Hello, Am 5. August 2025 10:49:15 MESZ schrieb smallbussiness <[email protected]>: >Actual behavior: > >- GRUB was written to the internal EFI, and the GRUB configuration points >to the USB root filesystem. >- Internal system became unbootable without USB inserted. >- There was no clear warning or choice to avoid this behavior during >installation. > > >System details: > >- Debian version: Debian GNU/Linux 12 (bookworm)
There were significant changes in this regard in Trixie, so you could try, if it works better for you with a beta image of Debian 13 (Trixie RC 3): <https://www.debian.org/devel/debian-installer/> Holger -- Sent from /e/ OS on Fairphone3

