Question

No root file system is defined as ___________.

Answer 1

The error is because you did not assign any filesystem to be mounted in the root directory ( / )

Answer 2

No root file system defined as error, which is common when installing ubuntu alongside windows 7 or above.

This generally happen because the user do not assign any file system to be mounted in the root directory.

This error can be fixed by selecting the partition to install the ubuntu.