How to connect a TV and laptop via Wi-Fi: all the wireless methods

Wirelessly streaming images from a laptop to a TV via Wi-Fi has become a standard feature of modern devices, but many users still face setup challenges. The main challenge is the variety of technologies: Miracast, DLNA, AirPlay (For Apple), branded solutions from Samsung or LGEach of them operates differently, requires different conditions, and is not supported on all models.

In this article, we'll cover all the current connection methods, including hidden settings that manufacturers often don't advertise. You'll learn how to avoid common errors (such as missing options) Wireless display in Windows or invisible TV in the device list), which router parameters affect connection stability, and how to make even old devices without built-in support work Wi-Fi Direct.

Important: If your TV was manufactured before 2015, some methods may not work. In this case, you will need additional equipment (e.g. Google Chromecast or Amazon Fire TV Stick), which we will also tell you about.

1. Preparing devices: what to check before connecting

Before attempting to connect your laptop and TV, make sure both devices meet the minimum requirements. This will save you hours of wasted effort.

TV requirements:

• 📺 Support Wi-Fi Direct or Miracast (indicated in the model specifications). Samsung look for the function Screen Mirroring, on LG — Smart Share.
• 🔄 Updated firmware. Outdated firmware often blocks wireless functions. Check the menu. Settings → Support → Software Update.
• 📶 Connect to the same Wi-Fi network as your laptop (for methods based on DLNA or AirPlay).

Laptop requirements:

• 🖥️ Windows 10/11 (For Miracast) or macOS (For AirPlay). On Linux manual configuration will be required via gnome-network-displays.
• 🔧 Enabled Wi-Fi adapter (check in Device Manager or through ifconfig V macOS/Linux).
• 🔒 Disabled VPNs and firewalls (they may block detection of devices on the local network).

Problems with your router? If the devices do not see each other, check:

• 🔄 Router operating mode: must be 802.11n/ac/ax (Not 802.11b/g).
• 🔒 Disable the guest network—it isolates devices.
• 📡 Wi-Fi channel: Automatic settings may interfere. Try manually setting the channel. 6 or 11 (2.4 GHz).

⚠️ Attention: On some routers from TP-Link And ASUS function AP Isolation Client isolation is enabled by default. It blocks communication between devices on the local network. Disable it in your router settings.

2. Method 1: Miracast (Screen Mirroring) - a universal method for Windows

Miracast — is a wireless image transmission standard supported by most modern TVs and laptops. It works without a router (using technology Wi-Fi Direct), but requires compatibility of both devices.

How to turn on on TV:

1. On Samsung: Settings → General → Screen Mirroring.
2. On LG: Settings → Network → Miracast or Smart Share.
3. On Sony (Android TV): Settings → Network → Wi-Fi Direct.

How to connect from a laptop (Windows 10/11):

1. Click Win + K (or Win + P → Connect to a wireless display).
2. From the list, select the name of your TV (for example, Samsung UE55-6).
3. Confirm the connection on TV (you may be asked to enter a PIN code).

If your TV does not appear in the list:

Check your TV's Miracast support (check the manual or check the manufacturer's website)

Update the Wi-Fi adapter driver on your laptop (via Device Manager)

Disable Wi-Fi power saving mode in the adapter settings.

Reboot both devices-->

⚠️ Attention: Laptops with processors Intel 7th generation and above may not support Miracast Due to an outdated Wi-Fi module. Check compatibility using the command dxdiag → tab Save All Information → search for the line Miracast: Available.

Critical detail: If your TV only supports Miracast in 5 GHz mode and your laptop is connected to 2.4 GHz, the connection will be impossible. Switch both devices to the same frequency.

3. Method 2: DLNA – transfer media files without screen mirroring

DLNA (Digital Living Network Alliance) allows you to stream to your TV photo, video And music from a laptop, but it doesn't mirror the entire screen. This method is suitable for watching movies or listening to music through a home theater system.

How to set up:

1. Turn on the TV DLNA (on Samsung — Settings → General → Remote Device Management, on LG — Network → DLNA).
2. Install the server program on your laptop:
   • 🖥️ For Windows: Plex Media Server, Kodi or built-in Media streaming (included in Settings → Networks → Media sharing settings).
   • 🍎 For macOS: VLC (menu Playback → Playback Device).

In the program, select the TV as the output device.

DLNA limitations:

• 🚫 Doesn't transmit sound from the browser or games (only media files).
• 📌 Not all video formats are supported (for example, MKV may not play on older TVs).
• 🔄 Lag during playback - up to 2 seconds.

4. Method 3: AirPlay for Apple devices (macOS/iPhone → Apple TV or Smart TV)

If you have MacBook or iPhone, and the TV supports AirPlay (For example, Samsung 2018+ or LG With webOS 4.0+), this method will provide the most stable connection with minimal latency.

How to connect:

1. Make sure both devices are connected to the same Wi-Fi network.
2. Turn on the TV AirPlay:
   • On Samsung: Settings → General → Apple AirPlay.
   • On LG: Settings → Network → AirPlay.

On MacBook:

• Open Control Center → Screen mirroring.
• Select your TV from the list.

AirPlay Features:

• 🎵 Supports audio transmission (including Dolby Atmos on compatible TVs).
• 🖥️ Can be used both in screen mirroring mode and for broadcasting a separate window (for example, only a movie from QuickTime Player).
• 🔒 Requires authorization (enter the code from the TV screen on your laptop).

