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

Wirelessly transmitting images from a laptop to a TV via Wi-Fi is a convenient way to transform your TV screen into a large monitor for work, gaming, or watching movies. However, the choice of connection method depends on the laptop's operating system, TV model, and even the firmware version. In this article, we'll cover all the current connection methods, including standard protocols. Miracast And DLNA to proprietary solutions Samsung Smart View, Apple AirPlay And Google Chromecast.

The main advantage of a Wi-Fi connection is the absence of wires, but there are also some pitfalls: video transmission delays (lag), resolution limitations, and compatibility issues. We'll not only show you how to set up a connection but also explain why some methods may not work on your devices. For example, televisions LG 2018-2019 models often require manual activation of the mode Screen Share in the service menu, even if Miracast is supported.

If you are not sure which protocol your TV supports, check its specifications on the manufacturer's official website or in the settings menu (section Network → Wireless connection). For laptops on Windows 10/11 And macOS There are different options available - choose the one that suits you best from our instructions.

1. Connection via Miracast (Wireless Display) is a universal standard

Miracast — is a wireless screen sharing technology built into most modern TVs and laptops. It works without a router (point-to-point) and supports Full HD with minimal latency. However, there are some caveats:

• 📺 The TV must support Miracast (usually noted as Screen Mirroring, Wireless Display or Wi-Fi Direct).
• 💻 On a laptop with Windows The version must be no lower than 8.1 (V Windows 7 (A Miracast-enabled adapter is required.)
• 🔄 Both devices must be connected to the same Wi-Fi network (or create a direct connection).
• ⚡ Minimum latency is ~30–50 ms, but with a weak signal it can increase to 200 ms.

To activate Miracast on your TV, go to the settings menu:

• For Samsung: Settings → General → External Device Manager → Device Connect Manager → Screen Mirroring.
• For LG: Settings → Network → Miracast (or Screen Share).
• For Sony Bravia: Settings → Network → Home Network Setup → Mirroring.

On a laptop with Windows 10/11:

1. Click Win + K (or open Settings → System → Display → Connect to a wireless display).
2. From the list of available devices, select the name of your TV.
3. Confirm the connection on both devices (you may be asked to enter a PIN).

⚠️ Note: On some TVs Xiaomi And TCL Miracast is disabled by default. To activate it, press and hold the button on the remote. Menu for 5 seconds, then go to Engineer Menu → Wi-Fi Display → Enable.

The laptop and TV are connected to the same Wi-Fi network | Screen Mirroring is enabled on the TV | The Wi-Fi adapter drivers on the laptop are updated | VPN and firewalls are disabled -->

2. Using DLNA to stream media files (not screen mirroring!)

DLNA - is a protocol for streaming photos, videos and music from a laptop to a TV, but it does not transmit the entire screenSuitable for watching movies or listening to music, but not for gaming or working with documents. Key advantages:

• 🎬 Supports formats MKV, MP4, AVI (depending on TV model).
• 🔌 Works through your home router - no direct connection required.
• 📱 You can control playback from your phone (via apps like BubbleUPnP).

How to set up DLNA:

1. On your TV, activate the DLNA server (usually in the section Network → Home Network).
2. On a laptop with Windows open File Explorer → Network — your TV should appear there.
3. Drag the file to the TV folder or open it through a standard player (for example, Windows Media Player).

For macOS third-party software will be required, for example Plex Media Server or KodiPlease note that some TVs (eg. Philips 6000 series) do not support DTS- sound via DLNA - in this case there will be no sound.

⚠️ Attention: If the TV does not see the laptop on the DLNA network, check if the protocol is enabled in the router settings UPnP (usually in the section LAN → UPnP Settings). Without it, devices will not be able to "discover" each other.

Miracast|DLNA|Smart View / AirPlay|Chromecast|Can't connect-->

3. Smart View for Samsung TVs (Miracast alternative)

If you have a TV Samsung (2016 and newer), use proprietary technology Smart ViewIt works more stable than Miracast and supports HDR And 4K (on models QLED And Neo QLED). To connect:

1. Open on your TV Settings → General → External Device Manager → Device Connect Manager → Screen Mirroring.
2. On a laptop with Windows Download the official app Samsung Smart View from the manufacturer's website.
3. Launch the program, select your TV from the list and confirm the connection.

For macOS an app will be required AirParrot or Reflector (paid). Please note: on TVs Samsung series JU (2015) Smart View works only through a router, and on models Q-series supports direct connection.

4. AirPlay for the Apple ecosystem (MacBook + Apple TV or compatible TV)

AirPlay — the best choice for owners MacBook and TVs with support Apple TV or built-in AirPlay 2 (For example, LG OLED 2020+ or Sony Bravia X90J). Advantages:

• 🎮 Minimal latency (~20 ms) — suitable for gaming.
• 🎥 Support 4K Dolby Vision And Atmos.
• 🔒 Encrypted data transmission.

