Mirroring Your Screen to a TV via Wi-Fi: A Complete Guide (2026)

Wirelessly stream your desktop to your big screen TV via Wi-Fi - a convenient way to transform Smart TV An additional monitor for presentations, games, or content viewing. However, not everyone knows that this doesn't require running wires: modern technology allows you to mirror the image from a laptop or PC to a TV without a single cable. The key is to choose the right connection method, taking into account the capabilities of your equipment and the specifics of your home network.

In this article we will look at All current methods of wireless screen mirroring, from standard protocols Miracast And AirPlay to specialized programs like Steam Link or SpaceDeskYou will learn how to set up a connection on Windows 10/11, macOS and even Linux, as well as which router parameters affect streaming stability. We'll pay special attention to common issues—image lag, connection drops, and poor picture quality—and how to fix them.

Before you start setting up, check two key points: does your TV support wireless protocols (look for information in the instructions or menu) Settings → Network), and whether the router is powerful enough to transmit the video stream. For Full HD resolution, a dual-band router with support is recommended. 802.11ac (Wi-Fi 5) or newer.

1. Miracast: a standard protocol for Windows and Android TV

Miracast — the most universal way to mirror your screen over Wi-Fi, built into Windows 8.1/10/11 and the majority Smart TV on Android TV (For example, Sony Bravia, Xiaomi Mi TV, Philips with OS Google TV). The technology operates on a point-to-point basis (Wi-Fi Direct), so it doesn't require a connection to a router—both devices need to support the protocol.

To activate Miracast on your TV, follow these steps:

• 📺 Go to the TV menu: Settings → Connections → Screen Mirroring (the name of the item may differ: LG This Screen Share, at Samsung — Smart View).
• 🔄 Turn on the connection standby mode (usually the button Start or Turn on).
• 💻 On PC with Windows click Win + K (or open Settings → System → Display → Connect to a wireless display) and select your TV from the list.

If your TV does not appear in the list, check:

• ⚡ Compatibility: Miracast doesn't work on Mac and older versions Windows 7 (requires adapter with support Wi-Fi Direct).
• 🔧 Network settings: Disable VPNs and firewalls that may be blocking the connection.
• 📶 Wi-Fi Channel: If you are using a router, switch the channel 5 GHz (less busy than 2.4 GHz).

The TV and PC support Miracast|Both devices are connected to the same network (or Wi-Fi Direct)|The PC has the latest graphics card drivers installed|Network-blocking programs (antivirus, VPN) are disabled-->

⚠️ Note: On some TVs Samsung (series QLED 2018–2020) function Screen Mirroring may require activation via app SmartThings on your smartphone. Go to the app, select your TV, and turn on the option. Screen mirroring manually.

2. AirPlay: Mirroring for Apple and compatible TV owners

If you have MacBook, iMac or iPhone, and the TV supports AirPlay (For example, LG OLED With webOS 4.0+, Samsung QLED 2020+ or Apple TV), this method will be the simplest solution. AirPlay It broadcasts your screen with minimal latency and supports sound, making it ideal for watching movies or giving presentations.

Instructions for macOS:

1. Make sure your TV and Mac are connected to the same Wi-Fi network.
2. On Mac, open System Preferences → Monitors.
3. Click on the drop-down menu AirPlay Display and select your TV.
4. Enable the option if necessary. Mirroring to duplicate the screen.

For Windows additional software will be required, for example, 5KPlayer or ApowerMirror, but the broadcast quality will be worse than with macOSAlso consider:

• 🎵 AirPlay 2 (on Apple TV 4K and new ones Smart TV) supports multi-room audio, but screen mirroring only works within the same network.
• 🔒 Some TVs (eg. Samsung) require connection confirmation via a PIN code, which is displayed on the TV screen.

3. Steam Link: For gamers and powerful PCs

If you need to not just duplicate your desktop, but broadcast it games from PC to TV with minimal delays, Steam Link — one of the best solutions. The app uses its own video compression algorithms and supports gamepads, making it ideal for Steam-games or projects launched through this platform.

