Connecting a PC to an LG TV via Wi-Fi in Windows 10: A Complete Guide with Troubleshooting

Wirelessly stream your computer's screen to a big-screen TV LG — a convenient solution for presentations, watching movies, or gaming without the hassle of wires. However, many users face difficulties: Windows 10 doesn't detect the TV. in the list of available devices, the image slows down, and the sound disappears. In this article, we'll look into three working connection methods - through Wi-Fi Direct, Miracast And DLNA — taking into account the features of televisions LG (including models with webOS 4.0–23) and nuances of settings Windows 10.

Important: Not all TVs LG support wireless broadcasting in the same way. For example, budget series (UK6200, UK6300) may not have Miracast, but they work through DLNA, and the flagships (C1, G2) support all protocols. We'll show you how to check your model's compatibility and what settings to optimize for stable operation.

If you have previously tried to connect and received errors like "The device does not support Miracast." or "Unable to connect to Wi-Fi Direct", the article has a section with diagnostics of problems — from updating drivers to resetting network settings.

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

1. Preparation: Checking the compatibility of your LG TV and PC

Before setting up a connection, make sure your devices support the selected protocol. For TVs LG There are three key technologies for wireless broadcasting:

  • 🔄 Wi-Fi Direct - direct connection without a router (works on most models with webOS 3.0+).
  • 🖥️ Miracast - screen duplication according to the standard Wi-Fi Alliance (requires PC and TV support).
  • 📂 DLNA — streaming media files (photos, videos, music) without screen mirroring.

To check compatibility:

  1. On TV LG open Settings → All settings → Network → Wi-Fi DirectIf there is no item, your model does not support it. Wi-Fi Direct.
  2. For Miracast click Settings → All settings → General → Miracast (or Screen Share in older versions webOS).
  3. On PC with Windows 10 check support Miracast via command: 
    dxdiag

    In the window DirectX Diagnostic Tool go to the tab System and find the line Miracast. If it is written Available with HDCP support - Everything is fine.

Which LG models do not support Miracast?

Among LG TVs without Miracast support, the most common are budget series from 2016–2018: LJ550V, LK5400, UK6100 (in some regions). Also, there is no support for models with webOS 2.0 and below.

Critical moment: if your PC is equipped with Intel Wi-Fi adapter (For example, AX200, 8265), update the driver to the latest version via Intel's official websiteOld drivers often cause the error. "Your PC or mobile device does not support Miracast.", even if there is hardware support.

2. Method 1: Connecting via Wi-Fi Direct (without a router)

Wi-Fi Direct — the most universal method for TVs LG, as it doesn't require a router. However, it does have a limitation: maximum broadcast resolution is 1080p at 30 Hz, which can be critical for dynamic games or videos.

Connection instructions:

  1. On TV LG activate Wi-Fi Direct:
    • Go to Settings → Network → Wi-Fi Direct.
    • Select Turn on and wait until the TV becomes visible to other devices.
  • On PC with Windows 10:
    • Open Settings → Devices → Bluetooth & other devices.
    • Click Add Bluetooth or other device → Wireless display.
    • In the list, find the name of your TV (for example, LG_OLED55C1) and select it.
    • Confirm the connection on your TV if prompted.

    Make sure Wi-Fi is turned on on your TV|Disable VPN on your PC|Check that your TV is not connected to another network|Update your Wi-Fi adapter driver-->

    If the connection fails:

    • ⚠️ Problem: The TV does not appear in the list of devices. Solution: Restart both devices and try searching again. If that doesn't help, reset the network settings on your TV.Settings → General → Reset → Network reset).
    • ⚠️ Problem: The image is slow or choppy. Solution: Reduce your PC screen resolution to 1920×1080 and set the frequency 30 Hz in the display settings.

    3. Method 2: Screen mirroring via Miracast

    Miracast allows you to broadcast your screen with a resolution of up to 4K (on supported models LG), but requires both devices to be compatible with the protocol. Windows 10 support Miracast built-in, but often disabled by default.

