Enable grub from live USB on a 1600×900

https://askubuntu.com/questions/1449413/sudo-unable-to-allocate-pty-no-such-device

sudo nano /media/mint/b4fe285c-8acb-40dd-88cb-b652410615b4/etc/default/grub

#sudo fdisk -l
sudo mount /dev/sda1 /mnt/
sudo mount --bind /proc/ /mnt/proc/
sudo mount --bind /sys/ /mnt/sys/
sudo mount --rbind /dev/ /mnt/dev/
#sudo cp /etc/resolv.conf /mnt/etc/resolv.conf
sudo chroot /mnt/
sudo update-grub

In the grub menu edit and replace quiet splash by nomodeset