Ubuntu fails to boot at stage
a start job is running for dev-disk-by x2duuid...
To resolve, open a terminal (live media or recovery option)
- By fixing UUID
- Type the following
blkid
and note the UUID field of the linux partition and EFI partition
- Put the correct UUID in fstab
nano /etc/fstab
Enter the correct UUIDs
- By removing UUIDs
- Type the following
blkid
and note the mount point (/dev/sdaX) field of the linux partition and EFI partition
- Remove UUIDs in fstab
nano /etc/fstab
Remove the UUID and put the mount point. Example:
Before
UUID=0bf61cd4-2121-4850-a140-13aee96fa632 / ext4 errors=remount-ro 0 1
UUID=DE47-AF92 /boot/efi vfat umask=0077 0 1
After
#Comment out the UUIDs
#UUID=0bf61cd4-2121-4850-a140-13aee96fa632 / ext4 errors=remount-ro 0 1
/dev/sda5 / ext4 errors=remount-ro 0 1
#UUID=DE47-AF92 /boot/efi vfat umask=0077 0 1
/dev/sda1 /boot/efi vfat umask=0077 0 1