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HP EliteBook 8440p Base Model Notebook PC

I have a HP Elitebook 8440p where i presume a student had put a password on the bios, so i can't get in to make a few changes.

The problem is the same as in the subject. If i try to write a new bios to the system, it gives me error 89. And i need a proper SMC file for my HP.

Can you please get me that ? So i can wipe the bios clean.

Regards

Steffen

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