Re: Trouble making bootable USB from ISO image

[Pascal Hambourg <pascal@plouf.fr.eu.org>]

Le 04/05/2019 à 11:21, deloptes a écrit :
> Thomas Schmitt wrote:
>
> > (A new thread would keep this one on topic.)

I agree.

> Perhaps I should start another thread, but it is somehow in the context of
> this, because I was trying to setup UEFI bootable USB.

No, it is a completely different topic.

> answers I found were pointing to the fact that you can not do grub
> update/install of UEFI if you are not booted into UEFI.

Short answer : this assertion is wrong.
Long answer : I will gladly develop if you start a new thread.