Pavillion DV6 2020sa bios corrupt, wont take recovery. please help.

hi, thanks to anyone that has any input on this problem its much appriciated,
I am looking at my brothers laptop, pavillion DV6 2020sa he had a virus lock the screen, he held the power button to switch it off, upon reboot he gets the blank screen and flashing leds (2 flashes) upon lookin up it says bios corrupt, i have downloaded the bios from HP tis 3635.bin and have put in on a USB drive, the sticker under the battery also says 3635, so im confident i have the right one.
I then hold the win + B button and then power, it starts, and shortly after the USB stick light up and flashes, then stops, then flashes again, at that point i get 6 beeps, then silence, then i get 5 slow beeps, i have read this is meant to happen, but then its meant to resart, and this is the bit that dont happen, it dont do anything, when i restart it, it just does the same flashing lights.
am i doing something wrong, or something im missing.
Thanks again for any help.
Jamie.

You will need an eeprom programmer to reprogram a new BIOS chip with a fresh BIOS file. It takes a special hot air tool to successsfully remove and replace a notebook BIOS chip. This is not just normal soldering. This is what real electronics technicians and workers at an electronics R&D lab and workers on the assembly line at manufacturer do. Unless you just happen to be an electronics enthusiast or engineer, and I am guessing you are not since you asked these questions, this may be out of your league. If you feel adventurous and have  your brother's permission to use his notebook as a guinea pig...go for it! It is not as easy as the guy in the video made it look. He is a trained technician and  does it for a living.
Regards,
erico
****Please click on Accept As Solution if a suggestion solves your problem. It helps others facing the same problem to find a solution easily****
2015 Microsoft MVP - Windows Experience Consumer

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