How to connect:

1. Make sure the TV and MacBook connected to the same Wi-Fi network.
2. On MacBook open Control Center → Screen Mirroring.
3. Select your TV from the list. When connecting for the first time, you may be asked to enter a code from the TV screen.

If you have a TV without built-in AirPlay (for example, Xiaomi Mi TV), you can use the prefix Apple TV 4KAlso check that on MacBook included Bluetooth - it is needed for the initial synchronization of devices.

⚠️ Warning: On TVs Samsung AirPlay only works on 2018 and newer models (series Q, RU, TU). On old TVs (for example, MU6100) the function is missing, even if the specifications indicate "AirPlay support".

5. Google Chromecast – for streaming and mirroring

If your TV doesn't support Miracast or AirPlay, use a device Google Chromecast (or built-in Google Cast on TV with Android TV). This method allows:

• 📱 Cast your browser screen Chrome from a laptop.
• 🎬 Stream videos from YouTube, Netflix, Twitch in maximum quality.
• 🖥️ Mirror the entire desktop (with a delay of ~100–300 ms).

Instructions for Windows/macOS:

1. Connect Chromecast to the TV and set it up through the app Google Home.
2. Make sure the laptop and Chromecast on the same Wi-Fi network.
3. In the browser Chrome click ⋮ → Broadcast and select the device.
4. To mirror your screen, select Broadcast your desktop.

Restrictions:

• 🚫 Screen mirroring may slow down under heavy load (for example, in games).
• 🔊 Sound is transmitted only through HDMI - headphones will require a separate connection.

How to speed up Chromecast streaming?

Use a router with support Wi-Fi 6 (802.11ax) and connect Chromecast via an Ethernet adapter (if supported by your model). Also, close any background programs on your laptop that consume bandwidth (such as torrents or cloud syncs).

6. Troubleshooting: Why the laptop can't see the TV via Wi-Fi

If the connection is not established, please check the following:

• 🔌 Router: Make sure it's enabled WMM (Wi-Fi Multimedia) in your router settings. Without it, Miracast and AirPlay may not work.
• 💻 Drivers: Update the Wi-Fi adapter driver on your laptop (especially important for Intel AX200/AX210 And Realtek).
• 📺 TV firmware: On TVs LG 2017–2019 requires a software update to version 05.00.05 or newer for stable Miracast operation.
• 🛡️ Firewall: Temporarily disable your antivirus and firewall Windows Defender - They can block the connection.

If your TV does not appear in the list of available devices:

1. Restart both devices.
2. On your TV, reset the network settings (Settings → Network → Network Reset).
3. On your laptop, run the following in the command line:

   netsh wlan set hostednetwork mode=allow
   netsh wlan start hostednetwork

   Then try connecting again.

⚠️ Note: On some laptops with AMD Ryzen and Wi-Fi modules Mediatek Miracast may not work due to driver issues. In this case, use Chromecast or DLNA.

FAQ: Frequently asked questions about connecting a laptop to a TV via Wi-Fi

Is it possible to connect a laptop to a TV without a router?

Yes, if both devices support Wi-Fi Direct or MiracastFor example, on Windows select from the menu Win + K the "Connect to a wireless display" option - the laptop will create a direct access point. macOS for this you need Apple TV or a TV with AirPlay 2.

Why is there no sound when connecting via Miracast?

The problem is typical for laptops with Windows 10 and televisions Sony. Solution:

1. On your laptop, open Sound Options → Output → Select Output Device.
2. The TV should appear in the list (for example, SAMSUNG-XX:X). Select it.
3. If the device is not there, update the sound card driver (especially for Realtek Audio).

On TVs LG Sometimes resetting the sound settings helps (Settings → Sound → Reset).

How to reduce lag when streaming games?

For Wi-Fi gaming:

• Use a router with support Wi-Fi 6 (or 5 GHz range).
• Connect your TV to your router via cable Ethernet (if there is a port).
• In the Miracast/AirPlay settings, select the mode Game or Low latency (if available).
• Close all background programs on your laptop (especially torrents and cloud syncs).

Minimum latency (~20 ms) is achieved only by HDMI or through Apple TV With MacBook.

Is it possible to stream a laptop screen to a TV using a USB Wi-Fi adapter?

Yes, but the adapter must support it. Miracast (For example, TP-Link Archer T4U or ASUS USB-AC56). Cheap chip adapters Realtek RTL8188 won't fit. Before purchasing, check the specifications on the manufacturer's website - look for a mention Wi-Fi Direct or Miracast.

Why does the TV turn off after 5-10 minutes of connection?

This is related to the power saving settings:

• Turn off the TV Eco mode And Auto power off (Settings → Power Saving).
• On a laptop with Windows open Control Panel → Power Options → Change Plan Settings → Never turn off the display.
• If used Chromecast, check your sleep settings in the app Google Home.

The problem may also be due to overheating of the laptop's Wi-Fi module - try using a cooling pad.