all technical information relating to the basic configuration for Acer's global product offering. To better fit - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 4
iv - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 5
Keys and Controls 1-8 I/O Ports 1-8 Software 1-9 Environment 1-10 Notebook Tour 1-11 Top Cover View 1-11 Keyboard View 1-12 Closed 1-20 Windows Keys 1-21 Hotkeys 1-22 Specification Tables 1-25 CHAPTER 2 System Utilities BIOS Setup Utility 2-3 Navigating the BIOS Utility 2-3 BIOS 2-4 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 6
2-18 Removing BIOS Passwords 2-20 Cleaning BIOS Passwords 2-21 Using DMI Tools 2-22 LAN MAC EEPROM Utility 2-29 CHAPTER 3 Machine Maintenance Machine Disassembly and Replacement 3-5 Recommended Equipment 3-5 Replacement Requirements 3-5 Pre-disassembly Instructions 3-6 Disassembly Process - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 7
Replacing the CPU 3-90 Replacing the Thermal Module 3-92 Replacing the Motherboard 3-95 Replacing the IO Board 3-98 Replacing the Keyboard 3-100 the Main Door 3-127 Replacing the Battery 3-128 CHAPTER 4 Troubleshooting Introduction 4-3 General Information 4-3 Power On Issues 4-4 No Display - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 8
and BIOS Recovery 5-6 Clearing Password Check 5-6 Clear CMOS Jumper 5-7 BIOS Recovery by Crisis Disk 5-8 CHAPTER 6 FRU List V3-771/V3-771G Exploded Diagrams 6-4 Main Assembly 6-4 FRU List 6-6 Screw List 6-13 CHAPTER 7 Test Compatible Components Microsoft® Windows® 7 Environment Test 7-4 V3 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 9
Introduction 8-3 ix - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 10
x - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 11
CHAPTER 1 Hardware Specifications - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 12
I/O Ports 1-8 Software 1-9 Environment 1-10 Notebook Tour 1-11 Top Cover View 1-11 Keyboard 18 Using the Keyboard 1-19 Lock Keys 1-20 Windows Keys 1-21 Hotkeys 1-22 System Block Diagram Graphics Controller 1-30 Video Interface 1-30 BIOS 1-31 LAN Interface 1-31 Keyboard 1-31 Hard Disk - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 13
1-35 Display Supported Resolution (System Supported Resolution 1-35 Graphics Controller 1-36 Display Supported Resolution (GPU Supported Resolution 1-36 Display Supported Resolution (LCD panel Supported Resolution 1-37 Bluetooth Interface 1-37 Bluetooth Module 1-37 Camera 1-38 WIFI Card 1-38 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 14
1-4 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 15
the computer's many features: Operating System 0 Genuine Windows® 7 Home Premium 64-bit Genuine Windows® 7 Home Basic 64-bit Platform 0 Intel i7-3720QM processor (6 MB L3 cache, 2.60 GHz.45W), supporting Intel® 64 architecture, Intel® Smart Cache Mobile Intel® HM77 Express Chipset System Memory - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 16
, Surround Virtualizer for Headphones, Surround Virtualizer for Built-in Speakers, and Dolby® Digital Output technologies Two built-in 20mm diameter stereo speakers and the Acer Tuba CineBass booster supporting low-frequency effects True-5.1-channel surround sound output High-definition audio - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 17
Acer Video Conference, featuring: 1.3M webcam with 1280*1024 effective resolution Supports 720P resolution online video calls Wireless and networking 0 WLAN: WiFi 2X2 AGN WPAN: BT4.0 Atheros WB222 LAN: Gigabit Ethernet (10/100/1000 Mbps) Privacy Control 0 HDD password BIOS user - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 18
414.8 (L) x 275 (W) x 34~34.65 (H) mm Weight 0 3.215 kg with 6 cell battery Power Adapter and Battery 0 ACPI 3.0 CPU power management standard: supports Standby and Hibernation power-saving modes Power adapter 0 3-pin 65 W AC adapter: 95.0 (W) x 50.0 (D) x 25.4 (H) mm 216 g with 180 cm power - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 19
Protection Shortcut McAfee Internet Security Suite WW McAfee Virus Definitions MyWinLocker Suite Norton Online Backup Multimedia Acer Crystal Eye Webcam Acer clear.fi Tutorial Acer clear.fi client Acer clear.fi NTI Media Maker Hardware Specifications and Configurations 0 0 0 0 1-9 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 20
Kids Wild Tangent WW Acer Edition Communication and ISP 0 Skype Windows Live Essentials 2011 Web links and utilities 0 Acer Accessory Store Bing Bar Bing Setup eBay Shortcut 2009 Internet Explorer 9 Silverlight Environment 0 Temperature: Operating: 5 °C to 35 °C Non-operating - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 21
This section provides an overview of the features and functions of the notebook. Top Cover View 0 Figure 1-1. Top Cover View Table 1-1. Top called Liquid-Crystal Display (LCD), displays computer output. 3 Webcam Web camera for video communication. Hardware Specifications and Configurations 1- - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 22
Figure 1-2. Keyboard View Table 1-2. Keyboard View No Icon Item 1 Power button Description Turns the computer on and off. 2 Keyboard For entering data into your computer. 3 Touchpad Touch-sensitive pointing device which functions like a computer mouse. 4 Click buttons (left and The - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 23
Closed Front View 0 Figure 1-3. Closed Front View Table 1-3. Closed Front View No Icon Item 1 Power indicator Description Indicates the computer's power status. Battery indicator HDD indicator Indicates the computer's battery status. 1. Charging: The light shows amber when the battery is - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 24
models are also available. Connects to an Ethernet 10/100/1000-based network. Connects to a display device (e.g., external monitor, LCD projector). Supports high definition digital video connections. Connect to USB devices. A USB 3.0 port can be distinguished by its blue connector (see below). 1-14 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 25
inputs from external microphones. 2 USB 2.0 ports Connect to USB 2.0 devices (e.g., USB mouse, USB camera). 3 Optical drive Internal optical drive; accepts CDs or DVDs. 4 Optical disk access Lights up when the optical drive is active. indicator 5 Optical drive eject Ejects the optical - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 26
Base View 0 Figure 1-6. Base View Table 1-6. Base View No Icon Item 1 Battery release latch Description Releases the battery for removal. Insert a suitable tool into the latch and slide to release. 2 Hard disk bay Houses the computer's hard disk (secured with screws). Memory compartment - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 27
Indicators 0 The computer has five easy-to-read status indicators. The following indicators are visible even when the computer cover is closed. Table 1-7. Indicators Icon Function Power indicator Description Indicates the computer's power status. Battery indicator HDD indicator Indicates the - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 28
TouchPad is the same as clicking the left button. Table 1-8. Touchpad Function Left Button (2) Execute Quickly click twice. Select Click once. Access context menu Right Button (3) Click once. Main Touchpad (1) Rapidly tap twice. Tap once. 1-18 Hardware Specifications and Configurations - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 29
Using the Keyboard 0 The keyboard contains an embedded numeric keypad, a separate cursor, windows key, lock function keys, special and full sized keys. Figure 1-8. Keyboard Lock Keys Hardware Specifications and Configurations 1-19 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 30
as numeric key padlock. If an external keyboard or keypad is present, the Num Lock will have the following definitions: When On, the system boots with external keyboard/keypad Num Lock status On. Internal keyboard overlay numeric keys are disabled. The key can be turned on/off via the internal - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 31
variety of functions. Functions supported by Windows XP, Windows Vista, and Windows 7: < >: Open or close the Start menu < > + : Open the Run dialog box < > + : Minimizes all windows + < > + M: Undo minimize all windows < > + : Show the help window < > + : Open Windows Explorer - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 32
Hotkeys 0 The computer uses hotkeys or key combinations to access most computer controls. To activate hotkeys, press and hold the key before pressing the key in the combination. Figure 1-9. Keyboard Hotkeys Table 1-11. Hotkeys Hotkey + + Icon Function Communication key - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 33
Table 1-11. Hotkeys (Continued) Hotkey Icon Function + < ▽ > Volume down + Play/Pause + Stop + Previous + Next Description Decreases the sound volume. Play or pause a selected media file. Stop playing the selected media file. Return - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 34
System Block Diagram VA70 BLOCK DIAGRAM HDMI PAGE 39 CRT PAGE 38 LVDS/eDP PAGE 37 Head Phone ( USB PORT9 Azalia Codec RTK/ALC271 (VB6) PAGE 41 42 EC PAGE 30 IT8518E Azalia LPC HSPI SPI ROM 4MB (BIOS/EC) PAGE 30 SPI ROM SPI 2MB (ME) PAGE 28 SATA HDD PAGE 60 SATA HDD PAGE 60 SATA ODD - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 35
