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BIOS Update when the bios update is not available on the manufacturer's site

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HP Pro All in One PC 3420

Hi Everyone,

My question is related to BIOS update i usually update my HP PC's Bios from HP Official Website in the software & Drivers page, but for this specific PC it shows that it is not available or the manufacturer stopped, although it should show the older update if it was available earlier, i can not say if it was removed anyway it is equipped with AMI Bios and the motherboard manufacturer is Quanta , i do not want to update beyond the HP official and supported  Bios update for this product but there is no other way, can anyone help me that how to update the bios if it is not available anymore on the manufacturer webpage, because it is critical for me to update, Regards

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That 10 year old chipset , having an original Win 7 OS, has NO available HP upgrade BIOS.

This system is feedback driven thru Solution and Kudo flags. It's the only means of knowing if you have been served. Please click Accept as Solution, if your problem is solved. To say THANK YOU, press the "thumbs up symbol" to render a KUDO. You can render both Solution and KUDO..

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