⚠️ Warning: On TVs Sony With Android TV function AirPlay may work unstably due to a conflict with the built-in ChromecastIn this case, turn it off. Google Cast in TV settings.

5. Method 4: Branded applications (Smart View, LG TV Plus, Sony Video & TV SideView)

TV manufacturers are developing their own wireless connection solutions, which are often more stable than universal protocols. Let's look at the most popular ones:

For TVs Samsung:

• 📱 Application SmartThings (available for Windows, macOS, Android, iOS).
• 🔗 Features:
  • Screen mirroring (Screen Mirroring).
  • Remote control of TV from a laptop.
  • File transfer (photos, videos).

For TVs LG:

• 🖥️ Program LG TV Plus (only for Windows).
• 🎮 Supports low latency gaming mode (up to 50ms).

For TVs Sony:

• 📺 Application Video & TV SideView (For Android/iOS, but there is a web version for PC).
• 🎬 Allows you to stream video from YouTube or Netflix directly to TV without duplicating the entire screen.

General setup algorithm:

1. Download the official app from the TV manufacturer's website.
2. Connect your laptop and TV to the same Wi-Fi network.
3. Launch the app and follow the on-screen instructions (usually requiring you to scan a QR code from your TV).

Why are proprietary apps better than Miracast?

The proprietary software is optimized for specific TV models, which reduces latency and improves stability. For example, Samsung Smart View automatically adjusts the resolution to the capabilities of the TV, and LG TV Plus supports audio transmission in format DTS:X without additional settings.

6. Method 5: External devices (Chromecast, Fire TV Stick, Apple TV)

If your TV doesn't support wireless technology or was released before 2015, you can use external adapters. These plug into the HDMI port and add functionality. Miracast, AirPlay or Google Cast.

Comparison of popular devices:

Device	Technologies	Max. permission	Price (2026)	Peculiarities
Google Chromecast 4K	Google Cast, Miracast	4K HDR	~5 000 ₽	Supports Stadia (cloud gaming)
Amazon Fire TV Stick 4K	Miracast, AirPlay (with update)	4K	~6 500 ₽	Built-in Alexa for voice control
Apple TV 4K	AirPlay, HomeKit	4K Dolby Vision	~15 000 ₽	Best sound quality (Dolby Atmos)
Xiaomi Mi TV Stick	Miracast, DLNA	Full HD	~3 000 ₽	Budget option with support Netflix

How to connect:

1. Insert the device into the HDMI port of the TV and connect to power.
2. Select the appropriate signal source on your TV (e.g. HDMI 1).
3. Follow the on-screen instructions to connect to Wi-Fi.
4. On a laptop, use:
   • For Chromecast: extension Google Cast in the browser Chrome.
   • For Fire TV Stick: function Screen Mirroring V Windows.
   • For Apple TV: AirPlay on macOS.

7. Troubleshooting: What to do when nothing works

If none of the methods worked, check these points:

Laptop problems:

• 🔧 Update your Wi-Fi adapter driver (download from the manufacturer's website, not through Windows Update).
• 🔄 Restart the service WDIGEST (V Windows): open cmd as administrator and run:

  net stop wdigest
  net start wdigest

• 🛡️ Temporarily disable your antivirus (for example, Kaspersky or Avast may block the connection).

Problems with TV:

• 📺 Reset network settings: Settings → Network → Network Reset.
• 🔌 Unplug the TV from the power outlet for 30 seconds (hard reset).
• 📋 Check if the wireless broadcasting function is disabled in the service menu (on some Samsung it's hidden under the code *#0000#).

Router problems:

• 🔄 Change the security mode from WPA3 on WPA2-PSK (some TVs do not support the new standard).
• 📡 Disable the feature Band Steering (it may interfere with device detection).
• 🔗 Check if it is turned on MAC filter (it may block the connection of new devices).

⚠️ Attention: On some routers from Zyxel Keenetic function Game accelerator conflicts with MiracastDisable it in the router's web interface.

FAQ: Answers to frequently asked questions

My TV doesn't support Wi-Fi Direct. What should I do?

Use an external adapter (eg. Google Chromecast or Amazon Fire TV Stick). You can also try connecting via DLNA, if you only need to transfer media files and not mirror your screen.

The image lags when connecting via Miracast. How can I fix it?

The problem is usually related to router settings or network congestion. Try:

1. Switch to range 5 GHz (less interference).
2. Disconnect other devices from Wi-Fi.
3. Reduce the screen resolution on your laptop to 1920×1080.

Is it possible to connect without a router?

Yes, if both devices support Wi-Fi Direct (included in standard Miracast). The TV creates its own network, which the laptop connects to. This mode is enabled in the TV settings (usually called Wi-Fi Direct or Screen Mirroring).

I can't see my TV in the AirPlay list on macOS. What's wrong?

Check:

• TV and MacBook connected to the same network.
• The TV is in the mode AirPlay (sometimes it is hidden in the settings Apple TV & HomeKit).
• Update macOS to the latest version (older versions have bugs with AirPlay 2).

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

Technically yes, but with some caveats:

• 🎮 For Miracast input lag is 100–200 ms - this is critical for shooters or racing games.
• 🖥️ Better to use LG TV Plus (delay ~50 ms) or Steam Link (optimized for gameplay).
• 🔌 For serious gaming, a wired connection is recommended HDMI.