deactivation of the system on a compaq cq57 76902311

I have a compaq presario cq57 of pursched of a pawn shop & during the transition from home to turn on a black screen with the blue appears saying the password administrator or power on password. Now I have never before have no idea what is in any case to understand this? After entering the password 3 times is what shows system disabled 76902311

Help me please!

Hi Nicolehogquist

Come in:

69660937

Tags: Notebooks

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