Dell Latitude E6510 asking for password authentication system

I have a Dell Latitude E6510 some days back, but because of some uncertain rezones my laptop has been locked in BIOS. With following massage; please help me out to come out of this problem.

“This computer system, is protected by password ___________ authentication system. You can not access the data on this computer without the correct password.”

I tried very thing but no luck…. PLEASE HELP ME!
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More about dell latitude e6510 password authentication system
  1. Hello ajaymirgal;

    You must contact the manufacturer (Dell) who can give you a new password for your specific laptop.
    LOCKED OUT OF YOUR LAPTOP?
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