Specification Tables 0 Computer specifications Item Metric Imperial Dimensions Length 414.8 mm 16.3 in Width 275.0 mm 10.8 in Height 34.6 mm 1.4 in Weight (equipped with optical 3.2 kg with HDD drive, flash drive, and battery) 7.0 lbs with HDD Input power Operating voltage 19V at - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 36
Core logic VGA LAN USB 3.0 Embedded controller Bluetooth Wireless TPM PCMCIA Audio codec Card reader Specification 32-KB instruction and 32-KB data first-level cache (L1) for each core A 256-KB shared instruction/data second-level cache (L2) for each core Up to 4-MB shared instruction/data third - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 37
Processor Specifications Item i3-2350M i3-2370M i5-2450M i5-2520M i5-2540M i7-2670QM i3-3110M i5-3210M i5-3320M i5-3360M i7-3610QM i7-3720QM CPU Speed (GHz) 2.3 2.4 2.5 2.5 2.6 2.2 2.3 2.5 2.6 2.8 2.3 2.6 Cores 2 2 2 2 2 4 2 2 2 2 4 4 Mfg Tech 22nm 22nm 22nm 22nm 22nm 22nm 22nm 22nm 22nm 22nm - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 38
DIS 35W CPU Fan True Value Table (Tj85/Tj90/Tj100/Tj105) CPU Temperature (Tj85) CPU Temperature (Tj90) CPU Temperature (Tj100) CPU Temperature (Tj105) 36 36 36 36 51 51 53 51 61 61 62 61 70 70 70 70 78 79 79 79 Throttling 0% Tj85:OS Critical shut down at 83°C; EC Force shut - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 39
Force shut down at 104°C System Memory Item Memory controller Memory size DIMM socket number Supports memory size per slot Supports maximum memory size Supports DIMM type Supports DIMM Speed Support DIMM voltage Supports DIMM package Specification Built in CPU 4 GB DDR3 1333 RAM * 4 4 16 GB (Type - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 40
6144 6144 6144 6144 8192 4096 4096 4096 4096 8192 8192 8192 8192 12288 12288 12288 12288 16384 Graphics Controller VGA Chip Supports Item Video Interface Item Chipset Package Interface Compatibility Sampling rate Specification NVIDIA Optimus™ Geforce GT 630M/640M/650M CUDA®, PhysX®, 3D Vision - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 41
Support Acer UI Support multi-boot Suspend to RAM (S3)/Disk (S4) Various hotkeys for system control Support SMBIOS 2.3 ,PCI2.2. DMI utility for BIOS serial number configurable/asset tag- Support PXE Support keypad Support independent pgdn/pgup/home/end keys Factory configurable - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 42
Transfer rate (KB/sec) Buffer Memory Interface Specification HITACHI-LG Slim DVD Super Multi Drive GT51N/PLDS Slim DVD Super Multi Drive DS-8A8SH With CD Diskette With DVD Diskette Sustained: 3600(24x)Max Sustained: 11080(8x)Max 1MB SATA 1-32 Hardware Specifications and Configurations - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 43
& Volume 2 Super Audio CD (SACD) Hybrid type US & US+ RW DVD: DVD-ROM (Book 1.02), DVD-Dual DVD-Video (Book 1.1) DVD-R (Book 1.0, 3.9G) DVD-R (Book 2.0, 4.7G) - General & Authoring DVD+R (Version 1.0) DVD+RW DVD-RW (Non CPRM & CPRM) DVD+/-R Dual Load: Manual Release: (a) Electrical Release (Release - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 44
2 Super Audio CD (SACD) Hybrid type US & US+ RW DVD: DVD-ROM (Book 1.02), DVD-Dual DVD-Video (Book 1.1) DVD-R (Book 1.0, 3.9G) DVD-R (Book 2.0, 4.7G) - General & Authoring DVD+R (Version 1.0) DVD+RW DVD-RW (Non CPRM & CPRM) DVD+/-R Dual Blu-Ray: BD-R, BD-R DL, BD-RE, BD-RE DL Load: Manual Release - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 45
Manual Release: (a) Electrical Release (Release Button) (b) Release by ATAPI command (c) Emergency Release 5 V +/- 5% (Operating) Item Vendor/model name Screen Diagonal (mm) Active Area (mm) Display resolution (pixels) Pixel Pitch (mm) Typical White Luminance (cd TFT-LCD/ B173RW01 V3 438.4 382.08 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 46
GT630M/640M/650M with dedicated DDR3 VRAM CUDA®, PhysX®, 3D Vision®, Microsoft® DirectX® 11, OpenGL® 4.1, OpenCL™ 1.1 Display Supported Resolution (GPU Supported Resolution) Resolution 640x480p/60Hz 800x600p/60Hz 1024x768p/60Hz 1152x864/60Hz 1280x600/60Hz 1280x720/60Hz 1280x768/60Hz 1280x800/60Hz - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 47
Specification Atheros AR9462 1 Mbps (GFSK) 2 Mbps (π/4-DQPSK) for EDR 3 Mbps (8DPSK) for EDR Bluetooth 4.0 + HS USB 2.0 Bluetooth Module Controller Features Item Specifications Atheros AR9462 Support Class II(TX power maximum to +4dBm) BT transmission speed including 1M, 2M and 3Mbps - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 48
and Model Type Specification LITEON 10P2SF205 LITEON 11P2BF136 CHICONY CKFB15321004970LH SUYIN HF2015-A821-OV01 SUYIN HF1318-P88B-SN04 1.3M WIFI Card Item Vendor and Model Wireless LAN Standards Operating Frequency Form Factor Host Interface PCB Antenna connector Specification FOXCONN T77H348 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 49
Meets Microsoft WLP (Windows Logo Program) audio requirements High performance DACs with digital >110dB and analog 98dB (A-weighting) signal-to-noise High performance ADCs with digital > 100dB and analog 90dB (A-Weighting) signal-to-noise ratio Six DAC channels support 16/20/24-bit PCM - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 50
load from 5-V supply Fully Differential Input Low Supply Current and Shutdown selection Embedded de-pop circuit Specification Realtek ALC271X-VB6 On board Stereo Support 16/20/24bit PCM HD audio Interface; Sample rate up to 192Khz resolution VSR (Variable Sampling Rate) Yes Yes/(2W speaker x1 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 51
Individual devices like CPU and hard disc can be power managed. CPU set power down, VGA Suspend, PCMCIA SuspendAudio, Power Down, Hard Disk Power Down, CD-ROM Power Down, Super I/O Low Power mode. Also called Hibernation Mode. System saves all system states and data onto the disc prior to power off - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 52
size Features Specification REALTEK RTS5209-GR 48-pin LQFP SD: 2T, MMC: 16G, miniSD: 16G Support SD, MMC, MMC plus, MS, xD, SDHC, SDXC UHS104 System LED Indicator Item Power indicator Battery indicator Specification Blue color solid on: System on Blue - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 53
PCI bus Programmable interrupt controller Programmable interrupt controller Programmable interrupt controller Programmable interrupt controller Motherboard resources Programmable interrupt controller Programmable interrupt controller Programmable interrupt controller Hardware Specifications and - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 54
resources System timer Standard PS/2 Keyboard Motherboard resources Microsoft ACPI-Compliant Embedded Controller Motherboard resources Standard PS/2 Keyboard Motherboard resources Microsoft ACPI-Compliant Embedded Controller Motherboard resources Motherboard resources System CMOS/real time clock - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 55
5094 - 5097 FFFF - FFFF FFFF - FFFF System Function (shipping configuration) Motherboard resources Programmable interrupt controller Motherboard resources Motherboard resources PCI bus Motherboard resources Motherboard resources Atheros AR8151 PCI-E Gigabit Ethernet Controller (NDIS 6.20) Intel - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 56
1-46 Hardware Specifications and Configurations - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 57
CHAPTER 2 System Utilities - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 58
the BIOS Utility 2-3 BIOS 2-4 Information 2-4 Main 2-6 Security 2-8 Boot 2-12 Exit 2-13 BIOS Flash Utilities 2-14 DOS Flash Utility 2-15 WinFlash Utility 2-17 Remove HDD/BIOS Password Utilities 2-18 Remove HDD Password Utilities 2-18 Removing BIOS Passwords 2-20 Cleaning BIOS Passwords - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 59
to run Setup. Refer to Chapter 4, Troubleshooting when problem arises. To activate the BIOS Utility, press F2 during POST when prompted at the bottom of screen. The default parameter of F12 Boot Menu is set to disabled. To change boot device without entering BIOS Setup Utility, set the parameter to - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 60
: NOTE: NOTE: The screens provided are for reference only. Actual values may differ by model. Information 0 This tab shows a summary of computer hardware information. Figure 2-1. BIOS Information 2-4 System Utilities - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 61
serial number of HDD installed on primary IDE master. ATAPI Model Name The model name of the installed ODD drive. System BIOS Version Displays system BIOS version. VGA BIOS Version The VGA firmware version of the system. Serial Number The serial number of this unit. Asset Tag Number The asset - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 62
tab allows the user to set system time and date, enable or disable boot option and enable or disable recovery. Figure 2-2. BIOS Main Table 2-2 describes the parameters shown in Figure 2-2. Table 2-2. BIOS Main Parameter Description System Time Sets the system time. The hours are shown with - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 63
LAN (remote server). F12 Boot Menu Enables, disables Boot Menu during POST. D2D Recovery Enables, disables D2D Recovery function. The function allows the user to create a hidden partition on hard disc drive to store operation system and restore the system to factory defaults. SATA Mode Control - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 64
