格式化efi后,再次修复。


sudo mount /dev/sdb9  /mnt
sudo mount /dev/sda2  /mnt/boot/efi
for i in /dev /dev/pts /proc /sys /run; do sudo mount -B $i /mnt$i; done
sudo chroot /mnt
grub-install /dev/sda
update-grub

sed -e  's/nomodset//g' -i /boot/grub/grub.cfg

sudo vi /etc/fstab #修改efi的uuid

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转载自blog.csdn.net/durongze/article/details/132817676