не загружается linux mint

mint@mint ~ $ sudo fdisk -l

WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.


Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x09de09dd

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1  1953525167   976762583+  ee  GPT
Partition 1 does not start on physical sector boundary.
mint@mint ~ $ sudo mount /dev/sda1 /mnt
mount: /dev/sda1 already mounted or /mnt busy
mount: according to mtab, /dev/sda1 is already mounted on /mnt
mint@mint ~ $ sudo grub-install --root-directory=/mnt/ /dev/sda1
grub-probe: error: failed to get canonical path of `/cow'.
Installing for i386-pc platform.
grub-install.real: warning: File system `fat' doesn't support embedding.
grub-install.real: warning: Embedding is not possible.  GRUB can only be installed in this setup by using blocklists.  However, blocklists are UNRELIABLE and their use is discouraged..
grub-install.real: error: will not proceed with blocklists.
mint@mint ~ $ sudo grub-install --root-directory=/mnt/ /dev/sda
grub-probe: error: failed to get canonical path of `/cow'.
Installing for i386-pc platform.
grub-install.real: warning: this GPT partition label contains no BIOS Boot Partition; embedding won't be possible.
grub-install.real: warning: Embedding is not possible.  GRUB can only be installed in this setup by using blocklists.  However, blocklists are UNRELIABLE and their use is discouraged..
grub-install.real: error: will not proceed with blocklists.
mint@mint ~ $ 

sudo fdisk -l
sudo mount /dev/sda1 /mnt
sudo grub-install --root-directory=/mnt/ /dev/sda1

grub-probe: error: failed to get canonical path of `/cow'.
Installing for i386-pc platform.
grub-install.real: warning: this GPT partition label contains no BIOS Boot Partition; embedding won't be possible.
grub-install.real: warning: Embedding is not possible.  GRUB can only be installed in this setup by using blocklists.  However, blocklists are UNRELIABLE and their use is discouraged..
grub-install.real: error: will not proceed with blocklists.

mount --bind /proc /mnt/proc
mount --bind /dev /mnt/dev
mount --bind /sys /mnt/sys
chroot /mnt
grub-install /sd#
update-grub

mint@mint ~ $ sudo mount --bind /proc /mnt/proc
mount: mount point /mnt/proc does not exist
mint@mint ~ $