How to Mirror Your Laptop to an LG TV via Wi-Fi: A Complete Guide

Do you want to stream a movie, presentation, or game from your laptop to a big screen? LG Smart TV, but don't know how to do it wirelessly? Wireless connection via Wi-Fi — a convenient way to duplicate or extend a screen, but users often encounter problems: the TV doesn't detect the laptop, the image lags, or there's no sound at all. In this article, we'll cover all the current connection methods, from built-in technologies Miracast And DLNA to third-party applications, and we'll also find out why LG Your laptop may not be seen and how to fix it.

It is important to understand that the connection algorithm depends on the TV model (series) OLED, NanoCell, QNED or budget LED), laptop operating system (Windows 10/11, macOS, Linux) and even firmware versions webOSWe'll focus on universal solutions that work on most devices, but for rare cases, we'll provide links to official manuals. If your TV was released before 2018, some features (e.g., AirPlay 2) may be absent - we will also talk about this.

Before you begin, please check two key conditions:

• 📶 The laptop and TV are connected to one Wi-Fi network (or the router supports Wi-Fi Direct).
• 🔄 The TV is in the "Standby" mode. Screen Share (on the menu Settings → Connection → Screen Mirroring).

1. Connecting via Miracast (Screen Mirroring) is a universal method for Windows

Miracast — is a wireless image transmission standard supported by most modern LG Smart TV (starting from webOS 3.0) and laptops on Windows 8.1/10/11The main advantage is minimal delays (up to 30 ms), which is critical for games or videos. However, there are some nuances: the TV and laptop should be no more than 10 meters, and the router must support the standard 802.11ac (or Wi-Fi 5).

To activate Miracast on TV LG:

1. Click the button Home on the remote control → select Settings (⚙️) → Connection → Screen mirroring (Screen Share).
2. Enable the option and wait until the TV starts searching for devices.

On a laptop with Windows 11:

1. Click Win + K → select your TV LG from the list.
2. If the device is not displayed, check if your laptop supports it. Miracast: open Settings → System → Display → Advanced display settings and find the line "Wireless display".

Critical feature: On laptops with processors Intel On 7th generation and older (2017 and newer) Miracast works reliably, but on older devices it may require updating the Wi-Fi adapter drivers.

Laptop and TV on the same Wi-Fi network | Screen Share enabled on LG | Wi-Fi adapter drivers updated | Distance between devices ≤ 5 m -->

⚠️ Attention: If the image flickers or lags after connecting, try reducing the laptop screen resolution to 1920×1080 or disable background applications that consume traffic (for example, Torrent or cloud synchronization).

2. Using DLNA and LG Smart Share for media files

If you need to broadcast only video, music or photos (and not the entire screen), the technology will do DLNA, implemented in LG How Smart ShareUnlike Miracast, there is no mirroring here - you simply send the file for playback over the local network. This method works even on older TV models (with webOS 2.0) and does not require high-speed Wi-Fi.

Instructions for Windows:

1. Install the program LG Smart Share (you can download it from official LG website).
2. Turn on Smart Share on TV: Settings → Network → Smart Share.
3. In the program on your laptop, select the file and send it to the TV.

For macOS or Linux You can use alternatives:

• 🍎 VLC Player (on the menu Playback → Playback Device → LG TV).
• 🐧 Kodi with plugin UPnP/DLNA.

⚠️ Attention: LG Smart Share does not support formats .mkv with codec HEVC (H.265) on TVs older than 2019. For such files, use VLC or convert video to .mp4 (H.264).

3. AirPlay 2 for Apple owners and others

If you have a laptop MacBook or iMac, and the TV LG released after 2019 (since webOS 4.0+), can be used AirPlay 2This technology allows you to broadcast a screen with a delay of only 50–100 ms and supports Dolby Atmos for sound. The main advantage is a stable connection even with a weak Wi-Fi signal.

How to connect:

1. On TV: Settings → General → Apple AirPlay → Turn on.
2. On Mac: open Control Center → Screen Mirroring and choose yours LG TV.

