How to Mirror Your Desktop to Your TV via Wi-Fi: A Complete Guide with Settings

Wirelessly streaming images from your computer to your TV via Wi-Fi is a convenient way to turn a large screen into a monitor for working, gaming, or watching content without the hassle of cables. However, not everyone knows that streaming quality depends not only on internet speed, but also on the selected protocol, router settings, and even the TV model. In this article, we'll explore this. 5 working methods Display your desktop on TV via Wi-Fi - from built-in Windows and macOS features to specialized applications like Steam Link or Moonlight.

It's important to understand that not every TV supports all methods. For example, Miracast Only works on devices with Wi-Fi Direct, A AirPlay available exclusively on Apple TV or TV with firmware tvOSWe'll cover hardware requirements, step-by-step setup, and common errors that can interfere with stable streaming. If your TV was released before 2018, check its specifications—you might need an external adapter like Google Chromecast or Amazon Fire Stick.

Before you begin, make sure that:

• 📶 Does your router support dual-band Wi-Fi (2.4 GHz + 5 GHz) - this is critical for minimal latency.
• 🖥️ The computer and TV are connected to one network (not via guest Wi-Fi or mobile hotspot).
• 🔄 The TV is in the "Sleep" mode Screen Mirroring (may be called Wi-Fi Display or Smart View).

1. Miracast: Built-in wireless streaming for Windows

Miracast — a wireless screen sharing standard supported by most modern TVs (Samsung, LG, Sony Bravia) and Windows 10/11. It does not require the Internet, as it uses Wi-Fi Direct For direct connection between devices. The main advantage is minimal latency (up to 30 ms), which is important for gaming or presentations.

To activate Miracast:

1. On your TV: Open the menu Sources (or Input) → select Screen Mirroring (at Samsung it could be Smart View, at LG — LG Screen Share).
2. On PC: Click Win + K → in the panel Connect Select the name of your TV.
3. Confirm the connection on both devices.

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

• 🔧 Is it enabled? Wi-Fi Direct in the TV settings (sometimes hidden in Network → Advanced).
• 🖥️ Does your PC support it? Miracast: enter in the command line dxdiag, go to the tab Save All Information and find the line Miracast: Available.
• 📡 Is there any interference from other devices on the 5 GHz frequency (microwaves, wireless headphones).

Make sure your TV and PC support Wi-Fi 5 (802.11ac) or later|

Disable VPNs and firewalls (they may be blocking the connection)|

Reboot your router if you had connection issues before|

Update your graphics card drivers (especially for Intel UHD Graphics)

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⚠️ Attention: On some TVs Samsung 2019–2020 Miracast works only after disabling the function Instant On (fast startup) in the power settings. This is due to the firmware's power-saving features.

2. AirPlay: Stream from your Mac or iPhone to Apple TV

If you have devices Apple, That AirPlay — the most reliable way to display your screen on a TV. It supports video transmission in resolutions up to 4K HDR and sound Dolby Atmos, but requires Apple TV (4th generation or newer) or a TV with built-in support AirPlay 2 (For example, LG OLED C2, Sony X90J).

Instructions for macOS:

1. Make sure that Mac And Apple TV connected to the same Wi-Fi network.
2. In the menu bar Mac click on the icon Screen control (or Control Center → Screen mirror).
3. Choose yours Apple TV from the list.
4. If required, enter the confirmation code that appears on the TV screen.

For Windows third-party software will be required, for example 5KPlayer or ApowerMirror, but the quality will be worse than with Mac. Also AirPlay allows you to broadcast just the screen, and not separate windows (unlike Miracast).

⚠️ Attention: When broadcasting via AirPlay on Apple TV first generation (2015) can be observed audio clipping in games or high frame rate (120 FPS) videosThis is due to the limitations of the chip. Apple A8.

3. Steam Link: Broadcasting for Gamers

If you need minimal delay for games, Steam Link — one of the best solutions. The app is free and works on most Smart TV (through Google Play Store or App Store), as well as on Raspberry PiUnlike Miracast, it is optimized for PC game streaming, supporting resolutions up to 4K@60fps and controllers Xbox/PlayStation.

Setting:

1. Install Steam on PC and Steam Link on TV.
2. In the settings Steam go to Settings → Remote Play and turn it on Enable Remote Play.
3. Launch it on your TV Steam Link, select your PC from the list and connect the controller (or use the virtual keyboard).