How to set up Steam Link:

1. Install the application Steam Link on TV (available in Google Play Store For Android TV or App Store For Apple TV).
2. On your PC, open Steam, go to Settings → Remote Play and turn on the option Enable remote gaming control.
3. Launch Steam Link On your TV, select your PC from the list and connect the gamepad (if necessary).

Advantages of the method:

• 🎮 Gamepad support Xbox, PlayStation and others via Bluetooth.
• 🖥️ Option to broadcast only the game, not the entire desktop (mode Big Picture).
• 🔌 Low latency compared to Miracast (at Wi-Fi speed from 50 Mbps).

⚠️ Attention: For stable operation Steam Link It is recommended to connect the PC to the router via cable (Ethernet), and the TV via Wi-Fi 5 GHzIf the game is lagging, reduce the streaming resolution in the app settings or close background programs on your PC.

4. SpaceDesk: Free Second Monitor via Wi-Fi

Program SpaceDesk allows you to use the TV as second monitor For Windows, broadcasting the image over a local network. Unlike Miracast, there are no resolution restrictions (up to 4K), and the delay is minimal thanks to the optimized protocol.

Step-by-step setup:

1. Download SpaceDesk Driver on your PC from the official website and install it.
2. Install the application SpaceDesk on TV (available for Android TV And Amazon Fire TV).
3. Launch the application on your TV – it will automatically find your PC on the local network.
4. An icon will appear in the system tray on your PC. SpaceDeskClick on it and confirm the connection.

Peculiarities SpaceDesk:

• 🖱️ Support multitasking: You can extend the program window to the TV, while working on other tasks on the main monitor.
• 🔧 Flexible settings: choice of resolution, refresh rate (up to 144 Hz), video compression.
• 💰 The free version has a watermark, but it does not interfere with the work.

How to remove the delay in SpaceDesk?

To reduce lag, open the server settings on your PC (Right-click on the SpaceDesk icon → Settings) and install:

- Network Priority on High

- Frame Quality on Balanced (or Speed for games)

- Turn it off Hardware Acceleration, if artifacts are observed.

Also, close resource-intensive programs (for example, Chrome with a dozen tabs) and connect the PC to the router with a cable.

5. Problems and Solutions: Why Duplication Doesn't Work

Even with proper setup, wireless mirroring can still experience issues. Let's look at common problems and how to troubleshoot them:

Problem 1: TV does not appear in the list of devices

• 🔌 Check if the TV is in the "Off" mode. Screen Mirroring/AirPlay.
• 📡 Restart your router and both devices (sometimes resetting the network on your TV helps: Settings → Network → Reset).
• 🔄 Make sure your PC and TV are connected to the same network. If you are using Miracast In Wi-Fi Direct mode, disconnect both devices from the router.

Problem 2: The image lags or tears

• 📶 Switch to frequency 5 GHz in the router settings (less loaded than 2.4 GHz).
• 🖥️ Reduce the broadcast resolution (for example, from 4K to 1080p) in the duplication settings.
• 🚫 Close background programs that consume traffic (torrents, cloud syncs, online games).

Problem 3: No sound when dubbing

• 🔊 In Windows Check if the correct output device is selected: Right-click on the sound icon → Open sound settings → Select output device.
• 🔄 For Miracast Sometimes disconnecting and reconnecting to the TV helps.
• 📵 If you use SpaceDesk, remember: the sound is not transmitted - a separate audio solution will be required (for example, Bluetooth-column).

