How to connect a laptop to a Smart TV via Wi-Fi: A step-by-step guide for beginners

Do you want to display a movie from your laptop on a big TV screen, but are confused by the settings? Or do you need to show a presentation to colleagues, but don't have an HDMI cable handy? Connecting your laptop to Smart TV via Wi-Fi solves these problems without unnecessary wires. In this article, we'll explore all wireless streaming methods—from standard Windows features to proprietary technologies. Samsung DeX And LG Screen Share.

The main advantage of a Wi-Fi connection is freedom of movement. You can sit on the couch with your laptop, and the image will be streamed to your TV in real time. However, there are some caveats: not all TVs support wireless projection, and older models may require additional adapters. We'll show you how to check the compatibility of your devices and set up a connection in 5 minutes.

The instructions are suitable for any combination:

• 💻 Laptops on Windows 10/11, macOS (including new ones) MacBook Air/Pro with M1/M2 chips)
• 📺 Televisions Samsung (QLED, Crystal UHD series), LG (OLED, NanoCell), Sony Bravia, Xiaomi Mi TV, Philips with Android TV
• 🔄 Routers with support Wi-Fi 5 (802.11ac) or Wi-Fi 6 (for minimal delays)

1. Checking the compatibility of your laptop and Smart TV

Before you begin setup, make sure your devices support wireless streaming. Modern TVs (released after 2018) typically have built-in modules. Miracast or Google Cast, but there are exceptions.

To test on TV:

• 🔍 Go to Settings → Network → Wi-Fi Direct or Screen → Wireless Projection
• 📋 Look for mentions of technologies: Screen Mirroring, Smart View, AirPlay (For Apple TV)
• ⚠️ On TVs Samsung may be required until 2016 Wi-Fi adapter (For example, Samsung WIS09ABGN)

On a laptop with Windows check support Miracast:

1. Click Win + R, enter dxdiag, then press Enter
2. In the window DirectX Diagnostic Tool go to the tab Save all information
3. Find the line Miracast: Available (if written Not supported, update your video card drivers)

⚠️ Attention: Televisions Sony Bravia 2017–2019 models may require a firmware update for stable operation. MiracastCheck the current software version in the menu. Settings → Support → Software Update.

How do I find out my TV model?

The model is usually indicated on a sticker on the back of the case (for example, Samsung UE55TU8000U or LG OLED55C1RLA). You can also find it in the TV menu:

1. Open Settings → Support → Product Information
2. Write down the full model name - it will be useful when searching for instructions.

2. Preparing a Wi-Fi network for a stable connection

Streaming quality depends on the speed and stability of your Wi-Fi network. To stream video in Full HD (1080p) a speed of at least is required 15 Mbps, and for 4K — from 25 MbpsIf the router is in another room, the signal may drop.

To avoid delays and connection drops:

• 📶 Switch your router to a different range 5 GHz (less busy than 2.4 GHz)
• 🔄 Reboot your router before connecting (unplug it for 30 seconds)
• 🚫 Disconnect other devices from the network (smartphones, tablets) to free up the channel

3. Method 1: Wireless projection via Miracast (Windows)

Miracast — a wireless broadcast standard built into Windows 10/11. It works without any additional software, but requires support from the TV. Most Smart TV on Android TV or webOS compatible with this technology.

Step-by-step instructions:

1. Activate the mode on your TV Screen Mirroring (on Samsung — Smart View, on LG — Screen Share).
2. On a laptop, press Win + K (or open Settings → System → Project to this PC).
3. From the list of available devices, select the name of your TV (for example, LG OLED TV (192.168.1.10)).
4. Confirm the connection on your TV (you may be asked to enter a PIN code).

If the laptop does not see the TV:

• 🔄 Restart both devices
• 🔧 Update your Wi-Fi adapter drivers via device Manager
• 📡 Check that the TV and laptop are connected one Wi-Fi network

The laptop and TV are on the same Wi-Fi network. Screen Mirroring is enabled on the TV. The Wi-Fi adapter drivers are updated. VPN and proxy are disabled on the laptop.

-->

⚠️ Attention: On some laptops with Intel Wi-Fi 6 (AX200, AX201) an error may occur Your PC or mobile device does not support Miracast.Solution: Disable it. Bluetooth V Device Manager at the time of connection.

4. Method 2: Google Cast (for Android TV and Chrome)

If you have a TV on Android TV (For example, Sony Bravia, Xiaomi Mi TV, Philips), it is easiest to use Google CastThis technology allows you to broadcast not only the screen, but also individual browser tabs. Chrome or video with YouTube.

How to set up:

1. Make sure your TV and laptop are connected to the same Wi-Fi network.
2. On your TV, open the app Google Home (if it is not there, install it from Play Market).
3. Install the extension on your laptop Google Cast for Chrome (if you use a browser).
4. In the upper right corner of Chrome, click on the icon Broadcast (📡) and select your TV.

Advantages Google Cast:

• 🎥 You can only stream videos from YouTube or Netflixwithout duplicating the entire screen
• 🔊 Sound is transmitted automatically
• 📱 You can control playback from your phone via the app Google Home

Restrictions:

• ❌ Does not support streaming protected content (for example, movies from Kinopoisk HD or IVI)
• ❌ There may be delays when watching games or dynamic videos

5. Method 3: Proprietary technologies (Samsung DeX, LG Screen Share, AirPlay)

TV manufacturers are developing their own wireless connectivity solutions. These are often more stable than universal protocols, but require devices within the same ecosystem.

