@Robert. I have fixed this problem by adding this line to /etc/default/grub
GRUB_GFXPAYLOAD_LINUX=1024x768
and then reloaded grub by "sudo update-grub"
Now plymouth displays with an acceptable resolution.
@Robert. I have fixed this problem by adding this line to /etc/default/grub
GRUB_GFXPAYLOAD _LINUX= 1024x768
and then reloaded grub by "sudo update-grub"
Now plymouth displays with an acceptable resolution.