This article applies to version 37 and higher
The screen casting feature on Firefox now lets you send videos or web pages to your streaming player so you can view them on a second screen, like your TV!
Enable this feature
This feature is disabled by default on new releases of Firefox. To enable it, follow these steps:
- Type about:config into your address bar.
- Search for the browser.casting.enabled preference.
- Double-click on this preference so its value changes to true.
- Restart Firefox.
Set up Firefox on your Roku for the first time: Before you begin, add the Firefox channel to your channel list (click here for more instructions). You'll only have to do this step once. Once you've added it, you're ready to move on to the following instructions and start watching!
Send videos to your Roku
- Make sure that your Roku is on the same WiFi network as your computer.
- Launch Firefox on your computer, then go to a website with video formats that Roku supports. If you have Adobe Flash Player enabled on your device, disable or uninstall it through your Android Settings menu to prevent it from overriding the supported formats.
- Right-click on a video and tap .
- Choose from the list of devices.
View websites on your TV
If you're giving a presentation or simply want to view a web page on a bigger screen, use the tab mirroring feature to view Firefox on your TV.
- Make sure that your Roku is on the same WiFi network as your computer.
- Open the page you want to mirror on your screen.
- Go to the menu at the top, and click on .
- Choose from the list of devices.
