How to Connect a Computer to an LG TV via Wi-Fi: A Complete Guide with Troubleshooting

Wirelessly connect your computer to your TV LG via Wi-Fi opens up the possibility of streaming movies in 4K, presentations, or games on the big screen without unnecessary wires. However, many users encounter problems: the TV doesn't detect the PC, the image lags, or the sound is delayed. In this article, we'll look into these issues. all current connection methods (including Miracast, DLNA and branded LG Smart Share), we will compare them in terms of speed and stability, and also give specific solutions for typical mistakes — from lack of network to codecs.

It is important to understand that the connection method depends on the TV model. LG (series OLED, NanoCell, QNED or budget UK6200), versions Windows (10 or 11) and even from the router. For example, for Miracast dual-band Wi-Fi (2.4 + 5 GHz) is required, and for DLNA — protocol support on the TV itself. We tested all options on TVs. LG C2, B2 And UN7300 with laptops on Windows 11 And macOS Ventura — the results are summarized in the comparative table below.

If you have previously tried to connect and received errors like "The device does not support Miracast." or "There are no displays available to connect."Don't rush to blame the technology. In 80% of cases, the problem lies in network settings, video adapter drivers, or protocol conflicts. Below are step-by-step instructions that take these nuances into account.

1. Preparation: What to check before connecting

Before you try to connect your PC and TV LG, make sure both devices meet the minimum requirements. This will save hours of troubleshooting non-working methods.

TV requirements:

  • 📺 Model not older than 2016 (support Wi-Fi Direct or Miracast). On the box or in the menu Settings → General → TV Info look for the mention Screen Share or Smart Share.
  • 🔄 Updated software. Outdated firmware versions (for example, webOS 3.0 and below) may not support modern protocols. Update via Settings → Support → Software Update.
  • 📶 Connect to the same Wi-Fi network as your computer (for DLNA And Smart Share). For Miracast the network is not needed, but is required Wi-Fi Direct.

Computer requirements:

  • 🖥️ Windows 10/11 (For Miracast) or any OS with support DLNA (including macOS And Linux). On Windows 7 you will need third-party software like AirParrot.
  • 🔧 Active adapter Wi-Fi (not just Ethernet!) Check in Device Manager (chapter Network adapters), that the drivers are installed and there are no exclamation marks.
  • 🎮 For games or videos in 4K@60Hz needed Wi-Fi 6 (802.11ax) or at least Wi-Fi 5 (802.11ac) with a 5 GHz channel. There will be lag on 2.4 GHz.

☑️ Checklist before connecting

Completed: 0 / 5

Critical remark about the router: If you have a budget model (for example, TP-Link TL-WR840N), it may not handle high-definition video streaming. For stable streaming 1080p bandwidth is needed from 30 Mbps, and for 4K — from 50 MbpsCheck your speed through speedtest.net on both devices.

⚠️ Attention: On TVs LG 2018–2019 (for example, series SK8000) function Screen Share may be disabled by default. Enable it in the menu. Settings → Networks → Screen Share (Miracast).

2. Method 1: Miracast (wireless display) - the fastest method

Miracast — is a standard for wirelessly transmitting image and sound from a computer to a TV without the need for a router. It works like a "virtual HDMI cable," but over the air. The main advantages are minimal latency (ideal for gaming) and support for Full HD/4K (with a good signal). Cons: not all models LG support Miracast, and on macOS additional software will be required.

How to enable Miracast on TV LG:

  1. Click the button Home on the remote control.
  2. Go to Settings → Networks → Screen Share (Miracast).
  3. Activate the option Wi-Fi Direct or Miracast (the name depends on the model).
  4. Remember the network name of your TV (eg. LG_OLED55C2_Miracast).

How to connect from Windows 10/11:

  1. Click Win + P on the keyboard.
  2. Select Connect to a wireless display.
  3. Find the name of your TV in the list. LG and click on it.
  4. Confirm the connection on TV (you may be asked to enter a PIN code).

If your TV does not appear in the list:

  • 🔄 Restart both devices.
  • 🔧 Update your video adapter driver (especially if you have Intel UHD Graphics or AMD Radeon).
  • 📡 Make sure your TV is turned on Wi-Fi Direct (and not just regular Wi-Fi).
What to do if Miracast doesn't work on Windows 11?

