Once logged into Canvas. You will click the Courses button. Then select All Courses.
After you have made it to the Courses, you will see all of your courses and blank stars next to them
Every star that is blank will not show up on your dashboard. If you want them to show on the dashboard all you have to do is click the star and it will turn gold. Every star that is gold will show up on your dashboard.
That's all there is to it.