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I need to unlock a dell m140 bio password - Computers & Internet

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Two things to do:
remove your CMOS battery and insert it back after 10-15 min.
there will be a jumper with BIOS CONFIG written near it near the CMOS battery. remove it from position 1&2 and put it in position 2&3.
Switch on your computer and leave it for a few minutes. Adjust settings to your desire.
Put it back in original position.
Restart and you are good to go back into BIOS and make the settings you want.

Posted on Apr 13, 2014

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Take the battery out of the motherboard. Wait a few minutes and put it back in.

Posted on Apr 13, 2014

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Posted on Jan 02, 2017

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SOURCE: how can i unlock dell latitude d420 bios password

Clearing the CMOS will reset the password...
Take the button cell battery out for a few minutes, put it back in, and all settings, including the password, should go back to defaults.
Unfortunately it looks like your BIOS battery is under the keyboard...
Dell has got what looks like decent directions here, for getting at it:
http://support.dell.com/support/edocs/systems/latd420/en/SM_EN/coinbatt.htm#wp1123951

Posted on Nov 25, 2008

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SOURCE: i bought a dell inspiron 1525 notebook and it has a bios password

Take the battery out Short the battery terminals or shorting points .Reinstal battery and the pass word wil be gone. 

Posted on Jan 17, 2009

drifterK
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SOURCE: BIOS PASSWORD UNLOCK OR FALASHER BIOS

if you do not have the bios password you have to open it ..and clear bios by short the pins if you find them...or remove the bios battery for 10 seconds..and will be on factory optimal defolts

Posted on Mar 27, 2010

pappapumpdaf
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SOURCE: DELL XPS M140 MXC051 LAPTOP BIOS PASSWORD

Most laptop or notebook computers feature enhanced BIOS security, and BIOS passwords on laptops are hard to bypass. Several companies offer laptop security chip services that can be used to bypass the BIOS password on Dell laptops or notebooks and reset the security. They can provide a master password from the Dell Service Tag of your Dell laptop. This master password will allow you to bypass the existing password and enter the BIOS and reset the unknown password. To generate the master password they need to know the Dell Service Tag of your unit. Dell Master Password Recovery does not require soldering or disassembly of the laptop and supports most Dell models.

Dell BIOS passwords can also be reset by replacing the laptop security chip. Passwords can also be recovered from security chips that have been removed from laptop or notebook systems. These passwords may be required to attempt to unlock protected hard disks. Passwords recovered from these chips are the original BIOS passwords and may be the same as the hard disk password, but are not guaranteed to be the same and may not unlock the hard disk.These are usually damaged in the process of recovering the passwords and are not suitable for replacement into a computer.

Posted on Apr 08, 2010

  • 69 Answers

SOURCE: bios password on my dell xps m140

go to www.biospro.com they can help, works for me every time

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Posted on May 10, 2011

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I need the sustem passcode for my dell xps m140 laptop not the bios passcode the dell passcode


I didn't realize dell had a password. There's the Bios Password, the Hard Drive Password and the Windows Password.

May 31, 2012 | Dell Computers & Internet

1 Answer

I need the dell system passcode xps m140 not the bios


Are you talking about the Windows Welcome Screen User Login Password? That's not a Dell password, but a Windows password.

May 31, 2012 | Dell Computers & Internet

1 Answer

Need to reset the bios password on my dell xps m140 laptop.


You would have to reset the whole bios to default which maybe something you cannot do. The only other method would would be to take the laptop apart and remove the battery that keeps the motherboard BIOS memory powered. It should look like a large watch battery. Remove for 5 to 10 seconds, and replace. Then put the laptop back together and that should reset the BIOS, password and all.

Apr 27, 2011 | Dell Inspiron XPS M140 Notebook

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Dell D420 Bios Password


I got my Dell Bios & HDD Master Pasword within a few minutes from http://www.bios-password.kickme.to/

Jul 20, 2010 | Dell Latitude D420 Notebook

6 Answers

DELL XPS M140 MXC051 LAPTOP BIOS PASSWORD


Most laptop or notebook computers feature enhanced BIOS security, and BIOS passwords on laptops are hard to bypass. Several companies offer laptop security chip services that can be used to bypass the BIOS password on Dell laptops or notebooks and reset the security. They can provide a master password from the Dell Service Tag of your Dell laptop. This master password will allow you to bypass the existing password and enter the BIOS and reset the unknown password. To generate the master password they need to know the Dell Service Tag of your unit. Dell Master Password Recovery does not require soldering or disassembly of the laptop and supports most Dell models.

Dell BIOS passwords can also be reset by replacing the laptop security chip. Passwords can also be recovered from security chips that have been removed from laptop or notebook systems. These passwords may be required to attempt to unlock protected hard disks. Passwords recovered from these chips are the original BIOS passwords and may be the same as the hard disk password, but are not guaranteed to be the same and may not unlock the hard disk.These are usually damaged in the process of recovering the passwords and are not suitable for replacement into a computer.

Apr 08, 2010 | Dell Inspiron XPS M140 Notebook

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