On 24.04 with NVIDIA GTX 3060 and Samsung 5120 X 1440 monitor, running libnvidia 535.171.04-0ubuntu2
Following Per Overgaard's excellent instructive, the
> GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash initcall_blacklist=simpledrm_platform_driver_init”
solution works for me to eliminate the "ghost monitor".
On 24.04 with NVIDIA GTX 3060 and Samsung 5120 X 1440 monitor, running libnvidia 535.171.04-0ubuntu2
Following Per Overgaard's excellent instructive, the
> GRUB_CMDLINE_ LINUX_DEFAULT= ”quiet splash initcall_ blacklist= simpledrm_ platform_ driver_ init”
solution works for me to eliminate the "ghost monitor".