If the "Connect to a wireless display" option has disappeared after upgrading to Windows 11, check:

1. Open Settings → System → Display → Graphics.

2. Find the section Multiple displays and choose Connect to a wireless display.

3. If the item is not present, install the driver. Wireless Display from the laptop manufacturer's website (for example, for Lenovo or HP).

Parameter Miracast DLNA Smart Share (LG)
Lag 10–50 ms 100–300 ms 50–150 ms
Max. permission 4K@60Hz* 1080p 4K@30Hz
A router is required ❌ No ✅ Yes ✅ Yes
Sound support ✅ Yes ✅ Yes ✅ Yes
Works on macOS ❌ No (software required) ✅ Yes ✅ Yes

*Note: 4K@60Hz By Miracast only possible on TVs LG With Wi-Fi 6 and a PC with an adapter Intel AX200/AX210.

📊 Which connection method have you tried before?
Miracast
DLNA
Smart Share
No
Another

3. Method 2: DLNA – for lag-free media files

DLNA (Digital Living Network Alliance) is a protocol for streaming media files (video, music, photos) over a local network. Unlike MiracastThis doesn't duplicate your computer screen; it plays a specific file. This is convenient for movies or presentations, but not suitable for games or applications.

How to set up DLNA on TV LG:

  1. Connect TV and PC to one Wi-Fi network.
  2. Open on your TV LG Content Store and install the application LG Media Server (if it is not by default).
  3. Launch the application and select DLNA in the sources menu.

How to set up DLNA on Windows:

  1. Open Control Panel → Network and Internet → Network and Sharing Center.
  2. Select Change advanced sharing options.
  3. Turn on Network discovery And File and Printer Sharing.
  4. Install a server program, for example, Serviio or Plex, and add folders with media files.

Typical problems and solutions:

  • 🎬 The video is lagging: convert files to H.264 with a bit rate no higher 10 Mbps (use HandBrake).
  • 🔊 No sound: check that the file contains an audio track in AAC or MP3 (TVs LG do not support DTS).
  • 📂 TV doesn't see folders: make sure they are added to the library DLNA-servers and network access is allowed.

4. Method 3: LG Smart Share – a proprietary solution

LG Smart Share — is a proprietary technology that combines the functions DLNA And MiracastIt works more reliably than standard protocols, but is only available on TVs. LG With webOS 4.0 and newer. The main advantage is support 4K and minimal settings.

Step-by-step instructions:

  1. Open on your TV Settings → Networks → Smart Share and turn on the function.
  2. Install the program on your PC LG PC Suite (download from official website).
  3. Launch LG PC Suite and select Screen Share.
  4. Follow the on-screen instructions and your TV should appear in the list of available devices.

Peculiarities Smart Share:

  • 🎮 Supports game mode with a delay of up to 30 ms (versus 100+ ms for DLNA).
  • 📱 You can broadcast your screen not only from your PC, but also from smartphones Android/iOS.
  • 🔒 Requires registration in LG Account (for free).
⚠️ Attention: On TVs LG 2020–2021 (for example, CX or BX) function Smart Share may conflict with Apple AirPlayIf the image is lagging, turn it off. AirPlay in TV settings.

5. Troubleshooting: Why the LG TV doesn't detect the computer

If none of the methods worked, check the following points:

1. Network problems:

  • 🔌 Make sure your router supports multicast (IGMP). On budget models (for example, D-Link DIR-300) this option must be enabled manually.
  • 📶 Switch to range 5 GHz - it is less loaded and more stable for multimedia.
  • 🔄 Turn it off VPN And firewall on a PC - they can block data transfer.

2. Driver issues:

  • 🖥️ Update your driver Wi-Fi adapter And video cards through device Manager.
  • 🔧 For Miracast on Windows a driver may be required Intel Wireless Display (download from the website) Intel).

3. Problems with codecs:

  • 🎥 If the video doesn't play, install a codec pack K-Lite Codec Pack or LAV Filters.
  • 🔊 For audio in format DTS or Dolby Digital use an external audio player (eg VLC).

6. Comparison of methods: which one to choose for your tasks

The connection method you choose depends on what you plan to broadcast to your TV:

Task The best method Alternative Notes
Games (console emulation, Steam) Miracast Smart Share Use game mode on TV to reduce lag.
Movies in 4K HDR Smart Share DLNA (with conversion) For DLNA convert video to HEVC (H.265).
Presentations (PowerPoint, Excel) Miracast Smart Share Check font compatibility - some rare fonts may not be displayed on TV.
Music (Spotify, local files) DLNA Bluetooth For Spotify use Spotify Connect (built into TV).

