You can change GRUB and add your own fonts, yes: GRUB_GFXMODE=1920x1080 GRUB_GFXPAYLOAD_LINUX=keep GRUB_FONT="/boot/grub/fonts/DejaVuSans30.pcf" but

You can change GRUB and add your own fonts, yes: GRUB_GFXMODE=1920x1080 GRUB_GFXPAYLOAD_LINUX=keep GRUB_FONT="/boot/grub/fonts/DejaVuSans30.pcf" but you can't change the framebuffer resolution: https://unix.stackexchange.com/questions/201965/setting-the-efi-framebuffers-resolution-during-boot https://unix.stackexchange.com/questions/201965/setting-the-... ..or at least if you can, no one has bothered to answer my question on how for several years.