Modern technologies allow you to completely get rid of unnecessary wires, turning your living room into a real multimedia center. Wireless connection The connection between an Apple laptop and a South Korean TV has become a standard, accessible to every user. This opens up the possibility of watching movies, presenting work projects, or playing games on a large screen without having to run cables across the room.
Apple device owners often need to stream images, but they don't always know which method to choose. There are several data transfer protocols, each with its own characteristics, advantages, and limitations. AirPlay 2 provides the best quality, however older models may require the use of third-party apps or DLNA setup.
In this article we will examine in detail all the ways how sync devicesWe'll troubleshoot common connection issues. You'll learn how to set up screen mirroring, launch content directly from your browser, and optimize your network for stable, high-definition video streaming.
Preparation of equipment and network infrastructure
The first and most important condition for successful synchronization is that both devices are located on the same local network. Your router It should correctly distribute IP addresses and not block data exchange between ports. Make sure both the laptop and TV are connected to the same network, even if you have two (for example, 2.4 GHz and 5 GHz).
Please pay attention to the software version. LG TVs are equipped with the operating system webOS, which requires regular updates to support new encryption standards and codecs. Go to the settings menu and check for updates, as older firmware versions may not be supported by your MacBook.
⚠️ Note: If your router is configured for "Guest Network" mode, devices may not be able to see each other due to client isolation. For AirPlay or DLNA to work, you must use your main home network.
It's also worth checking your wireless connection speed. Streaming 4K video requires a stable connection with a minimum bandwidth of 25 Mbps. If the signal is weak, the image may stutter or disintegrate into artifacts.
Using Apple AirPlay 2 technology
The easiest and most native way is to use built-in support AirPlay 2Most LG models released after 2018 already have this protocol enabled out of the box. You don't need to install any additional software; simply activate the function in the TV menu.
To get started, go to your TV settings and find the section General or Connection and select the item Apple AirPlayMake sure the switch is set to "On." You should now see the Screen Mirroring icon in your MacBook's menu bar (or Control Center).
When you first connect, the security system will ask you to enter a code that will appear on the TV screen. This is standard procedure. verification, protecting your network from unauthorized access by third parties. After entering the code, devices will remember each other.
☑️ Check AirPlay readiness
If you're not satisfied with the image quality, you can change the output settings. In the AirPlay settings on your Mac, select the resolution and frame rate. For movies, the lowest latency mode is best, while for work, the mode that prioritizes text clarity is best.
Streaming via browser and DLNA
If native AirPlay support doesn't work for some reason, or your TV model is an older generation, technology comes to the rescue DLNAThis standard allows for the transmission of multimedia content over a local network without the need to duplicate the entire laptop screen.
To implement this method, you'll need a media server. macOS already has basic media sharing functionality built in, but for LG TVs, it's easier to use specialized apps or built-in browser tools. Open the video file in Safari or Chrome and look for the cast icon.
An alternative option is to use an app LG TV Plus Or the built-in player. You can share a folder of movies on your MacBook so the TV sees it as a network resource. To do this, enable "Media Sharing" in the "Sharing" section of macOS System Preferences.
| Protocol | Image quality | Delay | Format support |
|---|---|---|---|
| AirPlay 2 | High (up to 4K HDR) | Minimum | HEVC, H.264, AAC |
| DLNA | Depends on the codec | Average | MP4, MKV, AVI |
| Browser Cast | Average | High | WebM, MP4 |
| Third-party Apps | Customizable | Low | All popular |
Using DLNA is especially useful if you simply need to play a movie stored on your hard drive and don't want to overload your laptop's processor by completely duplicating your desktop. This saves battery life and system resources.
Why might DLNA not work?
The DLNA protocol is sensitive to encoding formats. If the TV doesn't support a specific audio codec (for example, DTS), the video may play without sound or not at all. In such cases, converting the file or installing a third-party player on the TV can help.
Third-party screen mirroring apps
In situations where standard tools fail, third-party utilities come to the rescue. Software like LetsView, AirBeamTV or Reflector It is installed both on a computer and (sometimes) on a TV, creating a bridge between different ecosystems.
These apps often offer advanced functionality, such as screen recording, the ability to control the TV from a Mac keyboard, and aspect ratio adjustments. They are especially useful for older LG models that don't support AirPlay 2 hardware.
Installing this software usually doesn't require complicated configuration. After launching the program on your MacBook, it will automatically scan the network and offer a list of available devices. Select your TV from the list and click the connect button.
It's worth keeping in mind that free versions of such programs may have session time limits or apply watermarks to images. For ongoing use, it's worth considering purchasing a license that also includes technical support.
⚠️ Warning: When using third-party software, make sure you download it from the developer's official website. Clone programs may contain malicious code or miners that will slow down your MacBook.
Adjusting display and sound settings
Once the connection is successful, it's important to configure the display output correctly. macOS allows you to flexibly manage display settings. Go to System Preferences → Displaysto change the resolution or refresh rate.
A common situation is when the image doesn't fill the entire screen or, conversely, is cut off at the edges. On LG TVs, this can be resolved using the remote: press the picture settings button (often marked with a gear or three dots) and find the setting. Format or Just ScanSelect "Original" or "Scan Only" mode.
As for audio, it may remain on the laptop by default. To switch the audio stream to the TV speakers, click the sound icon in the Mac menu bar and select your device from the list of output devices. LG TVThis will provide surround sound if the TV is connected to a soundbar or has a good speaker system.
Solution and troubleshooting
Even with proper setup, issues may still occur. If your MacBook doesn't detect your TV, try rebooting your router. This simple action often clears the DNS cache and resolves IP address conflicts that prevent devices from being detected.
Another common issue is audio and video desync. This often occurs when the Wi-Fi channel is overloaded. Try switching your router to a less congested frequency (for example, from 2.4 GHz to 5 GHz) or move the devices closer together.
If the problem persists, check your Mac's firewall settings. Sometimes antivirus software or macOS's built-in security blocks incoming connections from the TV. Temporarily disable the security to test this.
In some cases, creating a new Wi-Fi network can help. If you have a dual-band router, make sure both devices are connected to the same frequency, although modern routers can correctly route traffic between bands (using the Smart Connect feature).
Why isn't my LG TV showing up in the AirPlay list?
Most often, the cause is that the devices are on different subnets or client isolation is enabled on the router. Also, check if the TV firmware needs updating via the "General → About TV → Check for Updates" menu.
Is it possible to connect a MacBook to a TV without Wi-Fi?
A wireless connection is impossible without a Wi-Fi network (router), as it acts as an intermediary. However, you can use a direct cable connection via an HDMI adapter, which will ensure maximum stability and quality, but will limit your mobility.
How to reduce latency when gaming via AirPlay?
For gaming, use the "Game" mode in your LG TV's picture settings, which disables unnecessary image post-processing. Also, make sure there's a clear line of sight between your MacBook and the router, preferably on the 5 GHz band.
Is the audio transmitted via Bluetooth if the video is streamed via Wi-Fi?
No, when using AirPlay or DLNA, audio is transmitted along with the video stream via Wi-Fi. Bluetooth is not involved in this setup, ensuring better synchronization and audio quality.