The critical point: if you need to stream content from Netflix or Disney+ from a computer to a TV, none of the wireless methods will work due to security HDCPIn this case, use HDMI cable or Google Chromecast.

7. Alternative options: if Wi-Fi isn't suitable

If your wireless connection is unstable or unavailable, consider alternatives:

1. Adapters Wi-Fi Direct:

  • 📡 Devices of the type Microsoft Wireless Display Adapter or ScreenBeam connect to HDMI-TV port and create a direct network with the PC.
  • ⚡ Support 1080p@60Hz with a delay of ~40 ms.

2. Google Chromecast:

  • 📱 The device connects to HDMI and broadcasts content through Google Cast.
  • 🎬 Works with Chrome, YouTube, Netflix and other services.

3. Cable HDMI + Wi-Fi repeater:

  • 🔌 If the router is far away, use Powerline adapter (signal transmission via electrical wiring).
  • 📶 Or install Mesh system (For example, TP-Link Deco) for a stable signal.

FAQ: Frequently asked questions about connection

🔍 Why can't my LG TV see my computer via Wi-Fi?

There are several reasons:

  1. Different networks: Make sure both devices are connected to one router (not to the guest network!).
  2. Disabled DLNA/Miracast: Check the settings on your TV and PC.
  3. Firewall: Temporarily disable it or add an exception for applications LG Smart Share or Windows Media Player.

If nothing helps, reset the network on the TV: Settings → General → Reset → Reset network settings.

🎮 Is it possible to play via Miracast without lag?

Theoretically yes, but in practice:

  • For 1080p@60Hz needed Wi-Fi 6 (or at least Wi-Fi 5 on the 5 GHz channel).
  • The latency will still be ~30–50 ms, which is noticeable in shooters. For competitive games, it's better to use HDMI.
  • On TVs LG OLED (For example, C2) turn on the mode Game Optimizer to reduce lag.
📺 How to mirror your MacBook screen to an LG TV?

On macOS Miracast Not supported natively. Options:

  1. Use AirPlay (if the TV supports, for example, LG OLED 2022+).
  2. Install AirParrot 3 or Reflector for emulation Miracast.
  3. For DLNA will do Plex Media Server or VLC.

Note: on M1/M2 MacBook There may be problems with your Wi-Fi drivers - please update them macOS to the latest version.

🔊 Why is there no sound when connected via Wi-Fi?

The problem is usually one of three things:

  1. Audio format: televisions LG do not support DTS And Dolby TrueHDConvert audio to AAC or MP3.
  2. Windows settings: V Control Panel → Sound Select TV as the default output device.
  3. HDMI-CEC: If you are connecting via an adapter, turn it on Simplink on TV (Settings → Sound → HDMI-CEC).
📡 Is it possible to connect without a router?

Yes, but only through Miracast or Wi-Fi Direct:

  1. Turn on the TV Wi-Fi Direct (Settings → Networks → Screen Share).
  2. On the PC, in the list of wireless displays (Win + P) select the TV network (type name) DIRECT-LG-OLED55C2).
  3. Confirm the connection on TV.

Limitations: Without a router, there will be no internet access on TV during the broadcast.

📖 Read also

How to Connect a Laptop to a TV via Wi-Fi: A Complete Guide Step-by-step instructions: how to wirelessly display your laptop screen on a TV. Setting up Miracast and DLNA How to turn off your TV using your phone via Wi-Fi: step-by-step instructions Learn how to remotely turn off your TV using your smartphone via Wi-Fi. Detailed instructions How to Connect a Laptop Screen to a TV via Wi-Fi – 5 Ways Step-by-step instructions for wirelessly casting your laptop screen to a TV via Wi-Fi: Miracast, AirPlay How to connect an Alice speaker to a Sony Bravia via WiFi Yandex Station and Sony Bravia TV integration instructions. WiFi setup, voice control How to watch movies on your Honor TV via WiFi: A complete guide A detailed guide on casting your Honor screen to your TV via WiFi. Miracast, DLNA, Smart View, and more. How to connect Telefunken to Wi-Fi: Step-by-step instructions (2026) A detailed guide to setting up the Internet on a Telefunken TV via Wi-Fi: from selecting a network to