www.makemkv.com

Wow! It worked beautifully! I ran this command: /Applications/MakeMKV.app/Contents/MacOS/makemkvcon f -d 'ASUS_BW-16D1HT_3.10_211901041014_KLMK3RJ**** -f sdf_00000069.bin rawflash main -i ASUS-BW-16D1HT-3.10-WM01601-211901041014.bin And now MakeMKV reports: Drive Information Manufacturer: ASUS Produ...

Okay. I'll try to find someone with Windows. That's probably easier than making a bootable Windows USB work on a Mac.

Thanks for your answers.

VM is your problem That's my suspicion as well. However, I previoulsy used VirtualBox to run the old Asus downgrade tool from MacOS on an older drive, using this guide: https://www.makemkv.com/forum/viewtopic.php?t=19051#p71511 Does anyone know if something has changed in either VirtualBox on MacOS...

I’m going crazy here. I downloaded all the tools and firmwares, I followed all the guides, and still I keep getting “ Updating failure #4 ” and the tray ejects when I use the modified Asus flasher. It’s a brand new BW-16D1HT/BLK/G/AS , manufactured March 2020 . MakeMKV (OS X) reports the following: ...