Problem Description:

Previously, Ubuntu needed to be updated, but it was considered to be interrupted in the middle of the update, or it was easy to open and crash later, which was described in the title

When Ubuntu starts, not syncing: VFS: unable to mount root appears

The solution is as follows:

1. After boot, do not directly enter the boot option of Ubuntu, select advanced mode,

2. Then select recovery mode,

3. Select resume resume normal boot

4. After entering the system, open the terminal and input

sudo apt-get autoremove –purge

After running, update grub

sudo update-grub

Done!