On Tuesday, 19 April 2022 at 09:08, Dominik 'Rathann' Mierzejewski wrote: > On Tuesday, 19 April 2022 at 08:46, Dominik 'Rathann' Mierzejewski wrote: > > On Monday, 18 April 2022 at 12:17, Thomas Schmitt wrote: > [...] > > > xorrisofs option --mbr-force-bootable may be added to the grub-mkrescue > > > arguments. If we indeed face this bug, then a grub-mrescue ISO with EFI > > > equipment should not boot on the affected machine, unless this extra > > > option was given at production time. > > > > I'll try the grub2-mkrescue ISO next. > > And indeed, it doesn't boot. Same "Operation System not found" message. Looks like it's a common issue with USB stick booting on these old Dell XPS 15s: https://askubuntu.com/questions/611135/operation-system-not-found-during-usb-boot https://askubuntu.com/questions/451931/operation-system-not-found-dell-xps-15z-l511z https://www.dell.com/community/Laptops-General-Read-Only/Operation-System-Not-Found-not-a-typo/td-p/5177162 https://www.dell.com/community/SupportAssist-Enterprise/Trying-to-boot-from-USB-but-getting-quot-Operation-system-not/td-p/5966292 https://bbs.archlinux.org/viewtopic.php?id=226003 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@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx 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@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure