Using a large TV screen to watch computer content is a standard practice for modern users, providing a comfortable and immersive experience. If you own an Apple device and an LG TV, you're in luck: the ecosystems of these brands work seamlessly together without the need for additional set-top boxes. Built-in support for this technology AirPlay 2 Most new LG models allow you to stream images and sound directly using only your home Wi-Fi network.
However, the process doesn't always go perfectly on the first try, especially if the devices are on different subnets or have outdated software. In this article, we'll cover all the current methods for connecting your MacBook or iMac With your TV, we'll look at alternative methods for older models and solve common connection stability issues. You don't need HDMI cables or complicated adapters if you set up your network connection correctly.
Before proceeding with any specific steps, it's important to ensure your equipment is technically ready to work in wireless broadcast mode. Modern LG smart TVs operate on the platform webOS, which has built-in media reception protocols. This means all you need to get started is a stable router and a few simple macOS menu commands.
Technical requirements and device compatibility testing
The foundation of a successful connection is the TV's support for the AirPlay 2 protocol, which Apple integrated into its partner programs several years ago. Most LG models released after 2018 and equipped with WebOS 4.0 or higher have this feature out of the box. If you have an older model, it may still support the standard. DLNA or Miracast, but the functionality will be limited compared to Apple's native protocol.
It's crucial that both devices are on the same local network. The router must broadcast a signal on the 5 GHz frequency to ensure sufficient throughput, especially if you plan to stream 4K video. Using the 2.4 GHz band can cause lag and image artifacts, as this channel is often congested by neighboring networks.
⚠️ Attention: If your router uses the "Client Isolation" feature, devices won't see each other even if they're on the same network. This option must be disabled in your router settings.
It's also worth checking the operating system version on your computer. For stable operation, macOS Mojave (10.14) or later is recommended, as earlier versions handle external displays differently. Be sure to check for the latest firmware updates on your TV, as manufacturers often fix compatibility issues through software updates.
Setting up AirPlay 2 on an LG TV
The first step to activating wireless communication is to properly configure the receiving device. You need to take the remote Magic Remote and go to the main TV settings menu. Typically, the path looks like this: press the settings button (gear), select All settings, then go to the section Connection or General, where is the point Apple AirPlay.
In the AirPlay menu, make sure the feature is enabled (the slider should be green or blue). You can also configure security settings here: you can choose to require a code every time you connect or only allow previously used devices to connect. For home use, it's convenient to set the "No code required" or "Once" mode to avoid entering numbers each time.
If you don't see AirPlay in the menu, it may mean your TV model doesn't support it natively. In this case, don't despair: there are software emulators that can be installed directly on your TV through the LG Content Store. Apps like TV Assist or third-party solutions from AirScreen This problem is often solved by adding the missing protocol.
Once enabled, the TV will enter signal standby mode. The screen may turn off or display the AirPlay logo. The system is now ready to search for signal sources on your local Wi-Fi network.
Instructions for connecting a MacBook to an LG TV
Now let's move on to setting up the signal source. Make sure that your MacBook connected to the same Wi-Fi network as the TV. Open system settings and find the section Displays (In older versions of macOS, it may be called "Monitors"). An "Add Display" button should appear on the right side of the window or in the menu bar (the icon with two rectangles).
Click the AirPlay icon in the menu bar. If everything is configured correctly, your LG TV will appear in the list of available devices. When you select it as your primary or secondary display, your Mac desktop will instantly appear on the larger screen. You can choose to mirror (copy) or extend your desktop.
☑️ Check before connection
For more detailed resolution and frame rate adjustments, return to the Display settings. Here you can select the refresh rate: for dynamic content, it's best to select 60 Hz, while for static work with text, the following will do 30 Hz, which will reduce the load on the wireless channel. Interface scaling can also be adjusted here, so text on the TV is readable from the couch.
⚠️ Attention: When using "Extend Screen" mode, the mouse cursor may behave unusually. The display layout in macOS settings should physically correspond to the TV's position relative to the laptop (left, right, or top).
Using an external keyboard and trackpad makes cursor control on the TV intuitive. However, keep in mind that input lag will always be higher over Wi-Fi than over a wired connection, so this method may not be suitable for fast-paced shooters.
Alternative broadcast methods for older models
Owners of LG TVs released before 2018, or users experiencing compatibility issues, shouldn't give up on wireless connectivity. There's a proven protocol-based method. DLNA, which is supported by almost all Smart TVs. Implementing this method on a Mac requires third-party software, as macOS does not have a built-in DLNA video server.
One of the most reliable solutions is to use media server applications such as VLC Media Player or specialized utilities like BeamerThe program creates a virtual device on the network that the TV sees as a video source. You open the file on your computer, select "Stream," and select your LG TV.
