Wireless TV connection LG Connecting your computer via Wi-Fi opens up a wide range of possibilities, from streaming high-definition movies to using your TV as a second monitor. However, many users encounter difficulties setting up such a connection, especially when it comes to models with different versions. webOS or Windows. In this article, we'll cover all current connection methods, including Miracast, DLNA and proprietary technologies LG Smart Share, and we will also give practical advice on how to eliminate typical mistakes.
It's important to understand that the choice of method depends on the purpose of the connection. For example, to view media files from a PC on a TV, you just need to set up DLNA server, and to duplicate the laptop screen you will need Miracast or specialized software. We'll describe each option in detail, outlining their pros, cons, and system requirements. You'll also find a compatibility chart for each technology with various TV models. LG and Windows versions.
If you've tried connecting before and it's not working, don't blame your equipment. In 80% of cases, the problem lies in incorrect network settings, outdated software, or protocol conflicts. We'll help you figure out why your TV can't detect your computer via Wi-Fi and what to do if the connection keeps dropping.
1. Preparing the TV and computer for connection
Before you begin setup, make sure both devices meet the minimum requirements. TV LG must support at least one of the wireless data transmission technologies: Miracast, Wi-Fi Direct or DLNAFor models with webOS 3.0 and newer ones usually have no compatibility issues, but older TVs (for example, on NetCast) may require additional adapters.
On the computer side, check:
- 🖥️ operating system: Windows 10/11 (for Miracast) or macOS 10.12+ (for AirPlay, if your TV supports it). Wireless screen mirroring is unstable on Windows 7/8.
- 📶 Wi-Fi adapter: must support the standard
802.11ac(or at least802.11n) for stable transmission of video in Full HD. - 🔄 Driver updates: Outdated network card or video card drivers are a common cause of crashes. Update them via
device Manageror the manufacturer's website.
Also both devices must be connected to the same Wi-Fi networkIf you're using a dual-band router (2.4 GHz + 5 GHz), we recommend temporarily disabling network separation—sometimes the TV and PC can't see each other due to different frequency bands. You can check the current network on the TV in the menu. Settings → Network → Wi-Fi Connection.
2. Connect via Miracast (screen mirroring)
Miracast — is a standard for wirelessly transmitting images and sound from a computer to a TV. The technology is built into Windows 10/11 and most modern TVs. LG (starting from webOS 2.0). The main advantage is minimal latency, which is important for gaming or presentations. However, there are also drawbacks: not all models support higher resolutions. 1920×1080, and if the Wi-Fi signal is weak, some slowdowns may occur.
To connect:
- On TV LG open
Settings → Connection → Screen Share. - Enable the option
MiracastorWi-Fi Direct(the name may differ depending on the model). - On your computer, click
Win + K(or openSettings → System → Project to this PC). - Select your TV from the list of available devices. LGIf it's not there, refresh the page or restart both devices.
If the connection is not established, check:
- ⚡ TV power supplySome models disable the Wi-Fi module in power-saving mode. Try unplugging the device for 30 seconds.
- 🛡️ Windows Firewall: temporarily disable it or add an exception for the application
Connect. - 📡 Wi-Fi channelIf your router is operating on a channel higher than 11 (in the 2.4 GHz band), Miracast may not work. Switch to channels 1–11.
Wi-Fi is enabled on TV and PC|
Both devices are on the same network|
Video card and Wi-Fi adapter drivers have been updated|
VPN and proxy are disabled on PC-->
What to do if Miracast is not supported?
If your TV LG does not support Miracast (e.g. models before 2015), you can use an external adapter such as Microsoft Wireless Display Adapter or ScreenBeam Mini2>. Connect it to the HDMI port on your TV and follow the manufacturer's instructions. Also, check if your model has this feature. Smart Share - It sometimes works even where Miracast is not available.
3. Using DLNA to transfer media files
DLNA (Digital Living Network Alliance) is a protocol for streaming music, video, and photos from a computer to a TV. Unlike Miracast, it doesn't mirror your screen, but it does allow you to stream files in virtually any format (as long as your TV supports them). The technology works on all TVs. LG With Smart TV, including older models on NetCast.
To set up DLNA on your PC:
- Install a DLNA server. Windows 10/11 has one built in—enable it in
Settings → Network & Internet → Sharing options → Media streaming. - Add folders containing media files to Windows Libraries (
Video,Music,Images). - On TV LG open the application
Smart ShareorMedia player, select the source - your computer.
If the TV does not detect the PC:
- 🔧 Check that your Windows Firewall settings allow incoming connections for
HomeGroup functionality. - 🌐 Make sure both devices are on the same subnet. For example, if the computer's IP
192.168.1.100, and TV192.168.0.50— the connection will not take place. - 📂 Try using third-party DLNA servers, for example Plex or Kodi, if the built-in Windows one works unstable.
4. LG Smart Share technology
LG Smart Share — is the company's proprietary solution for sharing content between devices. It combines DLNA functionality with additional features, such as playback control via the TV remote. The technology is available on all TVs. LG With webOS and some models on NetCast (for example, series LM6xx0).
To use Smart Share:
- On your TV, open the app
Smart Share(usually located in the main menu or in the sectionPremium). - Install the program on your computer LG PC Suite (You can download it from the official website) LG).
- Launch the program and follow the setup wizard. It will automatically detect the TV on your local network.
- Drag files into the program window or select folders to share.
