Is anyone dual-booting both an older & newer Ubuntu version on a machine with nVidia graphics?

[Grizzly]

Sunday, November 19, 2023  at 16:27, Liam Proven wrote:
Is anyone dual-booting both an olde (at least in part)

>I have 2 Thinkpads which both dual boot Win10 and Ubuntu 22.04. On
>both, because I have the space, I have a 2nd copy of my Ubuntu root
>partition; they're labelled "ubuntu_root" and "ubuntu_spare". I also
>have /home and swap.

Not sure it will help you (it's an older nVidia driver) but

I boot Win7, 22.04.3 Jammy Unity & 23.10 Mantic Unity (soon to be 23.10.1 time 
permiting) each has it's own disk

Dell E5300 2.6Ghz Duel Core
nVidia Geforce 8300GS (there is an Intel i915 also but it's not used)

>They boot in legacy BIOS mode.

Also boot legacy BIOS