wanted Dell Latitude E6420 = 1D3B Backdoor Password ?

Question:

wanted Dell Latitude E6420 = 1D3B Backdoor Password ?
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Detail About the The Problem:

Got a Dell Laptop with the notorious Secure Manager Administrator Password 1D3B set
and need backdoor password to unlock it before school starts!
How do I unlock dell Latitude E6420 = 1D3B ?

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Images About the problem:

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Solution by BiosPro:

Removing The CMOS will have no effect as the secure manager password is stored on an EEPROM which does not require power to keep the information. You need a Secure Manager Administrator password that can be calculated by your service tag. The Dell Secure Manager master password will clear any set Secure Manager password allowing you full access to the bios setup page. http://pwd4bios.com/ can calculate the Dell Secure Manager master password from your service tag just like Dell Support does.

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Problem Solved .

Solution provider:  http://pwd4bios.com/remove-dell-latitude-e6420-bios-password.html
Source:  http://pwd4bios.com/remove-dell-latitude-e6420-bios-password.html

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Date: Feb 19, 2013