to set the user password. When user password is set, N/A this password protects the BIOS Setup Utility from unauthorized access. The user can enter Setup menu only and does not have right to change the value of parameters. Set HDD Password Enter HDD Password. N/A Password on Boot Defines whether - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 65
: Users can opt to enable the Password on boot parameter. 4. Press F10 to save changes and exit the BIOS Setup Utility. Removing a Password 0 Perform the following: 1. Use the and keys to highlight Set Supervisor Password and press Enter. The Set Supervisor Password box appears: Figure 2-5. Set - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 66
in the Enter New Password field. Retype the password in the Confirm New Password field. Figure 2-7. Setup Notice 4. Press Enter. The computer sets User Password parameter to Set. NOTE: NOTE: Users can enable the Password on boot parameter. 5. Press F10 to save changes and exit the BIOS Setup Utility - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 67
Figure 2-9. Setup Warning System Utilities 2-11 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 68
the order of boot devices used to load the operating system. Bootable devices include the: USB diskette drives Onboard hard disk drive DVD drive in the module bay Use and keys to select a device and press F5 or F6 to move it up or down the list. Figure 2-10. BIOS Boot 2-12 System - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 69
Exit 0 The Exit tab allows users to save or discard changes and quit the BIOS Utility. Figure 2-11. BIOS Exit Table 2-4 describes the parameters in Figure 2-11. Table 2-4. Exit Parameters Parameter Description Exit Saving Changes Exit System Setup and save changes to the system. - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 70
when it becomes corrupted. Use the Flash utility to update the system BIOS Flash ROM. NOTE: NOTE: Create a Crisis Recovery Disc, if one is not available, before the Flash utility is used. NOTE: NOTE: Do not install memory related drivers (XMS, EMS, DPMI) when the Flash is used. NOTE: NOTE: Use the - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 71
Perform the following to use the DOS Flash Utility: 1. Press F2 during boot to enter the Setup Menu. 2. Select Boot Menu to modify the boot priority order. Example: If using USB HDD to Update BIOS, move USB HDD to position 1. Figure 2-12. BIOS Boot 3. Execute the < UPDATE.BAT > batch file to update - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 72
Figure 2-13. DOS Flash 4. In flash BIOS, the message Please do not remove AC Power Source is shown. NOTE: NOTE: If AC power is not connected, the following message (Figure 2-14) is - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 73
WinFlash Utility 0 Perform the following to use the WinFlash Utility: 1. Double click the WinFlash executable. 2. Click OK to begin the update. A progress screen is shown (Figure 2-15). Figure 2-15. InsydeFlash System Utilities 2-17 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 74
details for removing HDD/BIOS passwords. Remove HDD Password Utilities 0 This section provides details for removing HDD passwords. Remove HDD Password as follows: NOTE: NOTE: If the HDD password is incorrectly entered three times, an error is generated, you will see below menu (Figure 2-16). Figure - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 75
Enter the password from the Step 1 to unlock the HDD (Figure 2-19). Figure 2-19. Unlock Password NOTE: NOTE: After customer clearing the HDD password, HDD maybe in "Frozen" state. Please power off system. Then, power on to Win system, HDD Password will be in normal. Figure 2-20. HDD Password Frozen - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 76
Removing BIOS Passwords 0 To clear User or Supervisor passwords, open the Main door and remove the mylar from DIMM then use a metal instrument to short the RTCRST# point.(Figure 2-21 and Figure 2-22) Figure 2-21. CMOS Jumper Figure 2-22. CMOS Jumper r 2-20 System Utilities - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 77
Ctrl and Alt key and then continually stroke Enter key until POST LOGO finish. 3. System will display "Press Y or y key to clear BIOS password.". 4. After press Y/y key, BIOS will clear BIOS password and reboot system. Figure 2-23. Clear BIOS Password The on screen message indicates the function - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 78
Using DMI Tools 0 The DMI (Desktop Management Interface) Tool copies BIOS information to EEPROM. Used in the DMI pool for hardware management. 1. Execute < MN.bat > to update SMBIOS Type 1 Manufacturer Name(Figure 2-23). Figure 2-24. Manufacture Name 2-22 System Utilities - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 79
2. Execute < PN.bat > to update SMBIOS Type 1 Product Name(Figure 2-24). Figure 2-25. Update Product Name System Utilities 2-23 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 80
3. Execute < SN.bat > to update SMBIOS Type 1 Serial Number(Figure 2-25). Figure 2-26. Update Serial Number 2-24 System Utilities - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 81
4. Execute < AT.bat > to update SMBIOS Type 3 Asset Tag Number(Figure 2-26). Figure 2-27. Update Asset Tag System Utilities 2-25 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 82
5. Execute < RU.bat > to read SMBIOS Type 1 UUID(Figure 2-27). Figure 2-28. Read UUID 2-26 System Utilities - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 83
6. Execute < WU.bat > to write SMBIOS Type 1 UUID(Figure 2-28). Figure 2-29. Write UUID System Utilities 2-27 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 84
7. Execute < GU.bat > to generate and write SMBIOS Type 1 UUID (Figure 2-29). Figure 2-30. Generate and write UUID 2-28 System Utilities - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 85
remove the HDD form the computer. 3. Reboot the computer and press F2 during the boot sequence to enter the setup menu. 4. Select the Boot menu item and move the entry "USB HDD" to the first position. Refer to Boot. 5. Insert the USB HDD and reboot the computer. 6. At the command prompt, navigate to - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 86
8. Under DOS, run command "memcfg -c" to check current MAC address (Figure 2-32). Figure 2-32. Execute MAC Tool 9. Run command to program the MAC address (Figure 2-33). memcfg -p MAC.ini Figure 2-33. Program MAC addressScreen 2-30 System Utilities - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 87
10. Run command "memcfg -c" to check the MAC address programmed correctly (Figure 2-34). Figure 2-34. MAC address changed 11. When this process has completed, exit to C root folder then reboot. System Utilities 2-31 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 88
2-32 System Utilities - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 89
CHAPTER 3 Machine Maintenance - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 90
Equipment 3-5 Replacement Requirements 3-5 Pre-disassembly Instructions 3-6 Disassembly Process 3-7 External Module Disassembly 3-42 Removing the Keyboard 3-45 Removing the IO Board 3-46 Removing the Motherboard 3-48 Removing the Thermal Module 3-52 Removing the CPU 3-54 Removing the - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 91
Replacing the Thermal Module 3-92 Replacing the Motherboard 3-95 Replacing the IO Board 3-98 Replacing the Keyboard 3-100 Replacing the Power Switch Board 3-103 Replacing the Speaker Module 3-105 Replacing the Top Case 3- - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 92
3-4 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 93
Machine Disassembly and Replacement 0 This chapter contains step-by-step procedures on how to disassemble the notebook computer for maintenance and troubleshooting. Cable paths and positioning may not represent the actual model. During the removal and installation of the components, ensure all - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 94
Pre-disassembly Instructions 0 Before proceeding with the disassembly procedure, make sure to do the following: 1. Turn off the power to the system and all peripherals. 2. Unplug the AC - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 95
the mainboard, remove first the keyboard, and LCD module then disassemble the inside assembly frame in that order. Table 3-1. Main Screw List M3*3 Screw Quantity 4 Acer Part Number M2.5*5 18 M2.5*7 19 M2*2.2+5.7 4 M1.6*2.5 9 M2*3 37 3-7 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 96
External Module Disassembly Process 0 Table 3-2. Screw List Step HDD Module Disassembly HDD Bracket Disassembly WLAN Module Disassembly ODD Module Disassembly ODD Bracket Disassembly Screw M2*3 M3*3 M2*3 M2*3 M2*3 Quantity 2 4 1 1 2 External Modules Disassembly Flowchart Part No. 0 Figure 3-2. - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 97
Removing the Memory Card 0 1. Press the memory card in to allow it to spring out. Figure 3-3. Memory Card 2. Pull the memory card out. Figure 3-4. Memory Card 3-9 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 98
Removing the Battery 0 1. Shut down the operating system, close the LCD panel, then turn over the notebook and place it on a level platform. Figure 3-5. Bottom side 2. Use a phillips screwdriver to insert the pit of battery latch, release the latch to spring the - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 99
Figure 3-7. Battery Figure 3-8. Battery 3-11 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 100
