On Tuesday, 19 April 2022 at 09:20, Thomas Schmitt wrote: > Hi, > > i wrote: > > > Does the following bash hack "repair" the USB stick so that it boots on > > > the affected machine ? > > > echo $'\x80' | dd of=/dev/sdX conv=notrunc bs=1 seek=446 count=1 > > Dominik 'Rathann' Mierzejewski wrote: > > No, it doesn't. Still getting "Operation System not found". > > A new firmware riddle. > > Does it boot with ubuntu-21.10-desktop-amd64.iso ? > (That's supposed to be pure GPT with the little extra MBR partition.)
It doesn't. Same error. [...] > > I'll try the grub2-mkrescue ISO next. > > Once made with and once without extra option > --mbr-force-bootable > please. > (We are now using a long stick to poke around in the mist.) Image generated with: $ grub2-mkrescue -o output-mbr.iso --mbr-force-bootable minimal gives me the "Operation System not found" BIOS error again. I'll try modifying the ISO from the beginning of this thread according to your instructions from another subthread. Regards, Dominik -- Fedora https://getfedora.org | RPM Fusion http://rpmfusion.org There should be a science of discontent. People need hard times and oppression to develop psychic muscles. -- from "Collected Sayings of Muad'Dib" by the Princess Irulan _______________________________________________ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