For Windows third-party software will be required:

• 🪟 5KPlayer (free player with AirPlay support).
• 🪟 ApowerMirror (paid version for screen mirroring).

4. Alternative mirroring programs (if nothing works)

If the built-in methods don't work, use universal programs. They are suitable for all models. LG (including older ones) and operating systems. The downside is that delays may occur up to 200–500 ms, which is critical for dynamic content (games, sports).

Top 3 verified apps:

• 🖥️ ApowerMirror - supports screen recording and control from TV (paid version - ~$30/year).
• 🎮 Steam Link - optimized for games (free, but requires installation) Steam on the laptop).
• 📺 LetsView - simple interface, works without registration (delay ~150 ms).

Instructions for LetsView:

1. Download the program to your laptop and install it. LetsView to TV via LG Content Store.
2. Connect both devices to the same Wi-Fi network.
3. On your laptop, enter the PIN displayed on the TV screen.

5. Solving common problems

Even with proper setup, Wi-Fi connections can still experience issues. Let's look at common issues and how to fix them.

Problem 1: TV LG can't find the laptop.

• 🔌 Check if it is enabled Wi-Fi Direct on TV (Settings → Network → Wi-Fi Direct).
• 🔄 Reboot your router - sometimes the DHCP server doesn't assign IP addresses correctly.
• 🛠️ Update the Wi-Fi adapter driver on your laptop (especially relevant for Realtek And Broadcom).

Problem 2: Sound is transmitted, but image is not (or vice versa).

• 🔊 In the settings Miracast on the laptop, select Screen only instead of Duplicate.
• 🎵 Make sure the correct audio source is selected on your TV (HDMI ARC or Internal speakers).

Problem 3: Lags and stutters when watching videos.

• 📶 Switch your router to a different range 5 GHz (less interference than on 2.4 GHz).
• 🖥️ Close programs that use the Internet (for example, Zoom or Discord).
• 📦 Reduce video resolution to 1280×720 (if you are looking at local files).

⚠️ Attention: On TVs LG series UK6300 and older (2018) when connecting via Miracast there may be no sound through HDMI ARCIn this case, use external speakers or Bluetooth headphones.

6. Optimize your Wi-Fi network for stable streaming

The quality of wireless image transmission directly depends on the router settings. If your LG TV and the laptop are connected to the same network, but the connection keeps dropping, follow these steps:

Step 1: Select a stripe 5 GHz for TV:

• Go to your router's control panel (usually at 192.168.0.1 or 192.168.1.1).
• In the section Wi-Fi activate 5 GHz and give the network a unique name (for example, MyNetwork_5G).
• Connect your TV and laptop to this network.

Step 2. Enable QoS (Quality of Service):

• Find it in your router settings QoS or Traffic priority.
• Add the TV's MAC address to the priority devices.
• Set the maximum bandwidth for multimedia traffic.

Step 3: Check your Wi-Fi channel:

• Use the app Wi-Fi Analyzer (For Android) or NetSpot (For Windows/macOS) to find the least congested channel in the range 5 GHz.
• Manually set this channel in the router settings (avoid automatic selection).

7. Wired connection as a backup option

If all attempts to connect via Wi-Fi have failed and you urgently need to stream content, use HDMI cable or USB-C to HDMI adapter (for modern laptops). This ensures a stable image without lag or sound issues.

Advantages of a wired connection:

• 🎮 Delay <10 ms (ideal for gaming).
• 📺 Support 4K@60Hz And HDR.
• 🔌 Does not depend on the quality of the Wi-Fi network.

How to connect:

1. Connect your laptop and TV LG cable HDMI (the port is usually signed as HDMI 1/ARC or HDMI 2).
2. On a laptop, press Win + P and select the mode Duplicate or Expand.
3. On your TV, select the signal source: Home → Sources → HDMI.

If there is no port on the laptop HDMI, use adapters:

• 🔌 USB-C → HDMI (For MacBook, Dell XPS, HP Spectre).
• 🔌 Mini DisplayPort → HDMI (for older models Lenovo ThinkPad).

FAQ: Frequently asked questions about connecting a laptop to an LG TV

sudo apt install gnome-network-displays