Filesystem check

[To-M]

Go to the Console screen and enter CTRL ALT X then select the function to run the "Repair filesystem" and wait till it is done then reboot.

[aaragao]

The problem is that is saying that attempts to check a mounted system and fails.

Go to the Console screen and enter CTRL ALT X then select the function to run the "Repair filesystem" and wait till it is done then reboot.

[To-M]

Any chance that you can add a drive and mount it or can you see the other volume in the Extended tools from the console and select the first option to > Select Default volume group. Then reboot and run the repair.