Acer Aspire V5-571G Support Question
Acer Aspire V5-571G Support Question
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Question posted by fafajohn on October 28th, 2013
How Can I Reset The Bios Password Of My Aspire V5 431/471?
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Current Answers
Answer #1: Posted by TechSupport101 on October 28th, 2013 3:47 AM
TechSupport101
Member since:
May 24th, 2013 Points: 12,171,325
Member since:
May 24th, 2013 Points: 12,171,325
Hi, just refer to the tutorial video in the link below:
Related Acer Aspire V5-571G Manual Pages
Acer Aspire V5-531 Notebook Service Guide - Page 2
..., either expressed or implied, with respect to the contents hereof and specifically disclaims any warranties of merchantability or fitness for the updates made to this Aspire MS2361 Service Guide. All rights reserved.
ii Date
Chapter
Updates
Service guide files and updates are trademarks or registered trademarks of this guide is subject...
Acer Aspire V5-531 Notebook Service Guide - Page 5
... 1-13 Right View 1-14 1-15 Base View 1-15 Touchpad Basics 1-16 Keyboard 1-17 D2D Recovery 1-21 System Block Diagram 1-22
Specification Tables 1-23
System Utilities 3
BIOS Setup Utility 2-3 Navigating the BIOS Utility 2-3 BIOS Menus 2-4 Main 2-6 Security 2-8 Boot 2-11 Exit 2-12 DOS Flash Utility 2-14 WinFlash Utility 2-14
v
Acer Aspire V5-531 Notebook Service Guide - Page 6
Removing the HDD Password 2-15 Removing the BIOS Passwords 2-16 Clearing the BIOS Passwords 2-17 LAN EEPROM Utility 2-18
Machine Maintenance 5
Machine Disassembly and Replacement 3-5 Recommended Equipment 3-5 Replacement Requirements 3-5 Pre-disassembly Instructions 3-6
Disassembly Process 3-7
External Module Disassembly Process 3-8 External ...
Acer Aspire V5-531 Notebook Service Guide - Page 8
Intermittent Problems 4-18 Undetermined Problems 4-18 Error Codes 4-19 POST Codes 4-25
Jumper and Connector Locations 3
Mainboard Layout 5-3 Clearing Password Check and BIOS Recovery 5-7
Clearing the BIOS Passwords 5-7 Performing a BIOS Recovery 5-8
FRU (Field Replaceable Unit) List 3
Exploded Diagrams 6-4 Main Assembly 6-4 LCD Assembly 6-6
Test Compatible Components 3
Microsoft Windows...
Acer Aspire V5-531 Notebook Service Guide - Page 10
... Diagram 1-22
Specification Tables 1-23 Computer Specifications 1-23 Processor 1-24 Processor Specifications 1-25 System Memory 1-25 Graphics Controller 1-26 VRAM (Discrete models only 1-26 System BIOS 1-27 Keyboard 1-27 Hard Disk Drive 1-28 Super-Multi Drive 1-29 Card Reader 1-29 LCD Panel 1-30
1-2
Acer Aspire V5-531 Notebook Service Guide - Page 15
... Feature Port (thru bundled Y Cable):
Gigabit Ethernet, Wake-on-LAN ready
Realtek RTL8411 EN controller
Privacy Control 0 BIOS supervisor, user, and HDD passwords Kensington lock slot
Power Adapter and Battery 0
19 V 3-pin 65 W AC adapter 4-Cell 2.8 Ah Li-ion battery...
Acer Aspire V5-531 Notebook Service Guide - Page 29
... computer to factory condition. This will display the
eRecovery Management window. 7. Restart the computer. 2. During POST, press Alt+F10 to save settings and close the BIOS Setup screen. 6.
Press to Enabled. 5. Press to select the D2D Recovery field and make sure it is set to select the Main menu...
Acer Aspire V5-531 Notebook Service Guide - Page 60
BIOS Setup Utility 2-3 Navigating the BIOS Utility 2-3 BIOS Menus 2-4 Main 2-6 Security 2-8 Boot 2-11 Exit 2-12
BIOS Flash Utilities 2-13 DOS Flash Utility 2-14 WinFlash Utility 2-14
Remove HDD/BIOS Password Utilities 2-15 Removing the HDD Password 2-15 Removing the BIOS Passwords 2-16 Clearing the BIOS Passwords 2-17
Using DMI Tools 2-18 LAN EEPROM Utility 2-18
2-2
Acer Aspire V5-531 Notebook Service Guide - Page 66
... unauthorized use. Resetting the BIOS password may require the user to return the computer to enable password requirement during system boot
Option Clear or Set Clear or Set Clear or Set - - - BIOS Security
Parameter Supervisor Password Is User Password Is HDD Password State Set Supervisor Password Set User Password Set HDD Password Password on Boot
Description Supervisor password setting User...
