On Wed, 4 Jan 2023 17:55:54 +0100, Antonio wrote in message
<9df93ce9-2acd-1537-c02f-f2958ed4ec1f@???>:

> > The drive it's booting from now is MBR-partitioned; the one I want
> > to be able to boot from is a GPT drive.
>
> Grub is able to handle GPT drives.

..yeah, but can an old bios see grub on a GBT drive?

--
..med vennlig hilsen = with Kind Regards from Arnt Karlsen
...with a number of polar bear hunters in his ancestry...
Scenarios always come in sets of three:
best case, worst case, and just in case.