Advantages of Smart Share over DLNA:
- ✅ More stable file handling
MKVAndFLAC. - ✅ Ability to create playlists directly on your TV.
- ✅ Subtitle support (including external files)
.srt).
5. Technology compatibility table with LG models
Not all TVs LG Support the same protocols. The table below shows the compatibility of the main technologies with popular series:
| Model/Series | Miracast | DLNA | Smart Share | Wi-Fi Direct |
|---|---|---|---|---|
| OLED C1/C2 (2021–2023) | ✅ (up to 4K@60Hz) | ✅ | ✅ | ✅ |
| NanoCell SM9x (2020–2023) | ✅ (up to 4K@30Hz) | ✅ | ✅ | ✅ |
| UK6x (2018–2019) | ✅ (up to 1080p) | ✅ | ✅ | ❌ |
| LJ5x (2017) | ❌ | ✅ | ✅ | ❌ |
| LB6x (2015, NetCast) | ❌ | ✅ | ⚠️ (basic features only) | ❌ |
If your model is not in the table, check its specifications on the website. LG or in the user manual. Please note that some features may be blocked depending on the region in which the TV is sold.
6. Solving typical connection problems
Even with proper configuration, your Wi-Fi connection may be unstable. Let's look at the most common errors and how to fix them:
Problem 1: The TV doesn't see the computer on the network
- 🔌 Check that the protocol is enabled on your router
Multicast(required for DLNA). It's usually enabled by default, but some providers disable it. - 📱 Make sure you don't have a VPN or proxy running on your PC, as they may block local device discovery.
- 🔄 Reboot your router: Sometimes the DHCP server "forgets" to assign the correct IP addresses.
Problem 2: Video stutters or cuts out
- 📶 Check your Wi-Fi speed: for Full HD you need at least
15 Mbps, for 4K -50 MbpsConnect to a 5 GHz network if your router supports it. - 🖥️ Close background programs on your PC, especially torrent clients or cloud sync services.
- 🔧 Enable it in your router settings
QoS(Quality of Service) and set the priority for media traffic.
Problem 3: No sound when mirroring your screen
- 🔈 On your PC, make sure your TV is selected as the playback device:
Settings → System → Sound → Output Device. - 🎵 If you are using Miracast, try changing the audio format to
Stereo(in the same settings). - 🔌 Reconnect your TV: Sometimes the audio driver freezes when you first connect it.
How to check Wi-Fi speed between PC and TV?
Download the utility iPerf3 to your computer and run it in server mode (iperf3 -s). Install the app on your TV. Network Speed Test (available in LG Content Store) and connect to your PC via local IP. If the speed is lower 10 Mbps, the problem is interference or weak signal.
7. Alternative connection methods
If your wireless connection is not fast or stable enough, consider alternative options:
1. HDMI connection with a Wi-Fi adapter
For models without built-in Wi-Fi (eg. LG 32LN540V) you can use an external adapter such as TP-Link TL-WN725N, connected via USB. After that, setting up DLNA or Miracast becomes possible. The main advantage is the low price (from 500 rubles), the disadvantage is the additional cable.
2. Google Cast (Chromecast)
If your TV supports Google Cast (available on models with webOS 4.0+), you can broadcast your PC screen via the Chrome browser:
- Open Chrome on your computer.
- Click
⋮ → Broadcast. - Select your TV LG from the list.
This solution is suitable for broadcasting browser tabs, but does not support duplicating the entire desktop.
3. Wired connection (Ethernet + HDMI)
For maximum stability, you can connect your PC and TV with a cable. HDMI, and to access files, use the local network EthernetThis method eliminates lag and is suitable for gamers or professional video editing.
8. FAQ: Frequently asked questions about connecting LG to a PC
My LG TV doesn't support Miracast. Are there any workarounds?
Yes, you can use an external adapter, for example Microsoft Wireless Display Adapter or AnyCast. Also check if your model supports it. Wi-Fi Direct — sometimes it works even without Miracast. For older TVs (pre-2015), the only reliable method is a wired HDMI connection.
Why is DLNA video lagging even though Wi-Fi speed is high?
The problem may be in the file format. TVs LG poorly play high bitrate files (for example, 4K HDR V HEVC). Try converting the video to MP4 (H.264) with a bit rate no higher 20 MbpsAlso, check if your TV's processor is overloaded by closing background apps.
Is it possible to connect a MacBook to an LG TV via Wi-Fi?
Yes, but not via Miracast (it is not supported by macOS). Use AirPlay, if your TV supports it (models with webOS 5.0+), or set up a DLNA server via Plex or Infuse. You can also use Google Cast, if you have the Chrome browser installed on your Mac.
How do I reset the network settings on my LG TV if the connection isn't working?
Go to Settings → General → Reset → Reset network settingsAfter this, the TV will forget all saved Wi-Fi networks, and you will have to reconnect. If the problem is with the router, try resetting its settings (button Reset on the back panel).
Do I need to update my TV firmware before connecting?
Recommended. New software versions often fix Wi-Fi compatibility issues and add support for modern protocols. You can update the firmware through the menu. Settings → Support → Software UpdateIf your TV isn't connected to the internet, download the firmware file from the website. LG and install it via USB.
If none of the methods worked, check if your internet service provider is blocking the connection (for example, some corporate networks turn off Multicast (For security reasons). In extreme cases, please contact support. LG indicating the TV model and version webOS - They can provide a specialized solution.