Another option is to use browser extensions or the TV's web interface. Many LG models allow you to enter IP addresses or connect to local servers through the built-in browser. While this method is less convenient for mirroring the entire screen, it's great for viewing video files stored on your Mac's hard drive.
| Connection Method | Image Quality | Latency | Software Required on Mac |
| :--- | :--- | :--- | :--- |
| AirPlay 2 (Native) | High (up to 4K HDR) | Low | None (built into macOS) |
| DLNA (Via VLC) | High (depending on file) | Medium (buffering) | Yes (VLC or similar) |
| Third-party applications | Medium/High | High | Yes (Beamer, AirBeamTV) |
| HDMI cable | Maximum | Absent | No |
Why is AirPlay better than DLNA?
AirPlay doesn't just transmit a file, but a streaming signal with the ability to control playback with the TV remote. DLNA often only works as a "file sender," and the TV remote may not control volume or pause.
The method you choose depends on your goals: DLNA is suitable for watching movies from a hard drive, but for presentations or games, it’s better to try to get AirPlay working or use a cable.
Using specialized software for broadcasting
If the built-in tools are unstable, third-party applications that optimize video streaming come to the rescue. Programs like AirBeamTV or Reflector They create a virtual display driver on the computer that compresses the video stream with a more efficient codec before sending it to the TV. This reduces the load on the Wi-Fi channel and reduces the number of freezes.
These programs often have their own bitrate adjustment interface. If the image is blocky, you can manually reduce the streaming quality in the program settings, sacrificing clarity for smoothness. This is especially important if the router is located far from the TV or computer.
Some apps also allow you to stream audio separately if your TV doesn't play audio through the video channel. This is a common issue when using older protocol versions. In this case, you'll need to select the virtual output device created by the app in the macOS sound settings.
It's important to ensure that your Mac's antivirus or firewall isn't blocking incoming connections for these programs. When you first launch the app, the system will ask for permission to access the local network—you'll need to confirm this.
Diagnosis and solution of typical problems
Even with a perfect setup, issues may arise: the TV isn't visible in the list, the image is choppy, or there's no sound. First, try rebooting both devices and the router. Simply resetting the DNS cache and network tables often resolves the issue of devices not being visible.
If the problem is intermittent video, check your wireless channel usage. Download a Wi-Fi analyzer utility on your Mac and see if your frequency is being used by neighbors. Switching your router to a different channel or using the 5 GHz band (if your devices are far from the router, 2.4 GHz may be more stable but slower) can make a big difference.
⚠️ Attention: Interfaces and menu item names may vary depending on the webOS version and TV year. If you can't find an exact match, look for synonyms in the "Device Support" or "Network" sections.
It's also worth checking your Energy Saver settings. Sometimes the Mac goes to sleep and disconnects. In Energy Saver settings (System Preferences → Energy Saver) Make sure that the "Prevent the computer from going to sleep when the display is off" box is checked if you are using the TV as your main display.
Optimizing image and sound quality
To achieve the best picture, it's important to properly configure the output settings. In the Display settings on your Mac, select the color profile that matches your TV (usually an HDTV or a specific LG model). This will improve color reproduction and contrast.
AirPlay transmits audio in a lossless digital format, but if you use third-party apps, the quality may degrade. In the sound settings (Audio MIDI settings) You can check the sampling frequency. For movies, 48 kHz is optimal, and for music, 44.1 kHz or higher.
If you use a TV to work with text, be sure to enable font smoothing and select the appropriate resolution. TVs have a lower pixel density than Retina displays, so text may appear grainy. Increasing the macOS interface scale to 150-200% will make working with text more comfortable.
Frequently Asked Questions (FAQ)
Why doesn't my Mac see my LG TV in the AirPlay list?
Most likely, the devices are on different subnets (for example, one is connected to a guest Wi-Fi network and the other to the main network) or client isolation is enabled on the router. Also, check whether the macOS firewall is blocking incoming connections.
Is it possible to connect a Mac to an LG TV without Wi-Fi?
Without Wi-Fi, native AirPlay won't work. The only options are to use an HDMI cable (with an adapter for newer Macs) or create a hotspot on your phone to which both devices can connect, but this will use up your mobile data.
Why is there no sound when broadcasting video?
Check your audio output device in macOS. Click the speaker icon in the menu bar and make sure your LG TV is selected, not your MacBook speakers. Sometimes you need to switch the audio source after you've already started streaming.
Does connecting a Mac affect internet speed?
Yes, video streaming, especially in 4K, consumes a significant amount of Wi-Fi bandwidth. If your router is weak or the channel is overloaded, internet speeds on other devices may drop.
Do all LG models support AirPlay 2?
No, only 2018 and newer models (OLED, NanoCell, and UHD series) are supported. Older models require third-party apps from the LG Content Store or media players.