Removing the Main Door 0 1. Loose 9 captive screws on the main door.. Figure 3-9. Screws on Main Door 2. Dig out the top edge of main door with a finger, lift the top edge first. Figure 3-10. Main Door 3-12 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 101
3. Lift to remove the main door. Figure 3-11. Main Door Figure 3-12. Main Door 3-13 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 102
Removing the Memory Module 0 1. Use two fingers, push the memory module clips outwards to spring the memory. Figure 3-13. Memory Module 2. Pull out the memory from its slot. 3-14 Figure 3-14. Memory Module - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 103
3. Use two fingers, push the memory module clips outwards to spring another memory bar. Figure 3-15. Memory Module 4. Pull out the memory from its slot. Figure 3-16. Memory Module 3-15 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 104
Figure 3-17. Memory Module 3-16 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 105
Removing the HDD Module 0 1. Remove 2 screws on HDD bracket. Figure 3-18. Screws on HDD Bracket Table 3-3. Screws Step HDD Module Disassembly M2*3 Screw Quantity 2 Screw Type 2. Pull the handling mylar to disconnect the HDD from motherboard. 3-17 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 106
Figure 3-19. HDD Module 3. Use two fingers to hold the notches of HDD bracket, lift to remove HDD module. Figure 3-20. HDD Module 4. Remove 4 screws on HDD bracket to separate the HDD from the bracket. Figure 3-21. HDD Module 3-18 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 107
Figure 3-22. HDD Module Table 3-4. Screws Step HDD Disassembly M3*3 Screw . Quantity 4 Screw Type Figure 3-23. HDD Bracket 3-19 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 108
. Figure 3-24. HDD 5. Repeat the procedures above to remove the second HDD module. Figure 3-25. Second HDD Module 3-20 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 109
Removing the WLAN Card 0 1. Use a pair of plastic tweezers to clamp the antenna cable connectors, disconnect 2 cables from the WLAN module. + IMPORTANT: Note the connector positions of the Main (black) and Auxiliary (white) cables. Figure 3-26. WLAN Card 2. Remove 1 screw and ensure the cables are - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 110
Table 3-5. Screws Step WLAN Module Disassembly Screw M2*3 Quantity 1 3. Pull the WLAN module out from its slot. Screw Type Figure 3-28. WLAN Card 3-22 Figure 3-29. WLAN Card - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 111
Removing the ODD Module 0 1. Remove 1 screw from the bottom case. Figure 3-30. ODD Module Table 3-6. Screws Step ODD Module Disassembly Screw M2*3 Quantity 1 2. Pull the ODD module completely out of the housing. Screw Type 3-23 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 112
Figure 3-31. ODD Module 3. Pull the ODD bezel to separate it from the ODD. Figure 3-32. ODD Module Figure 3-33. ODD Bezel 4. Remove 2 screws to remove ODD bracket. 3-24 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 113
Figure 3-34. ODD Bracket Table 3-7. Screws Step ODD Bracket Disassembly Screw M2*3 Quantity 2 Screw Type Figure 3-35. ODD Bracket 3-25 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 114
Board Disassembly Top Case Module Disassembly Speaker Module Disassembly Power Switch Board Disassembly Keyboard Bracket Disassembly IO Board Disassembly Motherboard Disassembly Thermal Module Disassembly M2.5*7 M2*3 M2*2 M2*3 Screw M2.5*5 M2*2.2+5.7 M2*3 M2*3 M1.6*2.5 M2.5*5 M2.5*5 M2*3 3-26 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 115
Table 3-9. Screws Step Bottom Case Disassembly Screw M2.5*7 (red cycled) M2*3 (blue cycled) M2*2 (yellow cycled) Quantity 19 Screw Type 5 2 2. Turn over the notebook, open the LCD panel. Use a plastic pry slice to insert to the gap between top case palmrest and bottom case.pry to release all - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 116
Figure 3-38. Top Case Palmrest 3. Pry to release all latches, then lift the bottom edge of top case palmrest to reveal the touchpad switch board cable connector. Figure 3-39. Top Case Palmrest 4. Disconnect the cable from the motherboard. 3-28 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 117
Figure 3-40. Touchpad Switch Board FFC 5. Romove the top case palmrest Figure 3-41. Top Case Palmrest 3-29 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 118
Removing the Touchpad Switch Board 0 1. Turn over the top case palmrest. Tear off the touchpad switch board cable from the touchpad. Figure 3-42. Touchpad Switch Board FFC 2. Disconnect the touchpad FFC from touchpad. Figure 3-43. Touchpad FFC 3-30 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 119
3. Tear off the touchpad FFC from touchpad. Figure 3-44. Touchpad FFC 4. Remove 2 screws from touchpad switch board. Figure 3-45. Touchpad Switch Board Table 3-10. Screws Step Touchpad Switch Board Disassembly Screw M2*3 Quantity 2 Screw Type 3-31 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 120
5. Lift to remove touchpad switch board. Figure 3-46. Touchpad Switch Board 3-32 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 121
Removing the Top Case 0 1. Disconnect the power switch board cable from motherboard. Figure 3-47. Power Switch Board FFC 2. Disconnect the speaker cable from motherboard. Figure 3-48. Speaker Cable 3. Remove 1 screw from the keyboard bracket. 3-33 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 122
Figure 3-49. Keyboard Bracket Screw Table 3-11. Screws Step Top Case Disassembly M2.5*5 Screw Quantity 1 Screw Type + IMPORTANT: Do not forget to remove this screw. 4. Use a plastic pry slice to insert to the gap between top case and bottom case, pry to release all latches. 3-34 Figure 3-50 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 123
5. Lift the upper edge of top case to an about 60-degree angle to reveal the keyboard connector. Figure 3-51. Top Case 6. Disconnect the keyboard cable from motherboard. Figure 3-52. Keyboard cable 7. Lift to remove the top case. 3-35 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 124
Figure 3-53. Top Case Module 3-36 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 125
Removing the Speaker Module 0 1. Turn over the top case module. Tear off the adhesive paper from speaker cable. Figure 3-54. Adhesive Paper 2. Tear off the keyboard bracket mylar, pull out speaker cable from its position groove. Figure 3-55. Speaker Cable 3-37 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 126
3. Remove 4 screws from the speakers. Figure 3-56. Screws on Speakers Figure 3-57. Screws on Speakers Table 3-12. Screws Step Speaker Module Disassembly Screw M2*2.2+5.7 Quantity 4 Screw Type 3-38 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 127
4. Lift to remove the speaker module. Figure 3-58. Speaker Module 3-39 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 128
Remove the Power Switch Board 0 1. Tear off the keyboard bracket mylar, tear off the power switch board cable from the keyboard bracket. Figure 3-59. Power Switch Board Cable 2. Remove 2 screws from power switch board. 3-40 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 129
Figure 3-60. Power Switch Board Table 3-13. Screws Step Power Switch Board Disassembly Screw M2*3 Quantity 2 3. Lift to remove the power switch board from top case. Screw Type Figure 3-61. Power Switch Board 3-41 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 130
Removing the Keyboard Bracket 0 1. Remove 6 screws(M2*3) and 9 screws(M1.6*2.5) from the keyboard bracket. Figure 3-62. Screws on Keyboard Bracket Table 3-14. Screws Step Keyboard Bracket Disassembly Screw M2*3 Quantity 6 M1.6*2.5 9 Screw Type 3-42 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 131
2. Push the keyboard bracket forward to release all latches. Figure 3-63. Keyboard Bracket 3. Lift the top edge of keyboard bracket first. Figure 3-64. Keyboard Bracket 3-43 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 132
4. Lift the keyboard bracket by passing keyboard cable through the cable slot. Figure 3-65. Keyboard Cable + IMPORTANT: Take care not to damage the cable during removal. 5. Remove the keyboard bracket. Figure 3-66. Keyboard Bracket 3-44 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 133
Removing the Keyboard 0 1. Lift to separate the keyboard from the top case. Figure 3-67. Keyboard on Top Case Figure 3-68. Keyboard 3-45 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 134
Removing the IO Board 0 1. Disconnect the IO board cable from motherboard. Figure 3-69. IO Board cable connector 2. Tear off the IO board cable from bottom case. Figure 3-70. IO Board Cable 3-46 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 135
3. Remove 1 screw from IO board. Figure 3-71. IO Board Table 3-15. Screws Step IO Board Disassembly Screw M2.5*5 Quantity 1 Screw Type 4. Lift the left edge of IO board first, and pull out the board from connector holes of bottom case. Figure 3-72. IO Board 3-47 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 136
machine. Lift the DC-in cable connector perpendicularly to disconnect them from motherboard. Figure 3-73. DC-in cable connector 2. Turn over the machine and open the LCD panel. Lift the LVDS cable connector perpendicularly to disconnect it from motherboard. 3-48 Figure 3-74. LVDS Cable Connector - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 137
3. Tear off the LVDS cable from motherboard. Figure 3-75. LVDS Cable 4. Tear off the LED acetate fabric from the LED pipe. Figure 3-76. LED Acetate Fabric 3-49 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 138
