How to Use Your Chromebook as a Second Monitor:
Do you have it An additional Chromebook Lying around the house or your workplace? You can use it as a meshift secondary monitor for your PC. Standalone Monitors are getting expensive, So if you can’t afford one yet, read this guide to learn how to use your Chromebook as a second monitor.
ChromeOS does not have a built-in tool that lets you do this, so you will need a third-party solution. We tested a handful of (free and paid) tools but found only one reliable product – doubles performance.
Before doing anything, we should mention that Couple Performance is a paid app (cost $ 9.99). All you need to do is buy the Android app on your Chromebook (from the Google Play Store). Mac and Windows clients are free – as long as you are a paid user.
It also works wirelessly so you don’t need any cables. However, for the app to work, your device must be on the same Wi-Fi network.
Set up a couple display on a Chromebook
Launch the Play Store, find and click couple performances Install To download the application on your Chromebook.
Open the couple display, create an account (verify the account in your email, too) and click connect To link the display of your Mac or Windows PC to your Chromebook.
The app is now ready to receive visual signals from other devices connected to your Duet Air account. The next step is to set up a Duet display on your Mac or Windows computer.
Set up a duet on a Mac
To tour Couple display website And click Mac OS Button to download the application client. Install the application on your device and proceed to the next step to use your Chromebook as a second monitor.
If your Mac runs macOS Catalina (10.15) or later, you will need to provide doubles display “accessibility” and screen access. Go for system Preferences > security and privacy > Secluded > Simple use And click on the lock icon on the lower-left corner of the window.
Check Couple Provide app access to control your Mac.
Next, for screen recording access; Choose Screen recording On the sidebar and check Couple.
Although you can use a dual-display Mac client without an account, signing in to your Couple account allows for a secure and fast connection to your Chromebook. Therefore, we recommend signing in to your Couple Air account; App launch and click Sign in to remote desktop.
There is one last thing you need to do: enable screen sharing within the Couple application. Click Profile On the sidebar and check Screen sharing enabled.
You can now proceed to use the app to project or expand your Mac’s performance in your Chromebook.
Use a Chromebook as a second monitor on a Mac
Ensure that the duet has the necessary permissions to make the display work correctly. Likewise, make sure that you connect your devices to the same Wi-Fi network.
1. Launch the Couple app on your Chromebook.
2. Open the app on your Mac and go to Android Tab.
The application should automatically detect your Chromebook or other “Duet Air” devices connected to your Wi-Fi network.
3. When your Chromebook appears in the “Searched Devices” section, tap Click to connect to wireless.
If the application is not automatically detecting your Chromebook, select Connect ip manuallyEnter your Chromebook’s IP address and select connect.
You’ll get your Chromebook’s IP address Adjustment > Network > Connected network > Ip address.
4. Couple lets you mirror and extend the performance of your Mac. If your mac a Touch bar, You can easily toggle between both “Mirror Display” or “Extend Desktop” modes.
To switch the display mode on a non-touch bar Mac, go to Duet’s settings, select Adjust settings and check Mirror display.
Another way to switch the display mode is to click and select the mirroring icon on the Mac menu bar Retina display built in mirror.
To move the application or window to the Chromebook display, drag the app to the right side of your Mac’s screen. The application window will appear from the left edge of the display on your Chromebook.
If you want to modify or alternate the screen state, go system Preferences > Presents > the arrangement And drag the display (blue rectangle) to a different position. Interestingly, you can also move only the menu bar; Drag the white rectangle on the second screen at the top of the display.
Whether you are mirroring or enhancing your performance, the couple is smart enough to detect the keyboard and trackpad of your Mac or PC. You can also use the keyboard or trackpad of a Chromebook if you want.
Set couple display on windows
To tour Couple display website And download the Windows setup client. Install the application and restart your computer. Connect your PC to the same Wi-Fi network as a Chromebook and launch Duet.
Go to Wind Tab and click Sign in for remote access To add your Dual Air account.
Next, go to Profile Tab and check Screen sharing enabled.
Finally, go to Adjustment Tab and check Enable couple air.
Everything is now there to use your Chromebook as a second display for your PC.
Use Chromebook as another monitor on Windows
pay attention: Although Duet supports Windows, the app worked better and smoother on the Mac. The application sometimes crashes on our test Windows PC, especially after connecting to the Chromebook. Sometimes it does not open until we reboot our PC. From our research, some other Windows users were also unable to use the app smoothly on their devices, but some others managed to make it work without issues.
This may be due to different hardware configurations. Or maybe, a bug in the Windows client. Try the app on your Windows PC and tell us your experience.
If you have configured the app correctly, the Duet app on your Windows should immediately detect your Chromebook immediately. Otherwise, close and reopen the app, or restart your computer.
In Wind Tab, select Android Click on the sidebar and on your Chromebook. If you still can’t find your Chromebook in the list of discovered devices, click Connect ip manually And enter your Chromebook’s IP address.
Go for Adjustment > Network > Connected network > Ip address To check the IP of your Chromebook. Your PC’s desktop should appear on the Chromebook.
Important Couple Display Settings
When projecting or mirroring your display in a Chromebook, you’ll find some important configurations on the app’s settings page. Here’s what they mean and how they can affect your experience using the app:
1. Text Size: There are five text sizes to choose from. The larger the text size, the smaller the display resolution on your Chromebook.
2. Retina Display: If you check the Retina option, the pair will emulate the Retina display on your Chromebook by doubling the pixel density. While this setting will improve picture quality, it will cause the application to consume more battery power.
3. Framerate: There are two options: 60 fps And 30 fps. to select High frame rate Will provide smooth motion, but at the cost of your device’s battery.
4. Quality: Couple also gives you the freedom to choose your preferred signal transmission quality. High Quality provides the best experience with fewer digital artifacts. On Regular Quality, texts and images will expand more. Also, the app will consume less battery.
When you change any of these settings, the Duet app automatically adjusts the display of your Chromebook. For the best experience, we recommend the highest settings available. However, make sure that you plug your devices into a power source while using the app.
flip the switch
You can also use the Duet app to wirelessly project the screen of your Chromebook to a Mac or Windows PC. Connect the devices to the same Wi-Fi network and launch the Duet display. Your Mac or Windows PC on your Chromebook should appear on the dashboard of the app; Choose Mirror or Increase Accordingly for your screen project.
If you have any questions, leave a comment or visit Couple Performance Support Center for help.