You can do some basic troubleshooting by accessing the various installation status screens available:
To view the installation logs, press Ctrl+Alt+F3 at any time.
To see kernel messages, press Ctrl+Alt+F4.
To access a limited BASH shell kernel, press Ctrl+Alt+F2.
To return to the main installation screen at any time, press Ctrl+Alt+F1 from text-based installations or Ctrl+Alt+F7 from the GUI.