For better quality:

• 🎮 In the settings Steam Link select Priority to quality (if you play on a local network).
• 📡 Connect your PC to the router via cable Ethernet - this will reduce lags.
• 🔧 Set the bitrate in manual settings 20–30 Mbps (more is not always better, artifacts may appear).

4. Moonlight: Steam Link alternative for NVIDIA

Moonlight — open source software for streaming games from PC to TV using technology NVIDIA GameStreamIt only works with video cards. NVIDIA (series GTX 6xx and newer) and requires configuration on the PC side, but provides delay up to 10 ms - better than Steam Link.

How to set up:

1. On PC: install GeForce Experience, turn on GameStream in the settings (Settings → Shield).
2. Add games manually via Add a game (if they are not detected automatically).
3. On TV: Install Moonlight (available for Android TV, Samsung Tizen, LG webOS).
4. Connect to your PC by entering its IP address (can be found via ipconfig (in the command line).

Moonlight supports:

• 🎮 Controllers Xbox, PlayStation, Nintendo Switch Pro.
• 🖥️ Resolution up to 4K@120fps (if available) NVIDIA RTX 30/40 series).
• 🔊 Sound 5.1 And 7.1 (if the TV supports it).

⚠️ Attention: On TVs Samsung With Tizen version Moonlight from the official store may not support sound DTSIn this case, install the APK version from official website.

5. Built-in Smart TV features: Samsung DeX, LG Screen Share

Many Smart TV have their own wireless broadcasting solutions. For example:

• 📺 Samsung DeX: Transforms your phone or PC screen into a desktop (available on TV) Samsung 2018 and newer). Supports multitasking and Bluetooth mouse/keyboard connection.
• 📺 LG Screen Share: analogue Miracast, but with support for broadcasting from Android/iOS (requires app) LG TV Plus).
• 📺 Sony Screen Mirroring: works according to the protocol Miracast, but with improved optimization for Bravia (less lag when watching videos).

Example of setup Samsung DeX:

1. On TV: Source → DeX.
2. On a smartphone Samsung: Pull down the notification shade → DeX → Wireless DeX.
3. Select a TV from the list.

Restrictions:

• 🚫 Samsung DeX does not support broadcasting from Windows/Mac — only from phones Samsung.
• 🚫 On LG TV until 2020 LG Screen Share may "slow down" at higher resolutions 1080p.

How to speed up broadcasting on old TVs?

On TVs Samsung 2016–2018 in settings General → Accessibility → Performance settings you can turn on the mode GameThis disables image post-processing and reduces latency by 15–20 ms.

6. Problems and solutions: why the broadcast doesn't work

If your screen is not displayed or your stream is interrupted, please check:

If nothing helps:

• 🔄 Reboot your router and disable the function on it Band Steering (it can interfere Miracast).
• 🛠️ Update your TV's firmware (on Samsung this is done through Settings → Support → Software Update).
• 📱 For Android-devices try the app ApowerMirror - it often works where the built-in one fails Miracast.

FAQ: Frequently Asked Questions

Is it possible to stream my PC screen to a TV without Wi-Fi?

Yes, if your TV supports it. Wi-Fi Direct (For example, Miracast). In this case, the devices are connected directly, without a router. You can also use HDMI cable or adapters USB-C → HDMI (for laptops).

Why does the game lag when streaming via Steam Link, but YouTube videos don't?

It's all about bitrate: games require constant data transfer rate (30–50 Mbps), while internet video is buffered. Check your PC's CPU load (in Task Manager) - If Steam It loads at 100%, please lower the broadcast resolution to 1280×720.

How to mirror your Mac's screen to a TV without Apple TV?

Options:

1. Use AirServer or Reflector on Android TV (emulates Apple TV).
2. Connect Google Chromecast and broadcast via Google Chrome (in the browser menu Broadcast → Broadcast Tab).
3. Suitable for games Moonlight (required) NVIDIA on PC).

What is the minimum Wi-Fi speed required to stream in 4K?

For stable broadcasting 4K@30fps required 25–30 Mbps, For 4K@60fps — 45–50 Mbps. This real speed between devices, not the one shown by the internet speed test. Check it through iPerf3 (utility for testing local network).

Is it possible to control a computer from a TV (with a mouse and keyboard)?

Yes, but not in all protocols:

• 🖱️ Steam Link And Moonlight support full controls (including keyboard and gamepad).
• 🖱️ Miracast And AirPlay Usually they only transmit a picture - a separate device is needed for control Bluetooth-gamepad or an app like that Unified Remote.