6. Alternative Methods: When Standard Methods Don't Work

If your TV does not support Miracast/AirPlay, and programs like Steam Link If these are not suitable, consider these options:

1. Set-top boxes and adapters

• 📦 Google Chromecast (from 3 000 ₽): broadcasts the screen through Google Chrome (function Transmit) or applications (YouTube, Netflix).
• 🖥️ Microsoft Wireless Display Adapter (from 5 000 ₽): converts any TV with HDMI V Miracast-receiver.
• 🍎 Apple TV (from 12 000 ₽): the best solution for the ecosystem Apple (supports AirPlay And 4K HDR).

2. Remote access programs

• 🌍 TeamViewer or AnyDesk: allow you to control your PC from your TV, but with a noticeable delay.
• 🎮 Moonlight (For NVIDIA GPU): Streams games from your PC to your TV with support 4K@120Hz (requires configuration) NVIDIA GameStream).

3. Wired alternatives

If Wi-Fi can't handle the load (for example, for 4K@144Hz), consider:

• 🔌 HDMI-cable: minimal delay, but limited in length (5–10 m without amplifier).
• 📡 WiGig (wireless HDMI): technology 802.11ad provides speed up to 7 Gbps, but requires special adapters (for example, Dell Wireless Dock).

7. Optimizing your router for stable streaming

The quality of screen mirroring over Wi-Fi directly depends on your router settings. The following settings will help reduce lag and dropouts:

1. Selecting a channel and frequency

• 📡 Use range 5 GHz (less susceptible to interference than 2.4 GHz).
• 🔢 Manually set the channel with the minimum load (check through the app) Wi-Fi Analyzer on a smartphone).

2. Traffic prioritization (QoS)

• 🎯 In the router settings (192.168.1.1 or 192.168.0.1) find the section QoS (or Traffic priority).
• 🖥️ Add the MAC address of your PC or TV to the list of priority devices.

3. Firmware update

Outdated router firmware can cause problems with Miracast or AirPlay. Update it through the router's web interface (section Administration → Software Update).

⚠️ Attention: On some routers (for example, TP-Link Archer C6) function QoS Disabled by default. Enable it and set bandwidth limits for other devices (such as smartphones) to free up resources for streaming.

FAQ: Frequently Asked Questions about Screen Mirroring

Is it possible to mirror a laptop's screen to a TV without a router?

Yes, if both devices support Wi-Fi Direct (in case Miracast) or Bluetooth (for some applications like ApowerMirror). For Miracast it's enough to activate Screen Mirroring on the TV and connect to it from your laptop via Win + KHowever, the connection stability will be lower than when using a router.

Why is there no sound when mirroring via Miracast?

The problem is typical for Windows and is related to audio drivers. Try:

1. Update your sound card drivers via device Manager.
2. In the sound settings (Right-click on the speaker icon → Open sound settings) select the output device marked Miracast.
3. Restart the broadcast by disconnecting and reconnecting the TV.

If the sound still does not appear, use alternative methods (for example, AirPlay or Steam Link).

How to reduce latency when streaming games?

For games, a delay of less than this is critical 50 msTo achieve it:

• Use Steam Link or Moonlight (for video cards NVIDIA).
• Connect your PC to the router via cable and your TV via Wi-Fi. 5 GHz.
• In the broadcast settings, reduce the resolution to 1080p and turn off vertical sync (V-Sync) in the game.

If the game still lags, try a wired connection. HDMI.

Is it possible to mirror the screen from Linux to TV?

Yes, but with restrictions. For Linux available:

• Scrcpy (only for Android TV, requires ADB).
• GNOME Network Displays (plugin for GNOME, supports Miracast).
• Steam Link (works through the client) Steam For Linux).

For Ubuntu can also be used SpaceDesk through Wine, but stability is not guaranteed.

How to mirror your iPhone screen to TV?

For iPhone available only AirPlayInstructions:

1. Make sure your TV and iPhone are connected to the same Wi-Fi network.
2. On iPhone, swipe down from the top-right corner (or up on models with a home button) Home) to open Control center.
3. Click Screen mirroring and select the TV from the list.

If the TV does not support AirPlay, use Apple TV or adapter Lightning-to-HDMI.