So I did a little reading about journalctl (of which I frankly still know very little). I was able to figure out how to capture the logs since I attempted booting into the USB drive. It was around 15:25 that it happened so I captured the logs with:
Code:
journalctl --since "2020-03-22 15:20:00" &> log
I'm a relatively new and inexperienced user, so don't expect this kind of magic from me again (assuming, of course, that I actually got something useful to begin with).
I guess the logs are too long to attach (and I don't know if it's worthwhile pasting the contents here). If it helps, the first instance I can find of Ubuntu is: "Mar 22 15:28:50 localhost.localdomain udisksd[816]: Mounted /dev/sda1 at /run/media/glenbanks/Ubuntu 18.04.4 LTS amd64 on behalf of uid 1000".
Not sure if that means anything, but can we assume that it didn't try booting into the device (only mounting it after Fedora started)?
Also worth noting, I've tried putting the USB stick in another computer, and it works to boot from it just fine.
Thank you for your help.
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