For Samsung TVs (DeX):

• 📱 Supports connection Galaxy-smartphones and laptops with Windows 10/11 (via app) Samsung DeX)
• 🖥️ Allows you to use your TV as a second monitor with support multitasking
• ⚡ Requires a TV no older than 2019 (QLED, The Frame, Crystal UHD series)

For LG TVs (Screen Share):

• 🎮 Optimized for game streaming (minimal latency)
• 🔧 Works only with laptops Windows 10/11 (macOS not supported)
• 📎 To activate, you need to click Home → Screen Share on the remote control LG

For Apple TV (AirPlay):

• 🍎 Requires MacBook or a laptop with Windows + iTunes
• 🔒 Supports broadcasting 4K HDR With Apple TV 4K
• 📱 You can duplicate your screen iPhone/iPad on TV

⚠️ Attention: Proprietary technologies (eg. Samsung DeX) may block the broadcast of DRM-protected content (for example, movies from Disney+ or Apple TV+). In such cases, use an HDMI cable.

6. Troubleshooting: What to do if the connection isn't working

Even with proper setup, errors can still occur. Here are the most common issues and how to fix them:

If nothing helps, try alternative methods:

• 🔌 Use HDMI cable for direct connection (the most reliable option)
• 📱 Connect your laptop and TV via USB-C/HDMI adapter (for example, for MacBook)
• 🌐 Use DLNA to broadcast media files (for example, via Plex or VLC)

How to update Wi-Fi adapter drivers?

1. Click Win + X → Device Manager
2. Expand the section Network adapters
3. Find your Wi-Fi adapter (e.g. Intel Wi-Fi 6 AX200), right-click → Update driver
4. Select Automatic search or download the driver from the manufacturer's website

7. Alternative programs for screencasting

If built-in Windows or TV tools don't work, you can use third-party programs. These often offer additional features, such as audio streaming or screen recording.

Popular apps:

• 🖥️ ApowerMirror - supports Android TV And Windows/macOS, allows you to control your TV from your laptop
• 🎮 Steam Link - optimized for game streaming (requires Steam on both devices)
• 📺 TeamViewer - suitable for remote control, but there are delays
• 🍎 AirParrot - alternative AirPlay for Windows (paid, but with a trial period)

Example of setup ApowerMirror:

1. Download and install the program on your laptop and TV (if on TV Android TV).
2. Connect both devices to the same Wi-Fi network.
3. Run it on your laptop ApowerMirror, select Phone Screen (despite the name, it also works with PC).
4. On your TV, enter the PIN code displayed in the program.

⚠️ Attention: Free versions of programs (for example, ApowerMirror) may apply watermarks or limit session time. For permanent use, consider purchasing a license.

8. Streaming optimization: how to reduce delays and lags

If the picture on your TV lags behind what you're seeing on your laptop, the problem lies with your network or device settings. Here's how to improve streaming quality:

Router settings:

• 📶 Switch to range 5 GHz (less busy than 2.4 GHz)
• 🔒 Turn on the mode WPA3 to protect the network (reduces interference)
• 📊 Limit bandwidth for other devices in settings QoS

Laptop settings:

• 🖥️ Reduce your screen resolution to 1920×1080 (V Settings → System → Display)
• 🎮 Disable background programs (especially torrents or cloud syncs)
• 🔌 Plug your laptop into a power outlet (running on battery power may reduce Wi-Fi performance)

Critical Information: If you are streaming 4K video, make sure your router supports the standard. Wi-Fi 6 (802.11ax) or at least Wi-Fi 5 (802.11ac) With a bandwidth of at least 867 Mbps. Otherwise, the picture will be choppy even with ideal settings.

FAQ: Answers to Frequently Asked Questions

Is it possible to connect a laptop to a TV without Wi-Fi?

Yes, there are several alternatives:

• 🔌 HDMI cable — the most stable connection without delays.
• 📱 USB-C/HDMI adapter (for example, for MacBook or laptops without HDMI port).
• 📡 Wi-Fi Direct - direct connection without a router (but requires TV support).

Why is there no sound when connecting via Miracast?

The problem is most often in Windows settings:

1. Click Win + X → Sound Manager.
2. Find the device with the name of your TV (for example, Samsung-XX).
3. Right click → Use as default.

If there is no sound, update your audio card drivers.

How to mirror your MacBook screen to a Smart TV?

For macOS There are two main ways:

• 🍎 AirPlay - if you have Apple TV or a TV with AirPlay 2 support (for example, LG OLED 2020+).
• 🌐 Google Cast — via browser Chrome (install the extension Google Cast).

The program is suitable for older TVs. ApowerMirror or AirParrot.

Is it possible to play games from a laptop to a TV via Wi-Fi?

Technically yes, but with some caveats:

• ✅ Suitable for strategy or simulation games (minimal lag).
• ❌ Not recommended for shooters or racing games (input lag ~50–100 ms).
• 🎮 Better to use steam broadcast through Steam Link or HDMI cable.

How do I turn off screen sharing?

Methods depending on the connection method:

• 🖥️ Miracast: Click Win + K → Disable.
• 📺 Google Cast: In the browser Chrome Click on the broadcast icon (📡) → Disable.
• 📱 Screen Mirroring: On the TV remote control, press Home → Settings → Disable Projection.