Modern technology allows you to completely eliminate unnecessary wires, turning your living room into a true multimedia center. Connecting your computer to your LG TV via Wi-Fi opens up access to a huge amount of content on the big screen without the need to run cables across the room. This solution is ideal for watching movies, showing presentations, or playing games on a PC monitor 50 inches or larger.
Unlike wired connections, wireless data transfer requires proper configuration of both devices on the same network. The process may seem complicated at first glance, but standard Miracast and DLNA protocols are built into Windows operating systems and LG's webOS platform by default. You won't need to purchase expensive additional equipment if your router and devices support the latest communication standards.
In this guide, we'll cover all available synchronization methods, from built-in Windows features to specialized software. We'll cover setup details, potential codec issues, and ways to optimize video stream speed for comfortable use.
Equipment preparation and compatibility testing
The first and most important step is to ensure a stable connection between devices. Both devices Your computer and LG TV must be connected to the same Wi-Fi network. If you have a dual-band router, make sure they operate on the same frequency, preferably 5 GHz, as it provides higher throughput for HD video.
Check your TV's software is up to date. Platform webOS The TV receives regular updates that improve the stability of the Wi-Fi module and fix errors in media transfer protocols. To check, go to the Settings menu, select "General," and find "About this TV" or "Advanced Settings," where the software update feature is available.
⚠️ Important: If your router uses Client Isolation mode, devices on the network will not be able to see each other. This mode is often enabled on guest networks or corporate Wi-Fi networks for security reasons.
It's also worth paying attention to signal strength. For transmitting heavy video streams in 4K resolution, 3840×2160 A strong signal is required. If the TV is located far from the router, delays or image artifacts may occur.
Using Connect to a Wireless Display in Windows
The most versatile option for Windows 10 and 11 PC owners is the built-in Miracast technology. It allows you to stream your screen image in real time, which is ideal for gaming or working on documents. On LG TVs, this feature is usually called Screen Share or "Screencasting".
To get started, launch the Connect app on your computer or use the keyboard shortcut Win + KThe system will begin searching for available devices. On your LG TV remote, press the Launcher button and select the "Screen Share" icon. Once your PC is detected in the list of devices, the TV may prompt you to confirm the connection.
It's important to note that when using Miracast, the image is transmitted directly, which can introduce a slight delay. While this isn't noticeable when viewing photos or videos, in fast-paced shooters, the lag can range from 50 to 150 ms. If you plan to play games, it's best to use a wired connection or lower the output resolution.
Setting up DLNA for media playback
If you want to watch movies stored on your hard drive or listen to music, DLNA technology is more efficient than simple screen mirroring. It allows your LG TV to act as a renderer, receiving a data stream directly from your computer's media server, without burdening the PC's processor with video signal encoding.
In Windows, you need to enable media streaming. Open "Media Streaming Settings" from the Control Panel or search. In the window that opens, click "Turn on media streaming" and select your LG TV from the list of available devices, setting the status to "Allowed."
After setting up your TV, open the Media app (or Photos & Videos or Music, depending on your model and webOS version). You'll see your computer's name in the list of sources. Navigate through the folders to launch files directly using the LG remote.
| Parameter | Importance for DLNA | Importance for Miracast |
|---|---|---|
| Transmission type | File stream | Screencasting |
| Delay | Minimum | Medium/High |
| PC load | Low | High |
| 4K HDR support | Depends on the codec | Depends on the Wi-Fi version |
☑️ DLNA Readiness Check
Broadcasting via Google Chrome browser
For users who prefer to watch content through web browsers, Google Chrome's built-in casting feature is a great solution. This method allows you to display not only a browser tab, but also the entire desktop or a specific application window on your TV.
Open the Chrome browser on your computer and click the three dots in the upper-right corner of the menu. Select "Cast." From the list of sources that appears, you can choose "Cast a tab," "Cast a file," or "Cast a screen." After selecting the source, select your LG TV.
This method is particularly convenient because it doesn't require complex Windows network settings. However, image quality and smoothness depend on the browser's performance and Wi-Fi speed. When casting a tab, video playback may be choppy on a slower computer.
⚠️ Note: When casting via a browser, audio may not be transmitted to the TV by default. Make sure "Cast Tab" is selected in the casting menu and the "Cast Audio" checkbox is checked.
Third-party applications and utilities
Built-in tools don't always deliver the desired results, especially when dealing with specific file formats or older devices. In such cases, third-party solutions can help, expanding the functionality of PC and Smart TV interaction.
One of the most popular programs is Lg TV Plus (official PC app) or universal media servers like Plex And KodiPlex, for example, creates a beautiful library of your movies with posters and descriptions, streaming the content to your TV via its webOS app. This transforms regular viewing into an experience comparable to professional online cinemas.
Alternative transmission protocols
There are also AirPlay 2 protocols, which are supported by some newer LG models. If you have a Mac, you can stream directly through the AirPlay menu in macOS without installing any additional software, simply by selecting the TV from the list of displays.
For gamers who want to play PC games on TV with minimal lag, there are specialized solutions like Steam LinkThe app is available in the LG Content Store. It lets you stream games from your computer to your TV using a controller connected to the PC or TV. You can flexibly adjust the image quality, balancing resolution and bitrate.
Quality solution and optimization
Even with proper setup, users may encounter issues: the image flickers, the audio lags behind the video, or the device isn't connected to the network at all. Most often, this is due to a congested Wi-Fi channel or outdated wireless adapter drivers on the computer.
Try updating your PC's Wi-Fi module drivers through Device Manager or the laptop manufacturer's website. Restarting the router is also effective—simply turning the power off for 10-15 seconds often clears the error buffer and redistributes the communication channels.
If you're using the 2.4 GHz band, interference from microwave ovens or neighboring networks can be critical. Switching to 5 GHz (if your router is dual-band) significantly solves the interference problem, although its range is shorter.
⚠️ Note: Menu interfaces and item names may vary depending on the webOS firmware version (3.0, 4.0, 5.0, 6.0, and later). If you don't see the option described, check the official user manual for your specific model.
Frequently Asked Questions (FAQ)
Why doesn't my LG TV see my computer in the list of devices?
Make sure both devices are connected to the same network (not a guest network). Check if your antivirus or Windows Firewall is blocking network discovery. Also, try rebooting your router.
Is it possible to connect a computer to an LG TV without Wi-Fi?
Yes, you can use an HDMI cable for this, which will ensure the best quality and the absence of lag. Connecting via a LAN cable is also possible if both devices have Ethernet ports.
How to reduce audio latency on a wireless connection?
In your LG TV settings, try enabling "Game Mode" or disabling additional sound effects (AI Sound). On your PC, you can try reducing buffering in your sound card driver settings.
Does my old LG TV support wireless connectivity?
Most LG Smart TVs released after 2014 support Miracast and DLNA. For precise information, check your model's specifications on the official website or in the "Network" menu.