Acer Aspire V5-531 Notebook Service Guide - Page 67
... and press Enter. Set Supervisor Password
2. Type the current password in the Enter New Password field and press Enter. Set Supervisor Password
Enter New Password [
]
Confirm New Password [
]
Figure 2-4. Retype the password in the Enter New Password and Confirm
New Password fields. 4. Press Enter. Press F10 to save changes and exit from the BIOS Setup Utility. Press F10 to...
Acer Aspire V5-531 Notebook Service Guide - Page 68
...[
]
Figure 2-6.
Press F10 to enable the Password on Boot parameter. 6. Set Supervisor Password 2. Retype the password in the Enter Current Password field and press Enter. 3.
Changing a Password
0
1. Setup Notice
Changes have been saved. [Continue]
Figure 2-7. NOTE: NOTE:
Users can choose to save changes and exit from the BIOS Setup Utility.
2-10
System Utilities Press to...
Acer Aspire V5-531 Notebook Service Guide - Page 73
... Status To reset the HDD password: 1.
Password Encoding System Utilities
2-15 Remove HDD/BIOS Password Utilities 0 This section explains how to display the command options. Figure 2-13. Type the following command:
A\> unlock6 XXXXX 00
Figure 2-12. Press Enter to remove the HDD and BIOS passwords. Open the computer in succession, an error is generated. (Figure 2-11)
Password Error...
Acer Aspire V5-531 Notebook Service Guide - Page 74
Reboot the computer. 7. In the HDD password prompt, type the master password generated in step 5, then press
Enter. G2201 Hardware Gap
2-16
System Utilities
Write down the generated master password. 6.
Figure 2-14. Select option 2 (upper case ASCII code) and press Enter. 5. Removing the BIOS Passwords 0 To clear a lost BIOS password (user or supervisor password), you need to short the...
Acer Aspire V5-531 Notebook Service Guide - Page 75
...end to access the Setup Utility. If the prompt appears, repeat steps 4-9 until the BIOS passwords have been cleared.
Reinstall the DIMM module, DIMM cover and battery pack. 9. While... remove the installed DIMM module and locate the G2201
gap. 4. Clearing the BIOS Passwords 0
1. System Utilities
2-17 After the BIOS POST, remove the tool from the computer.
2. Press F9 to save the...
Acer Aspire V5-531 Notebook Service Guide - Page 177
... Messages
006
Equipment Configuration Error
Causes:
1. An incorrect password was entered.
Error Codes 0
Table 4-2. IDE Primary Channel Master Drive Error
(The causes will issue four (4) short beeps, then shuts the system down . In this situation BIOS shuts the system down .
In this situation BIOS will be shown before "Equipment Configuration Error")
010
Memory...
Acer Aspire V5-531 Notebook Service Guide - Page 178
... control word during warm boot
13h
Initialize PCI Bus Mastering devices
14h
Initialize keyboard controller
16h
1-2-2-3
BIOS ROM checksum
17h
Initialize cache before memory autosize
18h
8254 timer initialization
1Ah
8237 DMA controller initialization
1Ch
Reset Programmable Interrupt Controller
20h
1-3-1-1
Test DRAM refresh
22h
1-3-1-3
Test 8742 Keyboard Controller
24h
Set ES...
Acer Aspire V5-531 Notebook Service Guide - Page 181
BIOS Beep Codes
Code 99h
Beeps
POST Routine Description Check for SMART drive (optional)
9Ah
Shadow...B2h
POST done- prepare to boot operating system
B4h
1
One short beep before boot
B5h
Terminate QuietBoot (optional)
B6h
Check password (optional)
B9h
Prepare Boot
BAh
Initialize DMI parameters
BBh
Initialize PnP Option ROMs
BCh
Clear parity checkers
BDh
Display MultiBoot menu...
Acer Aspire V5-531 Notebook Service Guide - Page 190
Mainboard Layout 5-3 Clearing Password Check and BIOS Recovery 5-7
Clearing the BIOS Passwords 5-7 Performing a BIOS Recovery 5-8
5-2
Acer Aspire V5-531 Notebook Service Guide - Page 195
... have been cleared. 10. Jumper and Connector Locations
5-7 Clearing Password Check and BIOS Recovery 0
This section provides procedures for: Clearing the BIOS passwords Performing a BIOS recovery
Clearing the BIOS Passwords 0
To clear a lost BIOS password (user or supervisor password), you made and close the Setup Utility. Use an electrical conductivity...
Acer Aspire V5-531 Notebook Service Guide - Page 229
... Desktop and Server models including:
Service guides for all models Bios updates Software utilities Spare parts lists TABs (Technical... to direct any suggestions or comments to a local Acer branch office. and password. Online Support Information
This section describes online technical support services available to help ...
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