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How to remove bios password of dell inspirion 6400

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Open the case and remove the battery that is on the main board

Posted on Apr 16, 2009

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If you have lost or forgotten a BIOS password on the system, then you will need to contact Dell Technical support to get a master password generated by the support team.

you will need to validate that you are the owner of the system

1-800-624-9896

Posted on Apr 16, 2009

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I am locked out of my dell and need bios password


Can't remember if there is a CMOS jumper to clear the BIOS. May have to remove the BIOS battery to clear settings and password.

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How to bypass or remove system password on a dell inspirion 6400


You are probably referring to the BIOS password. Call Dell Support to request the reset password. (800)624-9896

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I would like to get a password to have access at a BIOS Dell Inspiron 6400.


Dell Laptop with bios or hard drive password set ? Unlock your dell laptop using the link below if it display a message that says "this computer system is protected by a password authentication system, you cannot access the data on this computer without the primary or administrator password, when you turn on the computer. This message is what you get if the BIOS is protected by a password. or you get system disabled

Go to: http://dell-inspiron-6400-bios-password.biospwd.com to get your dell bios password authentication and get full access to your dell computer, they can unlock almost all dell laptop such as dell inspiron, xps, latitude, precision, studio, vostro

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1 Answer

Bios password for dell inspirion 6400


remove the laptop (large battery) then: remove the bios battery (small) from the motherboard wait ten minutes pluf in the laptop reboot then shutdown and reinsert the laptop battery. your code will be erased

May 21, 2009 | Dell Inspiron 6400 Notebook

1 Answer

DELL


REMOVE THE CMOS BATTERY FROM THE MOTHERBOARD AND INSERT IT AGAIN TO RESET BIOS PASSWORD..

Feb 02, 2009 | Dell Inspiron 6400 Notebook

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Reset bios password


If you are not afraid to open the box, the simple fix would be to remove the cpu battery(looks like a quarter) for about 30 seconds and replace, then boot up. At that point it will ask for information such as date and time, but then you can access the bios

Oct 03, 2008 | Dell Inspiron 6400 Notebook

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