1. To see supported resolutions by your monitor press
C whilst in GRUB and enter
vbeinfo
Important
Step 2 and 3 must be perfomed as root!
2. Edit
/etc/default/grub and add after line
#GRUB_GFXMODE=640x480 (for better readability)
Note
Here use your supported resolution obtained in step 1GRUB_GFXPAYLOAD_LINUX=1280x1024-32
3.echo "FRAMEBUFFER=y" | sudo tee -a /etc/initramfs-tools/conf.d/splash
update-initramfs -u -k all
update-grub
4. Reboot