How to Connect a Computer to an LG TV via WiFi: Complete Instructions

Modern technologies allow you to completely get rid of unnecessary wires, turning your living room into a real multimedia center. Wireless connection Connectivity between a laptop or desktop PC and an LG TV has become standard thanks to built-in Wi-Fi modules and support for the latest data transfer protocols. You no longer need to search for long HDMI cables or drag them across the room, risking tripping.

The process of synchronizing devices takes only a few minutes if you know the correct sequence of actions. Smart TV TVs from the Korean manufacturer LG are equipped with the webOS operating system, which offers excellent compatibility with various platforms, including Windows and macOS. In this article, we'll take a detailed look at all the available methods for streaming video and audio.

We'll explore both built-in operating system features and specialized software for content streaming. You'll learn how to mirror your screen, extend your desktop, or simply stream videos and photos. The key is to ensure stable operation. local network, on which the quality of the image directly depends.

Preparing equipment and setting up the network

Before you begin pairing devices, you must ensure that the basic parameters are working correctly. Router The computer and TV must be in good working order, and both devices—the computer and TV—must be on the same local network. This is a fundamental requirement for most media transfer protocols to work.

Check that your router supports the standard. IEEE 802.11n or newer versions (ac, ax). Older models may not provide sufficient bandwidth to transmit high-definition video. If you use a dual-band router, it's best to connect both devices to the 5 GHz network to minimize latency.

⚠️ Note: If your computer is connected via a LAN cable and your TV via WiFi, they will still be on the same network, but the data transfer speed may be limited by the router's specifications and airwave congestion.

Make sure Smart TV is enabled on your LG TV and you're signed in to your LG Service account. Sometimes, some apps require updating your TV's firmware to the latest version via the settings menu.

  • 📡 Check the WiFi connection status on both devices.
  • 🔄 Make sure that IP addresses are assigned automatically (DHCP).
  • 🛡️ Disable guest mode on your router if it is enabled.

It is important to understand that transmission protocols Data networks are sensitive to interference. Microwave ovens, Bluetooth devices, and nearby networks can interfere with connection stability. Try to position the router as close to the viewing area as possible.

Using Miracast Technology in Windows 10 and 11

The easiest and fastest way to display an image from your computer on your LG TV is to use the built-in "Connect" function in the Windows operating system. Technology Miracast (or Wi-Fi Direct) allows you to broadcast an image directly, bypassing the router, although control is often initiated through the general network.

To get started, press the key combination Win + K on your PC keyboard. The "Connection" panel will appear on the right, where the system will begin searching for available wireless displays. If your LG TV is turned on and connected to the network, its name should appear in the list.

📊 Which connection method do you use most often?
Miracast (Win+K)
DLNA (Media Only)
Third-party applications
HDMI cable

Your LG TV may prompt you to confirm the connection. Use your remote control to press "Accept" or "Allow." Your computer screen will then be mirrored to your TV. You can select the mirroring or extended desktop mode in the menu. Project.

☑️ Check before connecting Miracast

Completed: 0 / 4

If the system reports "The device does not support Miracast," the problem may be with the wireless adapter drivers. Update the WiFi module software through the Device Manager or the laptop manufacturer's website. This will also help!

Why does the sound disappear when connected?

Sound may drop out if the "LG TV" or "Wireless Display" output device isn't selected in Windows sound settings. Go to the Sound Control Panel and set the TV as the default device.

Transmission quality depends on signal strength. When using Miracast, there may be a slight lag in the mouse cursor, which is normal for watching videos but can be disruptive during fast-paced games. Wireless monitor in this case it acts as a second screen.

Stream media via DLNA and built-in players

If you don't need to duplicate your entire desktop, but just want to play a movie, photos, or music stored on your PC's hard drive, it's better to use the protocol DLNAThis method is less resource-intensive and provides more stable playback of high-bitrate video.

Windows 10 and 11 come with a built-in media server. Open "Media Streaming Settings" from the Control Panel or search bar. Click "Turn on media streaming" in the window that opens.

The system will prompt you to name your library. Once activated, find your LG TV (usually labeled as [LG] webOS TV) and set the status to "Allowed." Now content from standard folders (Videos, Music, Pictures) will be available to TV.

Parameter Description Recommendation
Video formats MP4, MKV, AVI Use MP4 (H.264) for best compatibility
Audio codecs AC3, AAC, MP3 Check AC3 support on your TV model
Subtitles SRT, SUB The subtitle file name must match the video.
Permission Up to 4K Depends on the speed of the WiFi channel

On your LG TV, open the Photos & Videos app (or Media Player on older models). Select your computer from the list of sources. Navigate through folders using the remote. webOS interface allows you to conveniently sort content by date or file type.

⚠️ Please note: Some specific audio formats (such as DTS-HD MA or the new Dolby Atmos in MKV containers) may not play directly via DLNA due to limitations in licensed codecs on the TV side.

The advantage of this method is the ability to control playback with your TV remote. You can pause, rewind, and adjust the volume without having to reach for your computer. This is ideal for a home theater.

Using third-party streaming apps

Standard operating system tools aren't always ideal. If built-in functions are unstable or don't support the required format, specialized applications come to the rescue. One of the most popular solutions is the program Plex or Universal Media Server.

Install the server-side application on your computer and the client application from the LG Content Store on your TV. After registering with a single account, the server will automatically scan your media library, adding cover art, descriptions, and metadata. The interface will become similar to Netflix or Kinopoisk.

Another option is to use browser extensions or Chrome tab casting apps. Extension Google Cast (if supported by your TV model) or the built-in "Cast" feature in the Chrome browser allows you to display a specific tab or the entire screen on your TV.

For macOS users wanting to connect to an LG TV, the situation is more complicated, as Windows and Mac use different ecosystems. However, many modern LG models support AirPlay 2. In this case, you can simply select Screen Mirroring in the Mac Control Center and select the TV.

If AirPlay 2 is not supported, you can install an application on your TV that emulates AirPlay reception, for example, AirScreen (Available in the LG app store if your model supports Android apps, or via an external set-top box.) Older LG models may require installing a separate DLNA server with on-the-fly video transcoding.

LG TV Setup and Troubleshooting