    Step-by-step setup:

    1. On TV LG:
      • Activate Screen Share (Settings → All settings → General → Miracast).
      • Select mode Miracast (sometimes called Wireless Display).
  • On PC:
    • Click Win + K (or Settings → System → Display → Connect to a wireless display).
    • Find your TV in the list and connect.
    • If the device is not found, check if it is turned on. Miracast V Settings → System → Project to this PC (should be there) Available everywhere).

    Common errors and solutions:

    Error Cause Solution
    "Your PC or mobile device does not support Miracast." Outdated Wi-Fi or video adapter driver Update driver via device Manager or the manufacturer's website
    "Unable to connect to the device" 5 GHz interference Switch to 2.4 GHz in your router settings or use Wi-Fi Direct
    Sound is transmitted, but the image is not. Permissions mismatch Set the resolution on your PC 1920×1080 and frequency 60 Hz

    4. Method 3: Streaming media via DLNA (for movies and music)

    If you don't need to mirror the entire screen, but only transfer movies, photos or music, DLNA — the optimal choice. This method works even on older TVs. LG and does not require high Wi-Fi speed.

    How to set up:

    1. On TV LG:
      • Make sure your TV and PC are connected to the same Wi-Fi network.
      • Open the app SmartShare (or Media server in new versions webOS).
  • On PC with Windows 10:
    • Turn on Streaming media: 
      Control Panel → Network and Internet → Network and Sharing Center → Change advanced sharing settings → Stream media

      Select Enable media streaming.

    • Add folders with media files to libraries Video, Music or Images.
    • On TV in SmartShare Select your PC and play the file.

    DLNA limitations:

    • 🎬 Not all video formats are supported (for example, MKV With DTS- sound may not be reproduced).
    • 🔊 Sound is transmitted only through the TV (there will be no sound on the PC).
    • 📶 Quality depends on Wi-Fi speed: for 4K I need a router with support 802.11ac (5 GHz).

    5. Connection optimization: how to reduce latency and improve quality

    Even after a successful connection, users often encounter problems lags, image artifacts or connection breaksHere's how to fix it:

    • 📶 Use 5 GHz: If your router supports two frequencies, connect to the network 5 GHz - it is less congested and provides greater throughput.
    • 🖥️ Reduce resolution: In Windows display settings, set 1920×1080 instead of 4K, if you experience any slowdowns.
    • 🔌 Disconnect other devices: The more devices connected to Wi-Fi, the greater the load on the network. Disconnect unnecessary devices during the broadcast.
    • 🔄 Update your TV firmware: Go to Settings → All settings → General → About TV → Check for software updates.

    For gaming or watching high-bitrate videos, we recommend:

    • Use Miracast with support HEVC (if the TV supports it).
    • Connect your PC to the router via cable Ethernet, and leave the TV on Wi-Fi - this will reduce latency.
    • Enable it in your router settings. QoS (Quality of Service) and set priority for traffic from the PC.
    Why does the image lag even at 5 GHz?

    The reasons may be:

    - Interference from other networks (check the channel in the router settings, select the least loaded one).

    - Weak PC Wi-Fi adapter (for example, built-in Realtek RTL8188EE can't handle 4K).

    - Background data loading (disable torrents, Windows updates and other heavy tasks).

    6. Troubleshooting: What to do if nothing works

    If none of the methods worked, use this diagnostic guide:

    1. Check protocol support:
      • On TV: Settings → General → About TV → Product Information (look for the mention Miracast or Wi-Fi Direct).
      • On PC: Enter the following in the command line: 
        netsh wlan show drivers

        Find the line Hosted network support — it should be Yes.

    2. Update your drivers:
      • For Wi-Fi adapter: Download the latest version from the manufacturer's website (Intel, Qualcomm, Realtek).
      • For the video card: update the driver NVIDIA/AMD/Intel through GeForce Experience or Adrenalin.
  • Reset network settings:
    • On PC: Settings → Network & Internet → Status → Network reset.
    • On TV: Settings → General → Reset → Network reset.

