This seems like an issue with NVIDIA's legacy BIOS VESA ROM. Perhaps try
UEFI boot, which is likely less buggy on modern VGA cards.
I doubt we will be able to do much unless someone with affected hardware
can submit a patch.
** Changed in: grub2 (Ubuntu)
Status: Confirmed => Won't Fix
--
I'm also affected by this. But in my case the display shows "unconnected
cable". If the display is turned off at GRUB load everything goes fine.
If the display is turned on, GRUB seems to be stucked
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: grub2 (Ubuntu)
Status: New => Confirmed
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1853735
Title:
I did some research. In fact GRUB2 is unable to load under these
conditions:
* booting with BIOS (not UEFI)
* Nvidia graphics adapter
* usage of display port
The failure to boot is only observed with GRUB not when Windows boots
directly.
I guess the graphics adapter is probed at the start of
** Description changed:
I observed a very strange behaviour and have not found a solution so
far:
Legacy BIOS
GRUB2 (2.02-2ubuntu8.13)
Nvidia Quadro K420
ASUS PB27U 4k monitor connected via display port
The monitor allows to select DP1.1 (30Hz@4k) and DP1.2 (60Hz@4k) via
