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hello I've got an issue i have got an hp EliteBook 840 g3 which i bought 2nd hand online.

i noticed that when i went into the bios there is a password on it admin.

i contacted the seller and he never noticed that and didn't know the password for it. looked online and every video points to opening laptop up and unsoldering bios chip. don't want to that is there anyway at all to reset it or is it unsoldering and reprogramming chip dont know any help would be apricated thank you 

longus

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