These steps will walk you through the CD installation of Ubuntu 17.04. They are what I suggest you use each time you are presented with a choice.
Click on "Install Ubuntu"
Check both options.
Click on "Continue"
Select "Erase disk and install Ubuntu" ...
Select "Use LVM with new Ubuntu install" ...
Click on "Continue"
Select your location (Los Angeles?)
Click on "Continue"
Select you keyboard (English).
Click on "Continue"
Fill in your information
Click on "Continue"
Remember to remove the CD.