Password BIOS reset for HP Pavilion DV4 - 1283cl

I am working on a friends computer who forgot his password for the BIOS... it's a HP Pavilion dv4 - 1283cl and generates a "system to disable the key: 620705680.

Any suggestions on how to reset?

Hello

You are welcome

Enter: 73958506

Kind regards

DP - K

Tags: Notebooks

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