Miracast is a streaming protocol that lets users mirror content from their Android mobile devices or Windows PCs to their TV screens. Unfortunately, Miracast-compatible receivers can be fickle. We've had the best results with the $70 Actiontec ScreenBeam Pro Wireless Display Receiver.
While every Miracast device functions a little differently, these are the basic steps you need to take.
1. Check to make sure your devices are Miracast-compatible. Although many Android phones and Windows 8.1 PCs support Miracast, not all of them do.The Wi-Fi Alliance website maintains a comprehensive list of compatible devices, although that list does not account for Miracast-compatible technologies like Samsung's AllCast Share.
To check whether your Android device is compatible with Miracast, swipe down from the top of the device's screen and click the icon in the upper right corner (the icon will vary depending on the brand of your device). Check for an icon labeled Screen Mirroring, or open Display and check for a Wireless Display or Wireless Mirroring option. If your phone or tablet has either one of these, you can use Miracast.
2. Connect your Miracast receiver to your TV. Most Miracast receivers plug into a TV's HDMI port and are ready to receive as soon as they turn on. If your Miracast device is also a fully functional set-top box or smart TV, you'll need to activate it first by accessing the settings menu and following its wireless display instructions.
From here, the instructions differ depending on whether you are streaming from an Android device or a Windows 8.1 PC.
For Android devices
3. Open the settings menu. Access your settings menu by swiping down from the top of the screen and tapping on a gear icon.
4. Access your display settings. On some devices, a screen-mirroring option will be one of the main choices in the settings menu. Other devices require users to open the display menu, then select "cast screen."
5. Select your Miracast receiver. You'll see a list of available devices.
Tap on the receiver you want to use, and your TV will start to mirror the content on your Android device.
6. Disconnect when you've finished. Miracast can be hard on a device's battery, so be sure to break the connection once you're done mirroring. Access your phone or tablet's screen-mirroring menu the same way you did before, then tap on the receiver and select disconnect.
For Windows 8.1
3. Open the settings menu. Go to the Windows home screen (the screen with all the tiles). If your computer has a touch screen, swipe right. Otherwise, hover your mouse at the minus symbol at the bottom left corner of the screen. Either way, you should next click on Settings.
4. Select Project. This will open a menu that allows you to connect to other monitors.
5. Choose "Add a wireless display." Your computer will automatically search for nearby displays.
6. Click on the desired display. Screen mirroring will begin, and your content will show up on your TV.
7. Disconnect when you've finished. When you're done casting your content, just access the Project menu again and choose Disconnect.
Miracast is only one possible method of screen mirroring. Android owners may want to investigate Google Chromecast's Screen Cast option, while iOS and Mac OS X users can check out AirPlay on Apple TV.
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