In order to display webpages from one computer to two separate TVs, you will first need to have one Chromecast device set up on each TV. Next, you will need to change the Chrome settings on the computer from which you will be casting. Open a Chrome browser, then click on the Customize and Control button in the upper right-hand corner. This button looks like three thick horizontal bars:
From here, select Settings, then scroll down on the settings page until you see the People section. Click on Add person:
Select a picture and a name for your Person 2 or leave these as a default. Decide if you would like a shortcut for this user on the desktop (this may be the easiest way to access the second person in the future when casting to multiple devices). Once you have decided on your settings, click Add:
Upon clicking Add, a second Chrome browser window will open as Person Two. You will need to install the Google Cast extension to this account as well. The Google Cast extension can be found HERE.
Once you have the Google Cast extension installed for each Person on Chrome, you can begin casting to the two devices separately. While in the Person 1 window, Open the webpage you wish to cast on the first TV, then click on the Google Cast icon in the upper right-hand corner of Chrome:
Select the Chromecast device where you would like to display the current webpage. Next open a new window in Chrome.
NOTE: You will need to open a new window, not just a new tab.
You can either do this by clicking on the Customize and Control button and selecting New window, or by right clicking on the Chrome icon in your task bar and selecting New window from the list that pops up there.
When you have the second window open, make sure that this window is under Person 2. You can switch between Person profiles by clicking on the label in the top right corner of the window.
When your second Chrome window has been switched to Person 2, navigate to the webpage you wish to cast on the second TV then click on the Google Cast icon and select the second Chromecast device.
Still have questions? You can find a video explanation of how to do this, HERE.