5. Remove 4 screws from motherboard and thermal fan. Figure 3-77. Motherboard Table 3-16. Screws Step Motherboard Disassembly M2.5*5 Screw Quantity 4 Screw Type 6. Lift the right edge of motherboard first to pull out the motherboard from the connector holes of bottom case. 3-50 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 139
Figure 3-78. Motherboard Figure 3-79. Motherboard 3-51 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 140
Removing the Thermal Module 0 1. Disconnect the fan cable from motherboard. Figure 3-80. Thermal module 2. Remove 6 screws from the thermal moudle. Figure 3-81. Thermal module Table 3-17. Screws Step Thermal module Disassembly Screw M2*3 3-52 Quantity 6 Screw Type - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 141
3. Lift to remove the thermal module. Figure 3-82. Thermal Module 3-53 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 142
Removing the CPU 0 1. Use a flat-head screwdriver to insert to the CPU socket lock slot, rotate the slot along anticlock direction to 180 degrees. Figure 3-83. CPU Socket 2. Eject the air in the rubber handle of vacuum pump. Figure 3-84. Vacuum Pump 3-54 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 143
3. Press the vacuum pump on CPU die, release the rubber handle and lift to remove CPU. Figure 3-85. Vacuum Pump 3-55 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 144
Removing the Bottom Case 0 1. Tear off the conductive fabric of LVDS cable, pull out LVDS cable and antenna cables from position groove of bottom case. Figure 3-86. Cables on Bottom Case 3-56 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 145
Figure 3-87. Cables on Bottom Case 2. Pull out DC-in cable from position groove and lift the connector to remove DC-in cable. 3-57 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 146
Figure 3-88. DC-in Cable 3. Remove 4 screws from the hinges. Figure 3-89. Screws on Hinges 3-58 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 147
Figure 3-90. Screws on Hinges Table 3-18. Screws Step Bottom Case Disassembly Screw M2.5*5 Quantity 4 Screw Type 3-59 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 148
4. Lift LCD module to separate it from bottom case. Figure 3-91. Bottom Case Figure 3-92. Bottom Case 3-60 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 149
LCD Module Disassembly Process 0 LCD Module Disassembly Flowchart 0 Figure 3-93. LCD Module Disassembly Flowchart Table 3-19. Screws Step LCD Bezel Disassembly LCD Panel Disassembly LCD Hinges Disassembly Screw M2.5*5 M2.5*5 M2*3 Quantity 2 6 8 Part No. 3-61 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 150
Removing the LCD Bezel 0 1. Use a pair of tweezers to remove 2 screw mylar on LCD bezel. Figure 3-94. Screw Mylar on LCD Bezel Figure 3-95. Screw Mylar on LCD Bezel 2. Remove 2 screws on LCD bezel. 3-62 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 151
Figure 3-96. Screws on LCD Bezel Figure 3-97. Screws on LCD Bezel Table 3-20. Screws Step LCD Bezel Disassembly Screw M2.5*5 Quantity 2 Screw Type 3-63 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 152
3. Use a plastic pry slice to insert to the crevice between LCD bezel and LCD cover, pry to release all latches. Figure 3-98. LCD Bezel 4. Lift to remove the LCD bezel. Figure 3-99. LCD Bezel 3-64 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 153
Figure 3-100. LCD Bezel 3-65 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 154
Removing the LCD Panel 0 1. Disconnect the cable from the camera. Figure 3-101. Camera Connector 2. Use a pair of tweezers to pry up the microphone from LCD cover. Figure 3-102. Microphone 3. Pull out the LVDS cable from position groove. 3-66 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 155
Figure 3-103. LVDS Cable 4. Remove 6 screws on LCD hinges. Figure 3-104. LCD Panel Table 3-21. Screws Step LCD Panel Disassembly Screw M2.5*5 Quantity 6 Screw Type 3-67 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 156
5. Lift to separate LCD panel from LCD cover. Figure 3-105. LCD Module 3-68 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 157
Removing the Hinges 0 1. Remove 8 screws to separate the hinges from LCD panel. Figure 3-106. LCD Hinge 3-69 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 158
Figure 3-107. LCD Hinge Table 3-22. Screws Step LCD Hinge Disassembly Screw M2*3 Quantity 8 Screw Type 3-70 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 159
Removing the Camera 0 1. Lift to remove the camera from LCD cover carefully. Figure 3-108. Camera Figure 3-109. Camera 3-71 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 160
Removing the LVDS Combo Cable 0 1. Turn over the LCD panel to reveal LVDS Combo cable. Figure 3-110. LVDS Combo Cable on LCD Panel 2. Tear off the adhesive paper from LVDS Combo cable and LCD panel. Figure 3-111. LVDS Combo Cable on LCD Panel 3. Tear off the LVDS Combo cable from the top of LCD - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 161
Figure 3-112. LVDS Combo Cable on LCD Panel 4. Tear off the LVDS Combo cable from the bottom of LCD panel. Figure 3-113. LVDS Combo Cable on LCD Panel 5. Tear off the transparent handle tape of LVDS connector from LCD panel. 3-73 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 162
Figure 3-114. LVDS Combo Cable on LCD Panel 6. Tear off the conductive fabric of LVDS connector from LCD panel. Figure 3-115. LVDS Combo Cable on LCD Panel 7. Disconnect the LVDS cable from LCD panel to remove it. 3-74 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 163
Figure 3-116. LVDS Combo Cable on LCD Panel Figure 3-117. LVDS Combo Cable 3-75 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 164
LCD Reassembly Procedure 0 Replacing the Camera 0 1. Position the camera on the LCD cover. Figure 3-118. Camera 3-76 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 165
Replacing the LCD Panel 0 1. Connect the LVDS cable to LVDS connector of LCD panel. Figure 3-119. LVDS Connector 2. Adhere the transparent handle tape on LCD panel. Figure 3-120. LVDS Connector 3-77 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 166
3. Pull the LVDS cable right and adhere it on the bottom of LCD panel. Figure 3-121. LCD Panel 4. Pull the camera cable up and adhere it on the top of LCD panel. Figure 3-122. LCD Panel 5. Adhere the waterproof tape to fix the camera cable on LCD panel. 3-78 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 167
Figure 3-123. LCD Panel 6. Turn over the LCD panel. Consolidate the hinges and the LCD panel with 8 screws. Figure 3-124. LCD Panel 3-79 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 168
Figure 3-125. LCD Panel Table 3-23. Screws Step LCD Hinge Assembly Screw M2*3 Quantity 8 Screw Type ! CAUTION: Distinguish the left and right hinge before assembling. 7. Replace the top edge of LCD panel on LCD cover, then lay the bottom edge down to position LCD hinges. 3-80 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 169
Figure 3-126. LCD Panel 8. Consolidate the LCD panel and LCD cover with 6 screws. 3-81 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 170
Figure 3-127. LCD Panel Table 3-24. Screws Step LCD Panel Assembly Screw M2.5*5 Quantity 6 9. Route LVDS cable in the position groove of LCD cover. Screw Type Figure 3-128. LVDS Cable 10. Connect CMOS cable to the camera, press the microphone on the top edge of LCD cover. 3-82 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 171
Figure 3-129. Camera Connector and Microphone 3-83 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 172
Replacing the LCD Bezel 0 1. Position LCD bezel on LCD cover, press the edges of LCD bezel to lock all latches. Figure 3-130. LCD Bezel 2. Consolidate LCD bezel and LCD cover with 2 screws. Figure 3-131. Screws on LCD Bezel 3-84 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 173
Figure 3-132. Screws on LCD Bezel Table 3-25. Screws Step LCD Bezel Assembly Screw M2.5*5 Quantity 2 3. Cover 2 screw mylar on bezel screws. Screw Type Figure 3-133. Screw Mylar on LCD Bezel 3-85 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 174
Figure 3-134. Screw Mylar on LCD Bezel 3-86 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 175
Replacing the Bottom Case 0 1. Open the hinges to an about 75-degree angle to the LCD panel, replace LCD module on the bottom case by aiming the position pillars of bottom case at the position holes of hinges. Figure 3-135. Bottom Case 2. Consolidate the hinges and bottom case with 4 screws. - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 176
Figure 3-137. Screws on Hinges Table 3-26. Screws Step Bottom Case Assembly Screw M2.5*5 Quantity 4 Screw Type 3. Route antenna cables and LVDS cable in position groove of bottom case, adhere the conductive fabric to fix LVDS cable. Replace DC-in cable in the position groove of bottom case. - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 177
Figure 3-138. Cables on Bottom Case Figure 3-139. Cables on Bottom Case 3-89 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 178
Replacing the CPU 0 1. Use a vacuum pump to suck up CPU and position it on CPU socket by aiming the golden triangle on CPU at the triangle mark on CPU socket. Figure 3-140. CPU 2. Use a flat-head screwdriver to insert to the slot of CPU socket lock, rotate the slot clockwise to 180 degrees. 3-90 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 179
Figure 3-142. CPU Socket Locked Position 3-91 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 180
