How to Cast Chromebook to Roku Without Chromecast

In the ever-evolving world of streaming technology, the ability to seamlessly cast your content from one device to another is a game-changer.

If you own both a Chromebook and a Roku but don’t have a Chromecast, fret not! We’re here to guide you through the process of casting your Chromebook to your Roku without the need for additional hardware.

This can be done using a feature known as “Screen Mirroring.” So, grab your popcorn, and let’s get started.

What is Screen Mirroring?

Screen Mirroring is a nifty feature that allows you to duplicate the display of one device onto another. In this case, we’ll be mirroring the screen of your Chromebook onto your Roku, essentially turning your Roku into a wireless display for your Chromebook.

Step 1: Ensure Compatibility

Before we dive into the nitty-gritty details, it’s essential to confirm that your devices are compatible with screen mirroring. Here’s what you need:

  • A Chromebook (running a recent version of Chrome OS).
  • A Roku device (Roku Stick, Roku Express, Roku Premiere, Roku Ultra, or Roku TV).
  • Both devices should be connected to the same Wi-Fi network.

Step 2: Enable Screen Mirroring on Your Roku

To enable screen mirroring on your Roku device, follow these steps:

  1. Turn on your Roku and make sure it’s connected to your TV.
  2. Press the Home button on your Roku remote to go to the home screen.
  3. Scroll down and select “Settings”.
  4. In the Settings menu, go to “System” and then select “Screen mirroring”.
  5. Choose the “Screen mirroring mode” option and set it to either “Prompt” or “Always allow,” depending on your preference.

Step 3: Enable Screen Mirroring on Your Chromebook

Now, it’s time to prepare your Chromebook for screen mirroring:

  1. Open the Chrome browser on your Chromebook.
  2. In the top-right corner of the browser, click on the three vertical dots to open the menu.
  3. From the menu, select “Cast”.
  4. A pop-up window will appear. Click on the dropdown menu next to “Cast to” and choose your Roku device from the list.
  5. Ensure that the “Cast tab” option is selected.
  6. Click on the “Sources” dropdown menu and choose “Cast desktop”.
  7. Finally, click on your Roku device to start casting.

Step 4: Enjoy the Show

Your Chromebook’s screen should now be mirrored on your Roku-connected TV. You can open any application, website, or media file on your Chromebook, and it will be displayed on your TV screen in real time. Enjoy your favorite content on a larger screen without the need for a Chromecast!

Frequently Asked Questions (FAQs)

Can I cast from a Windows laptop to Roku using this method?

No, this method is specific to Chrome OS devices like Chromebooks. For Windows laptops, you may need to explore other casting options, such as using the built-in “Project” feature.

Why isn’t my Chromebook detecting my Roku device for casting?

Ensure both your Chromebook and Roku are on the same Wi-Fi network. Additionally, make sure your Roku’s screen mirroring mode is set to either “Prompt” or “Always allow” in the Roku settings.

Is screen mirroring the same as casting from a mobile device to Roku?

Screen mirroring duplicates your entire device’s screen on the TV, while casting typically involves sending specific content (e.g., videos or photos) from a mobile app to your Roku.


Casting your Chromebook to your Roku without a Chromecast is not only possible but also surprisingly straightforward. With just a few simple steps, you can enjoy your Chromebook’s content on the big screen. Now you can binge-watch your favorite shows, give presentations, or share family photos with ease. Happy casting!

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