Cast to Desktop
1) on your desktop computer open chrome and search for "cast for education" this is and extention that acts as a reciever for Chromebooks to connect to.
2) once downloaded you name your computer "Annette's Desktop"
Answer the other questions
I dont think you have to list yourself in "who can cast section"
3) go to your chromebook and open Chrome
4) click on the three dots in the top right hand corner
5) click CAST
That's it, When you are done you can click the three Dots and then click CAST and STOP.