(In reply to comment #11)
> Are there any further tests I should try to see if it's the BIOS?
Some ideas:
* Does the popup appear in console?
* Is the popup captured in screenshots taken e.g. with the GNOME screenshot tool?
* Does the popup also appear in other operating systems?
* …
(In reply to comment #11)
> Are there any further tests I should try to see if it's the BIOS?
Some ideas:
* Does the popup appear in console?
* Is the popup captured in screenshots taken e.g. with the GNOME screenshot tool?
* Does the popup also appear in other operating systems?
* …