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Acer 4220 Lost password - Resetting the BIOS bios password boot disk

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Go to pccmos.com
download pccmoscleaner
burn it in a cd
boot from the cd
and your bios password will be gone

Posted on Dec 29, 2010

  • vinayak pandey
    vinayak pandey Dec 30, 2010

    what went wrong with this solution sir?

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1 Answer

How to Reset or Remove Acer Aspire 4752Z BIOS password?


BIOS passwords can be reset or removed in two ways:

1. using software 2. using hardware.

I would first try resetting or removing using software, here are two software apps to reset or retrieve BIOS passwords.

!BIOS - is a PC BIOS toolkit offering password removal/decrypt and BIOS settings modification/backup/restore.
You can download it here:
http://www.syschat.com/download120.html&act=down

CmosPwd - Cmos password recovery tools
http://majorgeeks.com/CmosPwd_d239.html

You will need to create a bootable Dos, or Linux or NT cd in order to run them.

Good Luck!

Sep 07, 2012 | Acer Computers & Internet

1 Answer

When i try installing windows xp on acer extensa 4220, i get an error message "hard disk cannot be found"


go to BIOS settings and change SATA mode from AHCI to IDE.press F2 while booting up

Jun 14, 2011 | Acer Extensa 4220-2148 Notebook

1 Answer

I am trying to remove or reset password for Acer Extensa 4220. I already tried several times removing battery but no luck on resetting the password. Anyone know how to reset or disable the BIOS password?...


Hi

To break BIOS password, you need to unpack the laptop
there is inner cmos-battery that should be removed for a while, and put it back to it's plase,
but this operation isn't easy to be done, it should go through technician.

Please tell us your results
Good Luck

May 15, 2011 | Acer 4220-2346 Notebook

1 Answer

Acer extensa 4220 bios password


There's no way that we can determine the BIOS password of your laptop. But if you can disassemble your laptop and locate the CMOS battery you can remove the CMOS battery to reset the BIOS together with the password. After resetting the CMOS battery you will no longer be asked to enter a password for the BIOS when you turn on your computer. However, there are instances that even though you reset the CMOS it's still asking for the password, for this concern, the computer manufacturer should deal with this concern.

Jan 14, 2010 | Acer Computers & Internet

2 Answers

Acer extensa 4220 bios password how to remove or reset


Actually you can clear the BIOS password by resetting the CMOS jamper. If you are familiar with CMOS jamper it is easy for you. Open your laptop with the use of screw driver. Once you are already open it locate the CMOS jamper near the CMOS battery at the south bridge of your laptop motherboard. Remove the jamper with in 5 seconds after that reinsert and trun on your laptop.

Jan 14, 2010 | Acer 4220-2346 Notebook

3 Answers

Please help me reset my bios password on acer travelmate 2410


First you need to remove the laptop battery at the back side. Find some screw there and remove it locate the CMOS battery and jamper.

The BIOS password is stored in CMOS memory that is maintained while the PC is powered off by a small battery, which is attached to the motherboard. If you remove this battery, all CMOS information (including the BIOS password) will be lost. You will need to re-enter the correct CMOS setup information to use the machine. The machines owner or user will most likely be alarmed when it is discovered that the BIOS password has been deleted.

On some motherboards, the battery is soldered to the motherboard, making it difficult to remove. If this is the case, you have another alternative. Somewhere on the motherboard you should find a jumper that will clear the BIOS password. If you have the motherboard documentation, you will know where that jumper is.

If not, the jumper may be labeled on the motherboard. If you are not fortunate enough for either of these to be the case, you may be able to guess which jumper is the correct jumper. This jumper is usually standing alone near the battery. If you cannot locate this jumper, you might short both of the points where the battery connects to the motherboard.

Oct 08, 2009 | Acer 4220-2346 Notebook

1 Answer

Boot problem


There are three possible options ranging from free (if you are not afraid to open your laptop, locate and remove the bios battery) to $170 (for a new hard drive and a cloning kit).

Option 1: Here is a copy of an email from Acer Support:
Thank you for contacting Acer America. I apologize for the delay in responding to your inquiry. In order to have the BIOS or hard disk password removed (This include any biometric security), the notebook will need to come in to our repair depot for password removal. This service is not covered by warranty and unfortunately there is no other recourse to remove a BIOS or HDD password from the notebook. The flat fee for BIOS password removal is $100.00 US dollars plus tax. If it is a BIOS or HDD password and you would like us to service it for you, please contact our telephone technical support line at 1-800-816-2237. Hours of operation are 7am-9pm CST Monday-Friday and 8am-5pm CST Saturday and Sunday, excluding holidays.

Option 2: Resetting an Acer BIOS Password Using Hardware.
If you cannot boot the Acer and don't want to send your computer back to Acer for an unknown amount of time, you can try to reset the BIOS password via hardware.
Tech FAQ Forum members have reported that they were able to remove their Acer BIOS passwords by simply opening their notebooks and removing the CMOS batteries for 30 minutes.
Once your BIOS password is removed, you will need to press the <F2> key during POST (Power On Self Test) to enter the Acer BIOS setup.

Option 3: Possibly resetting BIOS Password using Hard Drive Upgrade Kit and a new Hard Drive.
A colegue told me that he used a hard drive upgrade kit and during the cloning process the hard drive password was erased. He can not recall providing the password when he booted from the bootable cloning CD provided with the Kit and when he replaced the hard drive with the cloned one and botted the laptop, the hard drive password was gone! He had to go into bios to manually enter a new hard drive password.
The kit he used was about $50 - APRICORN EZ-UP-UNIVERSAL 2.5" USB 2.0 Hard Drive Upgrade Kit - Retail. He paid for a bigger hard drive separately, but he just needed bigger hard drive (and found out about the password erasure by accident).

Jan 06, 2009 | Acer Aspire 3680 Laptop

1 Answer

Resetting the bios password a on acer travelmate 2356xm


This web link will give you different options on resetting and clearing the bios password. The easest way is taking out the battery if not smoldered in for 30 min. then on post boot press f2 to get to bios.

http://www.askvg.com/how-to-reset-remove-bypass-a-bios-or-cmos-password/

Jul 14, 2008 | Acer Computers & Internet

5 Answers

Install xp on acer extensa 4220 hard disk not detected


Acer Extensa supports two model of HDD installation 1) AHCI and 2) SATA.

Windows Vista get installs on both but for Windows XP you need to Enable SATA option.

For that go into Bios, Change option of Hard Disk from AHCI to SATA. After that you can install both XP as well as Vista.

Try it, and mail me update: ansari.yasser@gmail.com

i am using Windows XP on Acer Extensa-4220

Jun 21, 2008 | Computers & Internet

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