Acer Aspire V5-471 Support Question
Acer Aspire V5-471 Support Question
Find answers below for this question about Acer Aspire V5-471.Need a Acer Aspire V5-471 manual? We have 1 online manual for this item!
Question posted by absamadshams on May 5th, 2015
Bios Passord Removal I Forgot My Bios Password And Wanted To Remove Or Rese
can you help me please.
Current Answers
Answer #1: Posted by TommyKervz on May 5th, 2015 2:24 AM
TommyKervz
Member since:
January 10th, 2013 Points: 17,776,843
Member since:
January 10th, 2013 Points: 17,776,843
Follow the instructions on page 195 here
Related Acer Aspire V5-471 Manual Pages
Acer V5-471 Notebook Service Guide - Page 5
... 1-13 Right View 1-14 Base View 1-15 Touchpad Basics 1-16 Keyboard 1-17 D2D Recovery 1-21 System Block Diagram 1-22
Specification Tables 1-23
CHAPTER 2 System Utilities
BIOS Setup Utility 2-3 Navigating the BIOS Utility 2-3 BIOS Menus 2-4 Main 2-6 Security 2-8 Boot 2-11
v
Acer V5-471 Notebook Service Guide - Page 6
...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
CHAPTER 3 Machine Maintenance
Machine Disassembly and Replacement 3-5 Recommended Equipment 3-5 Replacement Requirements 3-5 Pre-disassembly...
Acer V5-471 Notebook Service Guide - Page 7
LCD Module Disassembly Process 3-39 LCD Module Disassembly Flowchart 3-39 Removing the LCD Bezel 3-40 Removing the Camera Board 3-41 Removing the LCD Panel 3-42 Removing the LCD FPC Cable 3-43 Removing the LCD Brackets 3-44 Removing the Microphone 3-45
LCD Module Reassembly Process 3-46 Reinstalling the Microphone 3-46 Reinstalling the LCD Brackets 3-47 Reinstalling the LCD...
Acer V5-471 Notebook Service Guide - Page 8
...4-19
Undetermined Problems 4-19
Error Codes 4-20 BIOS Beep Codes 4-21
POST Codes 4-26 Component Codes 4-26 Progress Codes 4-31
CHAPTER 5 Jumper and Connector Locations
Mainboard Layout 5-3
Clearing Password Check and BIOS Recovery 5-7 Clearing the BIOS Passwords 5-7 Performing a BIOS Recovery 5-8
CHAPTER 6 FRU List
Aspire MS2360 6-4
Exploded Diagrams 6-4 Main Assembly 6-4 LCD Assembly...
Acer V5-471 Notebook Service Guide - Page 17
... 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 V5-471 Notebook Service Guide - Page 62
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 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 V5-471 Notebook Service Guide - Page 68
... three attempts are allowed before system halts. 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 password setting Hard drive password setting Option to set the supervisor password Option to set a user password Option to set the hard drive...
Acer V5-471 Notebook Service Guide - Page 69
... changes and exit from the BIOS Setup Utility. Set Supervisor Password
Enter Current Password [
]
Enter New Password [
]
Confirm New Password [
]
Figure 2-5. System Utilities
2-9
Passwords are not case sensitive and the length must not exceed eight alphanumeric characters (A-Z, a-z, 0-9).
3. Press Enter.
Removing a Password
0
Perform the following:
1. Press...
Acer V5-471 Notebook Service Guide - Page 70
... Password [
]
Enter New Password [
]
Confirm New Password [
]
Figure 2-6. Retype the password in the Enter New Password field. 4. Setup Notice
Changes have been saved. [Continue]
Figure 2-7.
Press Enter. Changing a Password
0
1. Set Supervisor Password 2. Type the new password in the Confirm New Password field. NOTE: NOTE:
Users can choose to save changes and exit from the BIOS...
Acer V5-471 Notebook Service Guide - Page 75
Type the following command:
A\> unlock6 XXXXX 00
Figure 2-12. Removing the HDD Password 0
NOTE: NOTE:
If the incorrect HDD password is generated. (Figure 2-11)
Password Error Status
HDD password error code
Figure 2-11. Unlock Key Code 3.
Password Encoding System Utilities
2-15 Remove HDD/BIOS Password Utilities 0 This section explains how to display the command options. Press Enter...
Acer V5-471 Notebook Service Guide - Page 76
...Enter. 5.
Write down the generated master password. 6. Removing the BIOS Passwords 0 To clear a lost BIOS password (user or supervisor password), you need to short the clear password hardware gap (G2201) located on the mainboard. Reboot the computer. 7. G2201 Hardware Gap
2-16
System Utilities 4. In the HDD password prompt, type the master password generated in step 5, then press
Enter...
Acer V5-471 Notebook Service Guide - Page 77
... been cleared. Press F10 to load the system defaults. 11. If the DIMM2 slot is occupied, remove the installed DIMM module and locate the G2201
gap. 4. If no
password prompt appears, the BIOS passwords have been cleared. 10. Press F9 to save the changes you made and close the Setup Utility. System Utilities
2-17...
Acer V5-471 Notebook Service Guide - Page 78
... and reboot the computer. 6. Reboot when the process has completed.
2-18
System Utilities Using DMI Tools 0
The DMI (Desktop Management Interface) Tool copies BIOS information to the HDD and remove the HDD form the computer. 3. Create a DOS bootable USB HDD. 2. Figure 2-15. At the command prompt, navigate to the first position. Press...
Acer V5-471 Notebook Service Guide - Page 85
... Part Number 86.9A552.3R0 86.00J40.323 86.00J51.535 N/A
Machine Maintenance
3-7 For example, if you want to any of the sequence to avoid damage to remove the main board, you must first remove the keyboard, then disassemble the inside assembly frame in the succeeding disassembly sections illustrate the entire disassembly sequence...
Acer V5-471 Notebook Service Guide - Page 178
... Code Mismatch
2. An incorrect password was entered.
In this situation BIOS shuts the system down . Error Codes 0
Table 4-2.
Battery critically low. No message is displayed. No message is displayed.
4-20
Troubleshooting In this situation BIOS will be shown before "Equipment Configuration Error")
010
Memory Error at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh)
070
Real...
Acer V5-471 Notebook Service Guide - Page 182
BIOS Beep Codes
Code 99h
Beeps
POST Routine Description Check for SMART drive (optional)
9Ah
Shadow...
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 V5-471 Notebook Service Guide - Page 192
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 V5-471 Notebook Service Guide - Page 197
...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. Figure 2-5. Remove the battery pack and DIMM cover. 3. If the DIMM2 slot is occupied, remove the installed DIMM module and locate the G2201
gap...
Acer V5-471 Notebook Service Guide - Page 198
... USB flash drive's root directory. 7.
Prepare a removable USB flash drive. Note that can corrupt the BIOS code, which will be cleared during a BIOS flash procedure (e.g. Type startup.nsh. The BIOS boot block refers to reboot the computer and recover the regular BIOS code. Set up a system with minimum BIOS initialization.You need to access and execute...
Acer V5-471 Notebook Service Guide - Page 235
... hesitate to direct any suggestions or comments to us. and password. However some information sources will require a user i.d.
We ..., fax
and email contacts for all models Bios updates Software utilities Spare parts...This section describes online technical support services available to help users repair their Acer Systems. For distributors, ...
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