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Re: Unable to boot UEFI laptop from Debian 11 Live USB stick

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On Mon, Feb 07, 2022 at 08:47:16PM -0600, Flacusbigotis wrote:
> I have followed Debian's instructions (
> https://wiki.debian.org/DebianInstall#Creating_a_Bootable_Debian_USB_Flashdrive)
> for creating a bootable USB stick but it fails to boot on my UEFI laptop.
> In contrast, I am able to create the same for Knoppix 9.1 following their
> instructions. So not sure why the debian one doesn't work.
> 
> The debian instructions basically say to do a normal cp of the hybrid iso
> unto the raw USB device as follows (assume USB stick is on /dev/sdf):
> 
> cp  debian11_hybrid.iso  /dev/sdf
> 
> However, although the USB stick ends up with the 2 corresponding
> partitions, and I can mount/see the content of those, my laptop refuses to
> recognize the USB stick during boot and so it won't boot off it.
> 
> I have tried the Debian 10 and Debian 11 hybrid images on 2 different USB
> sticks and I get the same result.
> 
> According to [this](https://wiki.debian.org/UEFI#UEFI_support_in_live_images)
> page the debian live images should boot on UEFI-based systems when USB
> sticks are prepared as described above...
> 
> I have inspected the boot options of the laptop in is setup screen, with
> the USB stick plugged-in, but the USB stick is not listed as a possible
> target.
> 
> BTW, in that laptop setup screen I see a note that says that Legacy Boot
> mode is not supported on the laptop.

What model of laptop? What's the processor?

I ask because I had a similar issue the other day with an old Intel Baytrail
notebook where the UEFI is 32 bit and the processor is 64 bit - using a
Debian multi-arch installer worked. I used the one with firmware.

Happy to help on a reply

All the very best, as ever,

Andy Cater

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Thread

Unable to boot UEFI laptop from Debian 11 Live USB stick Flacusbigotis <flacusbigotis@gmail.com> - 2022-02-08 03:50 +0100
  Re: Unable to boot UEFI laptop from Debian 11 Live USB stick "Thomas Schmitt" <scdbackup@gmx.net> - 2022-02-08 09:00 +0100
  Re: Unable to boot UEFI laptop from Debian 11 Live USB stick "Andrew M.A. Cater" <amacater@einval.com> - 2022-02-08 11:30 +0100
    Re: Unable to boot UEFI laptop from Debian 11 Live USB stick "Thomas Schmitt" <scdbackup@gmx.net> - 2022-02-08 12:20 +0100
      Re: Unable to boot UEFI laptop from Debian 11 Live USB stick Flacusbigotis <flacusbigotis@gmail.com> - 2022-02-11 02:50 +0100
        Re: Unable to boot UEFI laptop from Debian 11 Live USB stick "Thomas Schmitt" <scdbackup@gmx.net> - 2022-02-11 08:30 +0100
        Re: Unable to boot UEFI laptop from Debian 11 Live USB stick "Andrew M.A. Cater" <amacater@einval.com> - 2022-02-11 18:20 +0100
          Re: Unable to boot UEFI laptop from Debian 11 Live USB stick Flacusbigotis <flacusbigotis@gmail.com> - 2022-02-11 23:00 +0100

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