On Mon, Nov 04, 2024 at 08:31:41AM -0500, Felix Miata wrote: > Chris Green composed on 2024-11-04 12:36 (UTC): > > > This continues from my "Failed Debian 12 install..." thread earlier > > today. > > > I can't get the USB Installation stick to boot into the Debian > > installation process when I load it in UEFI mode. If I boot the USB > > stick in UEFI mode it just takes me to the grub prompt. > > > I suspect that this is why, when I boot from the USB stick in BIOS > > compatibility mode the resulting installation doesn't work. > > > Any ideas what I need to do to get the USB stick to boot properly in > > USB mode? > > This has never happened to me, so I can do no more than speculate why. > > How did you make that stick? If it contains Ventoy, try making a normal stick > with > only the Bookworm .iso. > It's an absolutely standard isohybrid image copied to a USB stick, no extras.
> You might try pre-partitioning the NVME in GPT mode with ESP partition > instead of > the current MBR mode. > > It may be necessary to force UEFI boot mode by using the BBS hotkey during > POST, > to get a list of devices from which to boot, and select a UEFI option matching > your USB device. It might be necessary to disable CSM for this to work. > That'a what I'm doing, the boot device selection offers me UEFI mode for the USB stick but when I use that it just dumps me at the grub prompt. > Is a BIOS update available? > Possibly, but I bet I'd need an MS-Windows system to do the update. > https://www.debian.org/releases/stable/amd64/ch03s06.en.html#boot-dev-select-x86 > contains other options for booting an ornery UEFI BIOS. (I didn't read it > through > to end before first send of this message.) > I've read through that but nothing really helps, there's no options in the BIOS to change the type of the USB device. -- Chris Green