Replacing the Thermal Module 0 + IMPORTANT: Apply an appropriate thermal grease and ensure all heat pads are in place before replacing the thermal module. 1. Align the screw holes on the thermal module and mainboard then replace the module. Keep the module as level as possible to spread the thermal - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 181
Figure 3-144. Thermal Module Table 3-27. Screws Step Thermal module Assembly M2*3 Screw Quantity 4 Screw Type. 3. Replace the other 2 diagonal screws on the thermal block spring, tighten all screws slowly and alternately to fix thermal module. Figure 3-145. Thermal Module Table 3-28. Screws - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 182
Figure 3-146. Thermal Fan Cable 3-94 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 183
Replacing the Motherboard 0 1. Turn over the motherboard. Replace the motherboard by inserting the IO conncetors to corresponding holes on bottom case, then lay the motherboard down to position it. Figure 3-147. Motherboard 2. Consolidate the motherboard and bottom case with 4 screws. 3-95 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 184
Figure 3-148. Motherboard Table 3-29. Screws Step Motherboard Assembly M2.5*5 Screw Quantity 4 Screw Type 3. Connect the LVDS cable to motherboard and paste the cable fabric. Figure 3-149. Motherboard 3-96 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 185
4. Paste the LED acetate fabric on the LED pipe. Figure 3-150. LED Acetate Fabric 5. Close the LCD panel and turn over the machine. Press the DC-in connector perpendicularly to connect the cable to motherboard. Figure 3-151. DC-in Cable Connector 3-97 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 186
Replacing the IO Board 0 1. Turn over the machine and open the LCD panel. Position the IO board on bottom case by aiming the IO connectors at corresponding holes of bottom case first. Figure 3-152. IO Board 2. Lay the IO board down to position it on bottom case. 3-98 Figure 3-153. IO Board - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 187
3. Consolidate the IO board with 1 screw. Figure 3-154. IO Board Table 3-30. Screws Step IO Board Assembly Size M2.5*5 Quantity 1 4. Connect the IO board cable to motherboard. Screw Type Figure 3-155. IO Board Cable 3-99 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 188
Replacing the Keyboard 0 1. Turn over the keyboard and positon it on the back side of top case. Figure 3-156. Keyboard 2. Cover the keyboard bracket on the keyboard by passing keyboard cable through the cable slot of bracket first. Figure 3-157. Keyboard Bracket 3. Lay the bracket down and shift it - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 189
and top case. Figure 3-158. Keyboard Bracket 4. Consolidate the keyboard bracket and the top case with 6 screws(M2*3) and 9 screws(M1.6*2.5). 3-101 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 190
Figure 3-159. Keyboard Bracket Table 3-31. Screws Step Keyboard Bracket Assembly Screw M2*3(red cycled) Quantity 6 M1.6*2.5(blue cycled) 9 Screw Type 3-102 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 191
Replacing the Power Switch Board 0 1. Replace the power switch board on the top case by aiming the position pillars of top case at the position holes of the board. Figure 3-160. Power Switch Board 2. Consolidate the power switch board with 2 screws. 3-103 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 192
Figure 3-161. Power Switch Board Table 3-32. Screws Step Power Switch Board Assembly M2*3 Screw Quantity 2 Screw Type 3. Cover the keyboard bracket mylar to fix the power switch board cable. Figure 3-162. Power Switch Board Cable 3-104 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 193
Replacing the Speaker Module 0 1. Position the speakers on the top case. Figure 3-163. Speaker Figure 3-164. Speaker 3-105 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 194
2. Consolidate the speakers with 4 screws. Figure 3-165. Speaker Figure 3-166. Speaker Table 3-33. Screws Step Speaker Module Assembly Screw M2*2.2+5.7 Quantity 4 Screw Type 3-106 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 195
3. Route speaker cable in position groove of top case, cover the keyboard bracket mylar to fix the cable. Figure 3-167. Speaker Cable 4. Adhere the mylar on top case to fix speaker cable. Figure 3-168. Speaker Cable 3-107 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 196
the top case module. Place the top case module on the bottom case with an about 45-degree angle. Connect the keyboard cable to the motherboard. Figure 3-169. Keyboard Cable 2. Lay the top case module down to position it on the bottom case. Figure 3-170. Top Case Module 3-108 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 197
Module Table 3-34. Screws Step Top Case Module Assembly Screw M2.5*5 Quantity 1 Screw Type 4. Connect the power switch board cable and speaker cable to the motherboard. 3-109 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 198
Figure 3-172. Power Switch Board Cable and Speaker Cable 3-110 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 199
Replacing the Top Case Palmrest 0 1. Position the touchpad switch board on the back side of top case palmrest. Figure 3-173. Touchpad Switch Board 2. Consolidate the touchpad switch board with 2 screws. 3-111 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 200
top case palmrest. Place the top case palmrest on the bottom case with an about 45-degree angle. Connect the touchpad switch board cable to motherboard. 3-112 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 201
Figure 3-176. Touchpad Switch Board Cable 5. Lay down the top case palmrest to position it on the bottom case. Figure 3-177. Top Case Palmrest 6. Press the edges of top case palmrest to lock all latches. 3-113 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 202
Figure 3-178. Top Case Palmrest 7. Close the LCD panel and turn over the machine. Tighten 19 screws(M2.5*7) , 5 screws(M2*3) and 2 screws(M2*2)on the bottom case. 3-114 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 203
Figure 3-179. Screws on Bottom Case Table 3-36. Screws Step Top Case and Top Case Palmrest Assembly Screw M2.5*7 (red cycled) M2*3 (blue cycled) M2*2(yellow cycled) Quantity 19 Screw Type 5 2 3-115 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 204
Replacing the ODD Module 0 1. Consolidate the ODD bracket and ODD with 2 screws. Figure 3-180. ODD Bracket Table 3-37. Screws Step ODD Bracket Assembly Screw M2*3 Quantity 2 Screw Type 2. Combine the ODD bezel with ODD by inserting the bezel to the drive's front panel. 3-116 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 205
Figure 3-181. ODD Bezel 3. Turn over the ODD module. Figure 3-182. ODD Module 3-117 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 206
4. Insert the ODD module to the housing of bottom case. Consolidate the ODD bracket with 1 screw. Figure 3-183. ODD Module Table 3-38. Screws Step ODD Module Assembly Screw M2*3 Quantity 1 Screw Type 3-118 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 207
Replacing the WLAN Card 0 1. Insert the WLAN card to its slot on motherboard with a 30-degree angle, press down the card and release it three times for perfect contact of golden fingers. Figure 3-184. WLAN Card 2. Press down - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 208
Table 3-39. Screws Step WLAN Card Assembly Screw M2*3 Quantity 1 3. Connect the antenna cables to the WLAN card. Screw Type Figure 3-186. WLAN Card + IMPORTANT: The black cable connector is on the left and the white cable connector is on the right. 3-120 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 209
Replacing the HDD Module 0 1. Consolidate the HDD and HDD bracket with 4 screws. Figure 3-187. HDD Bracket Figure 3-188. HDD Bracket 3-121 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 210
left housing enables HDD with the height of 12.5 mm. 3. Pull the handling mylar right to connect the SATA power and data interface to the motherboard. 3-122 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 211
Figure 3-190. HDD Module 4. Consolidate the HDD module with 2 screws. Figure 3-191. HDD Module Table 3-41. Screws Step HDD Module Assembly Screw M2*3 Quantity 2 Screw Type 3-123 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 212
5. Repeat the procedures above to assemble the second HDD module in the right housing of bottom case. NOTE: NOTE: The right housing enables HDD with the height of 9.5 mm. 3-124 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 213
DIMM Module 0 1. Insert one memory bar to the socket on motherboard with a 45-degree angle, press down the DIMM and release DIMM Module 3. Insert the other memory bar to the other socket on motherboard with a 45-degree angle, press down the DIMM and release it three times for perfect contact of - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 214
Figure 3-194. DIMM Module 4. Press down the DIMM until it clicks into the spring latches. Figure 3-195. DIMM Module 3-126 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 215
Replacing the Main Door 0 1. Replace the bottom edge of main door first and press down the top edge. Figure 3-196. Main Door 2. Tighten 9 captive screws to consolidate the main door and the bottom case. Figure 3-197. Screws on Main Door 3-127 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 216
