He uses some interesting tricks with WINE to get enough performance to play a DVD on the remote display. Yes, the cheapest way is to turn it into a remote desktop display over a network.

Click the "View features" button in the "Add an optional feature" setting. Click the Add button. Once you complete the steps, ...

Click the Add button. Once you complete the steps, you can proceed with the steps to extend your computer's desktop to your laptop's screen. If the page reads, "This device doesn't support ...

The use of two or more monitors on a computer. Desktop computers are always capable of extended desktop mode, but require additional hardware (see dual monitor). However, the term often refers to ...