Connecting a Laptop to an LG TV via Wi-Fi: 4 Working Methods + Troubleshooting

Wirelessly connect your laptop to your TV LG Wi-Fi opens up a ton of possibilities, from watching movies on the big screen to presenting without the hassle of wires. However, many users encounter difficulties—the TV can't find the device, the picture lags, or the sound cuts out. In this article, we'll look at all current connection methods (including hidden functions WebOS), optimal settings for stable operation and typical errors that prevent connection.

The main advantage of Wi-Fi connection is the absence of wires and the ability to control content directly from a laptop. But there are some nuances: not all models LG support Miracast (especially budget series), and for DLNA Proper local network configuration is required. We tested all methods on TVs. LG OLED C2, NanoCell 86 And UK6200 — the results are summarized in the comparative table below.

📊 Which connection method have you tried before?
Via HDMI cable
Via Wi-Fi Direct
Using Miracast
DLNA/Smart Share
Never connected

1. Preparation: What to check before connecting

Before attempting to connect devices, make sure both devices meet the minimum requirements. This will save you an hour of troubleshooting why nothing works.

On the side LG TV:

  • 📺 Model with WebOS 3.0 and later (released since 2016). Old TVs (NetCast) Wi-Fi connection only works through DLNA, without screen duplication.
  • 🔄 Updated softwareGo to . Settings → Support → Software Update and install the latest version. On TVs LG 2020-2023 Miracast may not work without updating to WebOS 6.0+.
  • 📶 Connecting to the same Wi-Fi network, as well as the laptop. If the TV is connected via cable and the laptop via Wi-Fi, some functions (for example, Smart Share) will not work.

On the side laptop:

  • 💻 Windows 10/11 or macOS 10.15+On Windows 7 and older MacBook Airs (before 2017) there may not be enough drivers for Miracast.
  • 🔧 A Wi-Fi adapter with Miracast support. You can check this in Device Manager → Network Adapters (look for models with Intel Wi-Fi 6, Qualcomm Atheros or Broadcom 802.11ac).
  • 🔒 Disabled VPN and firewallThey can block data transmission over a local network.

2. Method 1: Screen Mirroring (Miracast)

This is the most universal method for modern TVs. LG (series OLED, QNED, NanoCell (with WebOS 4.0+). It allows you to fully mirror your laptop screen on your TV with minimal latency (ideal for gaming and video).

Step-by-step instructions:

  1. On TV: Open Settings → Connections → Screen Mirroring.
  2. On a laptop with Windows 10/11:
    • Click Win + K (or open Settings → System → Display → Connect to a wireless display).
    • In the list, find the name of your TV (for example, LG OLED55C2).
    • Confirm the connection on both devices.
  • On MacBook:
    • Use AirPlay (if the TV supports it - models LG 2019 and newer Home Dashboard).
    • Or install third-party software like AirParrot or Reflector.

    ⚠️ Problems and solutions:

    • 🚫 "Device not found" → Reboot your router and make sure both devices are on the same network. 2.4 GHz (5GHz may not be supported).
    • 🐢 Lag when playing video → Reduce your laptop screen resolution to 1920×1080 or disable background programs.
    • 🔇 No sound → B Control Panel → Sound Select TV as the default output device.

    Laptop and TV on the same Wi-Fi network | VPN/firewall disabled | TV software updated | Wi-Fi adapter supports Miracast | Screen resolution no higher than 4K (for stability) -->

    3. Method 2: Smart Share (DLNA) – transfer files without duplication

    If you don't need to duplicate the entire screen, but only broadcast movies, music or photos, the technology is suitable DLNAIt works even on older models. LG (series LH60, UJ630) and does not require support Miracast.

    How to set up:

    1. On TV: turn on Smart Share V Settings → Network → Miracast & Devices → Smart Share.
    2. On the laptop:
      • For Windows: open File Explorer → NetworkThe TV should appear as a media device. Drag the files into the TV folder.
      • For macOS: use VLC or Plex Media Server for streaming.
  • File formats: TVs LG support MP4 (H.264), MKV, JPG, MP3. Files with a resolution higher than 4K or the H.265 codec may not play.
  • ⚠️ DLNA limitations:

    ⚠️ Note: DLNA streaming is not supported. DRM-protected content (Netflix, Disney+, Skyeng). For this, use Miracast or HDMI.
    • 📁 No access to folders → Check your sharing settings in Control Panel → Network and Internet → Network and Sharing Center → Change advanced settings....
    • Long buffering → Connect the TV to the router via cable, and leave the laptop on Wi-Fi.

    4. Method 3: Streaming apps (Plex, VLC, YouTube)

    If built-in functions LG If you are not satisfied with this, you can use third-party applications. This method is suitable for streaming specific files or services (for example, YouTube from laptop to TV).

