I can't flash bios - ami aptio

I can't flash bios - ami aptio

I used AFUWINGUI V.5.15.02.0078 to extract the current bios of the laptop since with previous versions it did not read anything.

Then modify the file with AMIBCP 5.2.0.31 as older versions don't read the rom file. Modify the options I need to enable by default for the user and save the file.

Then I try to flash the file with AFUDOS but it says "46 - error: Problem getting flash information" I have tried earlier versions where the /GAN command can be used and nothing. I have tried to flash from AFUWIN but when I restart the computer what I get is a black screen (it turns on for a moment as if it were going to give an image and then the screen goes off 2 slow beeps 2 fast beeps) so I try to use " Program all Bocks", but I get "43 - Error: Problem erasing flash. Update failed! Please try again. Do not reboot your system until you have successfully updated the system BIOS" when it starts with "Boot Block"

It's an HP Pavilion 15-cw0007la laptop.

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