Replacing the Battery 0 1. Place the top edge of the battery to its housing, press down the bottom edge to lock the spring latch. Figure 3-198. Battery Figure 3-199. Battery 3-128 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 217
CHAPTER 4 Troubleshooting - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 218
4-10 Microphone Failure 4-12 USB Failure 4-13 WLAN Failure 4-14 Card Reader Failure 4-15 Thermal Unit Failure 4-16 HDMI and CRT Failure 4-17 CD-ROM/DVD Failure 4-18 Other Functions Failure 4-19 Intermittent Problems 4-19 Undetermined Problems 4-19 Post Codes 4-20 POST Code Range 4-20 4-2 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 219
about troubleshooting common problems associated with the notebook. General Information 0 The following procedures are a guide for troubleshooting computer problems. The step by step procedures are designed to be performed as described. NOTE: NOTE: The diagnostic tests are intended for Acer products - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 220
perform the following, one at a time, to correct the problem. Do not replace a non-defective FRU: Start Check AC/ boot the computer to the failure point. 6. Remove any recently installed software. 7. If the Issue is still not resolved, refer to Online Support Information. 4-4 Troubleshooting - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 221
Issues. 3. Drain stored power by removing the power cable and battery. Hold the power button for 10 seconds. 4. Connect the power and reboot the computer. Troubleshooting 4-5 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 222
CD/DVD discs. 8. Start the computer. If the computer boots . Refer to the User Manual for instructions on adjusting the settings. If driver to the previous version if updated. 5. Remove and reinstall the video driver , refer to Online Support Information. 8. Run the Windows Memory Diagnostic from the - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 223
LCD Failure 0 If the LCD fails, perform the following, one at a time. Do not replace a non-defective FRU: START Check LCD Module Check LCD Connector/ Cable Swap LCD NG Module/LCD Panel NG Reassemble/Replug LCD Cable Swap MB Figure 4-3. LCD Failure Troubleshooting 4-7 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 224
Keyboard Failure 0 If the Keyboard fails, perform the following, one at a time. Do not replace a non-defective FRU: START Keyboard FFC Well Connected? NG Connect it Well Keyboard Ok? NG Replace Keyboard Replace M/B Figure 4-4. Keyboard Failure 4-8 Troubleshooting - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 225
Touchpad Failure 0 If the Touchpad fails, perform the following, one at a time. Do not replace a non-defective FRU: START Check MB T/P FFC NG Reassemble the T/P FFC to MB Check Touchpad Swap/Reassemble NG the T/P Pad or T/P FFC Swap MB Figure 4-5. Touchpad Failure Troubleshooting 4-9 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 226
MB Figure 4-6. Internal Speaker Failure Sound Problems 0 Perform the following, one at a time. 1. Boot the computer. 2. Navigate to Start If updated recently, roll back the audio driver to the previous version. 4. Remove and reinstall the audio driver. 5. Make sure that all volume controls - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 227
the speakers. 8. Remove any recently installed hardware or software. 9. Restore system and file settings from a known good date using System Restore. 10. If the issue is remains, repeat step 9, selecting If the Issue is still not resolved, refer to Online Support Information. Troubleshooting 4-11 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 228
tab. 5. Increase the volume to the maximum setting and click OK. 6. Test the microphone hardware: Select the microphone and click Configure. Select Set up on-screen prompts to complete the test. 7. If the Issue is still not resolved, refer to Online Support Information. 4-12 Troubleshooting - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 229
replace a non-defective FRU: S ta rt C h e ck U S B b o a rd to M B c a b le No R e -a s s e m b le U S B b o a rd c a b le to M B C heck U S B board? No S w ap U S B board a n d U S B c a b le R e p la c e M /B Figure 4-8. USB Failure. Troubleshooting 4-13 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 230
N antenna C h e ck W /L d e vice in se rt w e ll? No R e a sse m b le W /L d e vice C h e ck W L A N d e vice O K ? No R e -in sta ll W L A N d rive r o r S w a p W L A N m o d u le R e p la ce M /B 4-14 Figure 4-9. WLAN Failure Troubleshooting - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 231
disappear in device manager for power saving if there is no card inserted. Try to insert card, then the Card Reader appear in device manager. Troubleshooting 4-15 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 232
Fan OK? No Replace thermal module Heatsink well seated? No Seat it well CPU OK? No Replace CPU Replace M/B Figure 4-11. Thermal Unit Failure 4-16 Troubleshooting - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 233
fails, perform the following, one at a time. Do not replace a non-defective FRU: START CRT/HDMI connection check NG Check Drivers install OK or not in Device NG manager Swap MB Reinsert CRT/HDMI Connector Reinstall corrcet driver Figure 4-12. HDMI and CRT Failure Troubleshooting 4-17 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 234
FRU: START ODD Device with ODD/B connection check NG Reassemble ODD Device ODD/B with M/B connection check NG ODD/B function check NG Swap MB Figure 4-13. CD-ROM/DVD Failure Reassemble ODD/B to M/B Swap ODD/B 4-18 Troubleshooting - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 235
the test to verify that there are no more errors. Undetermined Problems 0 The diagnostic problems 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 V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 236
and switch to Protected mode Patching CPU microcode Setup Cache as RAM PCIE MMIO Base Address initial CPU Generic MSR initialization Setup CPU speed 4-20 Troubleshooting - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 237
Platform dependence. Description Cache as RAM test Tune CPU frequency ratio to maximum level Setup BIOS ROM cache Enter Boot Firmware Volume Table 4-4. PEI Phase POST boot. PEI_MEMORY_INIT_FOR_CRISIS PEI 7F Memory Initial for Crisis Recovery PEI_MEMORY_INSTALL PEI 80 Simple Memory test - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 238
BIOS with Recovery image PEI_ENTER_DXEIPL PEI 89 Loading BIOS image to RAM PEI_FINDING_DXE_CORE PEI 8A Loading DXE core PEI_GO_TO_DXE_CORE PEI 8B Enter bridge SPI initialization DXE_CF9_RESET* DXE 42 Setup Reset service DXE_SB_SERIAL_GPIO_INIT* DXE 43 South bridge Serial GPIO - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 239
service DXE_LEGACY_INTERRUPT* DXE 55 Setup Legacy Interrupt service DXE_RELOCATE_SMBASE DXE 56 Relocate SMM BASE DXE_FIRST_SMI DXE 57 SMI test DXE_VTD_INIT* DXE 58 VTD Initial DXE_BEFORE_CSM16_INIT DXE 59 Legacy BIOS Enter BDS entry BDS_INSTALL_HOTKEY BDS 11 Install Hotkey service - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 240
BDS 1A USB BUS driver initialization BDS_CONNECT_USB_DEVICE BDS 1B USB device driver initialization BDS_NO_CONSOLE_ACTION BDS 1C of boot selection BDS_ENTER_SETUP BDS 29 Enter Setup Menu BDS_ENTER_BOOT_MANAGER BDS 2A Enter Boot manager BDS_BOOT_DEVICE_SELECT BDS 2B Try to boot system - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 241
Phase Post Code Description BDS_LEGACY_BOOT_EVENT BDS 33 Last Chipset initial before boot to Legacy OS. BDS_ENTER_LEGACY_16_BOOT BDS 34 Ready to Boot Legacy OS. BDS_RECOVERY_START_FLASH BDS 35 Fast Recovery Start Flash. * 3rd party relate functions - Platform dependence. Table 4-7. S3 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 242
SMM 0xA2 SMM service initial SMM_ACPI_ENABLE_START SMM 0xA6 OS call ACPI enable function SMM_ACPI_ENABLE_END SMM 0xA7 ACPI enable function complete SMM_S1_SLEEP_CALLBACK SMM 0xA1 Enter S1 SMM_S3_SLEEP_CALLBACK SMM 0xA3 Enter S3 SMM_S4_SLEEP_CALLBACK SMM 0xA4 Enter S4 SMM_S5_SLEEP_CALLBACK - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 243
) Used by Insyde debugger 0xD6 DDT Cable Transmission Error (Set Debug mode fail) Used by Insyde debugger 0xD7 DDT Cable Transmission Error (Set address fail) Troubleshooting 4-27 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 244
4-28 Troubleshooting - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 245
CHAPTER 5 Jumper and Connector Locations - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 246
Clearing Password Check and BIOS Recovery 5-6 Clearing Password Check 5-6 Clear CMOS Jumper 5-7 BIOS Recovery by Crisis Disk 5-7 5-2 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 247
Jumper and Connector Locations 1 2 3 4 5 6 7 16 8 9 15 10 14 13 12 11 Figure 5-1. Mainboard Top Table 5-1. Mainboard Top Item Connector 1 TPCON1 2 TPCON3 3 TPCON2 4 CON6503 5 CON3703 6 CON4801 7 CON4101 8 CON4802 Description TP BTN Board connector TP BTN Board - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 248
Table 5-1. Mainboard Top Item 9 Connector CON4102 10 CON6104 11 CON6502 12 CON4803 13 PWR_CON01 14 CON4001 15 CON6504 16 IOCON5 1 2 Description AUDIO connector IO Board connector DEBUG Card connector Touch Pad Button connector Power board IO connector Card Reader connector Power - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 249
