Screen mirroring lets you display what's on your phone, tablet, or computer onto a larger screen—like a TV or monitor. It's useful for sharing photos, watching videos on a bigger display, or giving presentations. The process varies depending on what devices you're connecting, so understanding your setup is the first step.
Screen mirroring means wirelessly sending your device's display to another screen in real time. Everything you see on your phone or computer appears on the TV or monitor simultaneously. This is different from simply casting video content (like Netflix)—mirroring shows your entire device screen, including apps, files, and notifications.
Screen mirroring relies on wireless protocols—invisible technology that lets devices communicate over your home network (Wi-Fi) or through direct connections. Your source device (the one you're mirroring from) sends video and audio signals to your receiving device (the one you're mirroring to). Both devices need to support the same technology for this to work.
Your specific mirroring experience depends on several factors:
| Method | Best For | How It Works |
|---|---|---|
| AirPlay (Apple) | iPhones, iPads, Macs to Apple TV or compatible smart TVs | Apple's proprietary standard; requires Apple devices or AirPlay-compatible TV |
| Miracast (Windows/Android) | Windows PCs and Android phones to compatible TVs or dongles | Open standard built into many devices; works over Wi-Fi Direct |
| Google Cast | Android phones, Chromebooks to Chromecast devices or compatible TVs | Google's standard; works on many smart TVs and streaming devices |
| Native TV apps | Most modern smart TVs | Many Samsung, LG, and other brands have built-in mirroring without extra devices |
Devices don't see each other: Both devices must be on the same Wi-Fi network. Restart both devices and try again. Some networks (especially public or guest networks) block mirroring—switching to your main home network often fixes this.
Connection keeps dropping: Move closer to your Wi-Fi router, reduce interference from other wireless devices, or restart your router. Older devices may struggle with distance or obstacles.
Audio works but video doesn't (or vice versa): Check your TV's input settings to ensure you've selected the correct source. Some devices require you to manually switch inputs.
Screen is laggy or delayed: This is normal for wireless mirroring—there's always a slight delay. If it's extreme, your Wi-Fi signal may be weak. Move your device closer to the router or check for interference.
One device doesn't support mirroring: Older devices or certain operating systems may lack this feature. Check your device's specs or manual. In some cases, a third-party adapter or streaming device (like a Chromecast or Roku) can bridge the gap.
Screen mirroring works best when you want to control your phone or computer from the couch while showing everything on the big screen—like looking at photos, using apps, or giving a slideshow.
Casting a specific app (Netflix, YouTube, Spotify) is sometimes easier and more efficient if that's your only goal—it uses less battery and bandwidth than full screen mirroring.
Screen mirroring is straightforward once you understand which method applies to your devices. The process is similar across platforms—connect to the same Wi-Fi, open the mirroring menu, select your device, and confirm. Most modern devices support it, though compatibility depends on the specific combination you're using. If you run into issues, restarting both devices and checking your Wi-Fi connection solves most problems. Your device manuals or manufacturer websites can confirm whether your specific model supports mirroring and which standard it uses.
