HP compaq presario c700: power on password

I have a power on password after trying to restore the system to come. and have no idea what could be the password. y at - it a password that could circumvent this. the laptop is a HP compaq presario C700. and after you enter the passwords 3 times it comes up with key "system disabled": 86806543. hope there is something thanks

Hello

Enter: 39764585

Kind regards

DP - K

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