IOCON6/IOCON2 IOCON3/IOCON4 U0301 Description TP BTN board switch TP BTN board switch DC-IN connector LVDS connector AC Power cable connector WiFi/WiMAX connector DDR3-SO-DIMMN Connector ODD Connector HDD Connector PCIE/mSATA Connector RTC Battery Connector HDD Connector WLAN Switch Connector/Power - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 250
for clearing BIOS Password (Supervisor Password and User Password). Steps for Clearing BIOS Password Check 0 If users set BIOS Passwords (Supervisor Password and/or User Password) for a security reason, BIOS will ask the password during systems POST or when system enters the BIOS Setup menu. If it - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 251
remove the conductivity tool from the RTCRST# jumper. 8. Restart the system. Press F2 to enter BIOS Setup menu. 9. If there is no Password request, BIOS Password is cleared. 10. If a password is requested, repeat Steps 1 through 9. Clear CMOS Jumper 0 Figure 5-4. CMOS Jumper Table 5-3. CMOS Jumper - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 252
adapter and Battery present. If this function is enabled, the system will force the BIOS to enter a special BIOS block, called Boot Block. Steps for BIOS Recovery from USB Storage 0 NOTE: NOTE: Prior to performing the recovery, prepare a Crisis USB key. The Crisis USB key is created by executing the - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 253
CHAPTER 6 FRU List - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 254
V3-771/V3-771G Exploded Diagrams 6-4 Main Assembly 6-4 FRU List 6-6 Screw List 6-13 6-2 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 255
/V3-771G. Refer to this chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization). NOTE: NOTE: WHEN ORDERING FRU PARTS, check the most up-to-date information available on the regional web or channel. Part number changes will not be noted on the printed Service Guide - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 256
V3-771/V3-771G Exploded Diagrams 0 Main Assembly 0 Figure 6-1. Main Assembly Exploded Diagram 6-4 FRU (Field Replaceable Unit) List - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 257
Table 6-1. Main Assembly Exploded Diagram Item Description Part Number Item Description 1 19 Touch pad board 2 3G card 20 LCD cover 3 CPU 21 SD dummy card 4 Memory card 22 Left Hinge 5 GPU 23 Right Hinge 6 WLAN Card 24 Screw 7 Microphone 25 LVDS cable 8 Fan & Heatsink module 26 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 258
List 0 Table 6-2. FRU List Category ADAPTER Acer Description Acer Part No Adapter DELTA 65W 19V 1.7x5. cell BT.00903.013 9000mAh Main COMMON ID:AS10G3E BOARD Liteon 3rd WiFi 2x2 AGN+ BT4.0 Atheros WB222 NI.23600.103 Foxconn 3rd WiFi 2x2 AGN+ BT4.0 Atheros WB222 NI.23600.102 USB BOARD 6-6 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 259
POWER BOARD W/CABLE Touch pad BOARD W/ CABLE Acer Part No CABLE AC POWER CORD MAXDATA/3C,L80cm AC POWER CORD MAXDATA/3C,L80cm POWER CORD 1.8M BLACK 3 PIN US POWER CODE EU 3P 0. - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 260
VA70C-1A HDD BRKT ASSY VA70C-1A KEYBOARD BRKT ASSY VA70C-1A SD DUMMY CARD Acer Part No CPU HDD CPU Intel Core i5 i5-3320M PGA 2.6G 1600 35W Ivy Bridge CPU Intel Core i3 i3-3110M PGA 2.3G 1600 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 261
Table 6-2. FRU List (Continued) Category KEYBOARD Acer Description KEYBOARD VA70C (UI) BLACK KEYBOARD VA70C (AR) BLACK ) BLACK KEYBOARD VA70C (HE) BLACK KEYBOARD VA70C (CB) BLACK FRU (Field Replaceable Unit) List Acer Part No KB.I170A.410 KB.I170A.384 KB.I170A.385 KB.I170A.386 KB.I170A.387 KB - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 262
) Category DVD RW DRIVE Acer Description ODD HLDS Super-Multi DRIVE 12.7mm Tray DL 8X GT51N LF W/O bezel SATA Zero Power Supported (HF + Windows 7) ODD PLDS Super-Multi BACK Acer Part No KU.0080D.059 KU.0080F.021 KO.0060D.008 KU.00607.001 LCD LED LCD AUO 17.3'' WXGA+ Glare B173RW01-V3 LF - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 263
LVDS COMBO CABLE VA70C-1A LVDS COMBO CABLE VA70C-1A LCD EDP CABLE VA70C-1A LCD EDP CABLE VA70C-1A LCD EDP CABLE VA70C-1A VA70 MB Acer Part No 13N0-7NM0201 AM.21400.095 AM.21400.097 AM.21400.116 AM.21400.117 AM.21400.122 1422-0166000 1422-0165000 1422 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 264
Table 6-2. FRU List (Continued) Category SPEAKER Acer Description SPEAKER VA70C-1A Others VA70C-1A LCD BEZEL SCREW MYLAR VA70C-1A LCD BEZEL SCREW MYLAR VA70C-1A LCD BEZEL SCREW MYLAR Acer Part No 13N0-7NL0A01 13N0-7NL0A02 13N0-7NL0A03 6-12 FRU (Field Replaceable Unit) List - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 265
SCREW M2.5*15L K B-ZN #1 NY SCREW M2*2.2L+5.7 K B-ZN #1 SCREW M1.6*2.5L K W-NI #0 M51TA SB HEAT SINK ASSY RKY50-1A SCR M2x0.4x3 D4 H0.6 0 Acer Part No. 86.RGV0U.006 FRU (Field Replaceable Unit) List 6-13 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 266
6-14 FRU (Field Replaceable Unit) List - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 267
CHAPTER 7 Test Compatible Components - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 268
Microsoft® Windows® 7 Environment Test 7-4 V3 771/771G 7-4 8-2 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 269
is tested and verified by Acer's internal testing department. All of its system functions are tested under Windows® 7 environment. Refer to the following lists for components, adapter cards, and peripherals which have passed these tests. Regarding configuration, combination and test procedures - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 270
Microsoft® Windows® 7 Environment Test 0 V3 771/771G 0 Table 8-1. V3 771/771G Vendor Type Adapter 60036752 LITE 65W 65W 90W 90W 60016453 CHICONY POWER 90W Audio Codec 10004786 REALTEK ALC271X_VB6 Battery Description Acer Part No. Adapter LITE-ON 120W-DE 19V 1.7x5.5x12.5 Green PA-1121- - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 271
Table 8-1. V3 771/771G Vendor Type 60001921 SANYO 6CELL2.2 10001063 ID:AS10D81 Battery SANYO AS10G Li-Ion 3S3P SANYO 9 cell 9000mAh Main COMMON ID:AS10G3E Acer Part No. BT.00603.124 BT.00604.049 BT.00605.072 BT.00607.126 BT.00607 3M HD SY_SONY119_SP AM.21400.122 Test Compatible Components 7-5 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 272
Table 8-1. V3 771/771G Vendor Type 10001023 HD LITE-ON Ci73720QM 10001067 INTEL PMDB960 10001067 INTEL PMDB970 HDD Description Liteon HD LT_OV9726_SP 3.5mm Acer Part No. NC.21411.002 Chicony HD CH_OV9726_AU 3.5mm NC.21411.006 5 96001.DPB KC.97001.DPB 7-6 Test Compatible Components - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 273
Table 8-1. V3 771/771G Vendor Type 60002005 HGST SG N1000GB5.4K S 60001922 TOSHIBA DIGI N1000GB5. HF F/W:01.01A01 HDD WD 2.5" 5400rpm 500GB WD5000BPVT-22A1YT0, ML500M, 500G/P SATA 8MB LF+HF F/W:01.01A01 Acer Part No. KH.01K07.005 KH.01K04.003 KH.01K08.017 KH.32007.015 KH.32004.005 KH.32008.024 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 274
Table 8-1. V3 771/771G Vendor Type 60002005 HGST 4KS N500GB5.4KS _4K 60001922 TOSHIBA DIGI 60001994 WD N640GB5.4KS _4K N640GB5.4KS _4K Description Acer Part No. HDD HGST 2.5" 5400rpm 640GB 640G KH.64007.004 Dummy P.N SATA 8MB LF+HF F/W:01.01A01 KH.64008.006 7-8 Test Compatible Components - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 275
Table 8-1. V3 771/771G Vendor Type 60002036 SEAGATE N750GB5 GN001A for exteral HDD market only Acer Part No. KH.75001.011 KH.75004.003 Keyboard ACER GF7T_A10B GF7T Internal 17 Standard Black NONE Y2010 Acer Legend Texture KB.I170A.293 Atheros .031 KN.4GB00.003 Test Compatible Components 7-9 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 276
V3 771/771G DDRIII 1333 4GB HMT351S6CFR8C-H9 LF+HF 256x8 38nm Acer Part No. KN.4GB07.003 KN.4GB03.009 KN -TD03RT LF W/O bezel 1.01 SATA Zero Power + BUS Encryption (Windows 7) ODD PIONEER BD COMBO 12.7mm Tray 6X BDC-TD03RT LF+HF bezel SATA support BDXL & WIN7 KO.00607.002 KO.00405.008 KO.00605.002 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 277
V3 771/771G UMA 1G-DDR3 (64*16*8) 2G-DDR3 (128*16*8) N VR1GbIII9 Test Compatible Components Description ODD PANASONIC BD RW 12.7mm Tray 6X UJ240 W/O bezel SATA Zero Power Supported (HF + Windows 7) ODD PLDS Super-Multi DRIVE 12.7mm Tray 8X DS-8A8SH LF+HF W/O bezel SATA Acer Part No. KO.00607 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 278
Table 8-1. V3 771/771G Vendor Type 60002045 HYNIX VR2GBIII9 60002045 HYNIX VR2GBIII9 Wireless LAN 10001023 LITE-ON 3rd WiFi 2x2 AGN+ BT4.0 10001018 HON HAI 3rd WiFi 2x2 AGN+ BT4.0 10001018 HON HAI 3rd WiFi 2x2 AGN+ BT4.0 10001023 LITE-ON 3rd WiFi 2x2 AGN+ BT4.0 WiFi Antenna 10000105 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 279
Table 8-1. V3 771/771G Vendor Type 10000981 MISC McAfee Description Antivirus application McAfee Acer Part No. SR.23900.001 Test Compatible Components 7-13 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 280
7-14 Test Compatible Components - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 281
CHAPTER 8 Online Support Information - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 282
Introduction 8-3 9-2 - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 283
password. These can be obtained directly from Acer CSD Taiwan. Acer's Website offers convenient and valuable support resources. In the Technical Information section users can download information on all of Acer's Notebook, Desktop and Server models including: Service guides for all models Bios - Acer Aspire V3-731 | Acer Aspire V3-771G Notebook Service Guide - Page 284
8-4 Online Support Information