On Sep 10, 2021, at 17:32, Michael D. Setzer II <mi...@guam.net> wrote:
>
> That is what I'm trying to figure out. I'm trying to make a
> Flash that has EFI boot setup. Might be if I had a system
> setup with an EFI boot, I could place the kernel files in a
> similar process to the 40_custom on the standard grub2.
> I've tried a few options that created a flash that is seen as
> a UEFI boot flash, but putting the iso image as some use
> or the kernel and ramdisk files in places examples show,
> it boots, and I can select but get blank screens or error
> messages that don't give info. Should have documented
> all of that, but once something failed went on to try other
> options.
Give up trying to use grub2-install, it doesn’t do what you need it to do.
UEFI boots off EFI executables on a fat32 volume, you don’t need to install
special sectors on the beginning of the disk, so you don’t really need to run
fancy commands, just ‘cp’.
>>> Seen some post on Windows 11 hardware requirements,
>>> and it might soon make only secure boot a requirement
>>> for anyone.
>>
>> The UEFI spec says that on x86_64 systems you should be able to
>> disable secure boot. Dell most likely has that option, because they
>> have a lot of customers who need it. (for example, if you use nvidia
>> and CUDA, you'll need to disable secure boot or manually install your
>> own signing keys)
>
> Think Disabling the Secure boot is not an issue. Person
> has Dell 3070 machines that allow for the regular USB
> boot, but just got 140 new Dell 3080 machines, and they
> seem to have completely elimanated the option??
According to the manual:
Make sure you have USB boot enabled:
https://www.dell.com/support/manuals/en-us/optiplex-3080-desktop/optiplex3080_micro_specs/secure-boot-options?guid=guid-6f850c24-e71e-4b82-b498-c0dd48e21810&lang=en-us
Under “USB configuration.
Also, according to this:
https://www.dell.com/support/manuals/en-us/optiplex-3080-desktop/optiplex3080_micro_specs/secure-boot-options?guid=guid-6f850c24-e71e-4b82-b498-c0dd48e21810&lang=en-us
Hitting F12 will list all *valid* boot options. Most likely your boot disk
isn’t valid if you have USB boot enabled.
—
Jonathan Billings
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