    Critical errors and their causes:

    ⚠️ Attention: If you connect via Miracast a message appears "This device does not support HDCP-protected content.", the problem is in the video card driver or in the settings HDCP on the TV. Try turning it off. HDCP in the TV menu (if there is such an option) or update the GPU driver.
    ⚠️ Attention: On some models LG (For example, NanoCell SM8600) After updating the firmware, support may disappear Wi-Fi DirectIn this case, use Miracast or connect via a router.

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

    Each connection method has its pros and cons. Below is a comparison table for different scenarios:

    Method Max. permission Latency (ms) A router is required Better for
    Wi-Fi Direct 1080p@30 Hz 50–100 ❌ No Presentations, simple videos
    Miracast 4K@60Hz* 30–60 ❌ No Games, movies in high quality
    DLNA Depends on the file 1000+ (buffering) ✅ Yes Music, photos, videos without screen mirroring

    * 4K@60Hz supported only on TVs LG With webOS 5.0+ and PC with Wi-Fi 6 (802.11ax).

    Recommendations for selection:

    • 🎮 For games: Miracast (if TV and PC support it) or wired connection HDMI.
    • 🎥 For 4K movies: Miracast or DLNA (if there are no requirements for screen duplication).
    • 📊 For presentations: Wi-Fi Direct (easy to set up) or Miracast (best quality).

    FAQ: Frequently asked questions about connecting a PC to an LG via Wi-Fi

    ❓ Why doesn't my LG TV detect my PC when I try to connect?

    There are several reasons:

    • It's disabled on PC. Miracast or Wi-Fi Direct (check in Settings → System → Project to this PC).
    • Outdated Wi-Fi adapter driver (update via device Manager).
    • The TV is connected to a different network (for example, to a mobile hotspot, and the PC is connected to a router).
    • It's disabled in the router settings. Multicast (needed for DLNA And Miracast).

    First, try restarting both devices and searching again.

    ❓ Is it possible to stream audio from a PC to an LG TV without a picture?

    Yes, but not through Miracast or Wi-Fi Direct — These protocols always transmit both video and audio. Alternative options:

    • Use Bluetooth: connect TV as an audio device in Settings → Devices → Bluetooth.
    • Use DLNA to play music through SmartShare.
    • If the TV has an input Optical or HDMI ARC, connect an external sound system to it.
    ❓ How can I reduce lag when playing via Miracast?

    Latency is inevitable when broadcasting wirelessly, but it can be reduced:

    • Connect your PC to the router via cable Ethernet, and leave the TV on Wi-Fi.
    • Enable it in your router settings. QoS and set priority for traffic from the PC.
    • Reduce your PC screen resolution to 1280×720 and set the frequency 60 Hz.
    • Disable background programs that consume internet (torrents, updates).
    • Use a router with support Wi-Fi 6 (802.11ax) and channel 160 MHz.

    For competitive games (eg. CS:GO, Valorant) it is better to use a wired connection HDMI.

    ❓ Why does video lag when viewing via DLNA?

    The problem is usually related to:

    • Low Wi-Fi speed: For Full HD a channel of at least is needed 20 Mbps, For 4K — 50+ Mbps.
    • Unsupported format: televisions LG do not reproduce MKV With DTS-sound or HEVC 10-bit.
    • Router overload: Disconnect other devices from the network.

    Solutions:

    • Convert video to MP4 (H.264 + AAC) through HandBrake.
    • Connect your PC to the router via cable.
    • In the settings SmartShare turn it on TV Transcoding (if any).
    ❓ Is it possible to connect a PC to an LG TV via Wi-Fi if there is no router?

    Yes, the following are suitable for this:

    • Wi-Fi Direct: direct connection without a router (works on most models) LG With webOS 3.0+).
    • Miracast: also does not require a router, but both devices must support the protocol.

    DLNA In this case it will not work, as it requires a shared network.

    • 📖 Read also

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