    Best options:

    Application What is it suitable for? Requirements Delay
    Plex Media Server Movies, TV series, music (sorted by library) Installing a server on a laptop + a client on a TV 1-2 sec
    VLC + UPnP Local video files (including MKV with subtitles) Turn on General access in VLC settings 0.5-1 sec
    YouTube (Stream to TV feature) Video from YouTube, browser or mobile TV and laptop on the same Google network Instantly
    Steam Link Play PC games on TV (if your laptop is powerful) Controller, router with Wi-Fi 6 5-30 ms

    How to set up Plex:

    1. Download Plex Media Server on the laptop (official website).
    2. Add movie folders to the library.
    3. Install the app on your TV Plex from LG Content Store.
    4. Log in with the same account on both devices.
    How to speed up streaming on Plex?

    1. In the server settings, select Transcoder Quality → Prefer higher speed encoding.

    2. Limit the bitrate to 8 Mbps for Full HD.

    3. Use a wired connection for your TV.

    4. Turn off subtitles (they increase the load on the processor).

    5. Method 4: Alternative solutions (for older LG models)

    If your TV LG Released before 2016 (series LB650V, 43LF540V), most likely, it does not have Miracast and limited support DLNAIn this case, the following will help:

    • 📡 Wi-Fi adapter with HDMI (For example, Google Chromecast or Amazon Fire TV Stick). Connects to the TV's HDMI port and functions as a receiver for broadcasting from a laptop.
    • 🖥️ USB→HDMI wired adapter (if Wi-Fi is not an option at all). For example, Wavlink USB 3.0 to HDMI.
    • 🌐 Cloud services (for photo/video):
      • Upload the file to Google Drive/Dropbox.
      • Open on TV via browser or app LG ThinQ.

    ⚠️ Important for Chromecast:

    ⚠️ Caution: When using Chromecast on TVs LG There may be a scaling issue with 4K resolution. In Chromecast settings, select Output → 1080p, if the image is cropped.

    6. Common mistakes and how to fix them

    Even with proper setup, connection issues can persist due to minor issues. Here are the most common problems and their solutions:

    Error Cause Solution
    "Unable to connect to device" Different Wi-Fi subnets (e.g. 192.168.0.x and 192.168.1.x) Configure the router to the same subnet or connect both devices via cable
    There is sound, but no picture. Incompatible graphics driver Update your video card driver (for Intel - through Intel Driver & Support Assistant)
    The video is lagging Weak Wi-Fi signal or high resolution Switch to 5GHz, reduce the resolution to 1080p, or use a cable
    The TV does not appear in the list of devices Disabled Screen Mirroring or blocked by a firewall Check your TV settings and temporarily disable your antivirus software.

    7. Comparison of methods: which one to choose?

    The choice of method depends on your TV model, laptop, and tasks:

    • 🎮 For gaming or screen mirroringMiracast (if supported) or Steam Link.
    • 🎬 For movies and musicDLNA or Plex.
    • 📱 For YouTube and browser → built-in "Broadcast to TV" function.
    • 🖥️ For old TVsChromecast or HDMI cable.

    FAQ: Frequently Asked Questions

    Is it possible to connect a laptop to an LG TV via Wi-Fi without a router?

    Yes, if both devices support Wi-Fi DirectOn TV LG turn on Settings → Network → Wi-Fi Direct, and on your laptop, connect to the created access point. However, Miracast It won't work in this mode - only file transfer via DLNA.

    Why is there no sound when connecting via Miracast?

    The problem most often lies in Windows sound settings:

    1. Click Win + I → System → Sound.
    2. In the section Conclusion select your TV (for example, LG OLED XXXX).
    3. If the device is not displayed, update your sound card driver.

    On macOS Sound is not transmitted via Miracast - use a separate Bluetooth speaker.

    How to connect a MacBook to an LG TV without AirPlay?

    Options:

    • Install AirParrot 3 (paid, but supports Miracast).
    • Use Google Chrome with extension Cast for broadcasting tabs.
    • Connect via DLNA by using VLC or Infuse.
    ⚠️ Note: For MacBooks with a chip M1/M2 There may be compatibility issues with Miracast adapters - check manufacturer support.

    What is the maximum resolution supported over wireless connection?

    It depends on the method:

    • Miracast: to 4K@30Hz (on LG OLED C2 and newer), but works more stably 1080p@60Hz.
    • DLNA: to 4K, but with recoding (artifacts are possible).
    • Chromecast: to 4K@60Hz, but only for supported applications (YouTube, Netflix).

    For 4K@60Hz It's better to use it without lags HDMI 2.1.

    Is it possible to control the TV from a laptop after connecting?

    Yes, but with restrictions:

    • At Miracast The laptop becomes a "remote control" - the mouse cursor will be displayed on the TV.
    • For DLNA control is only possible through applications (for example, LG ThinQ for Android/iOS).
    • WITH Plex or VLC You can rewind videos from your laptop.

    Full control (including channel switching) is only possible through HDMI-CEC (cable needed).