How to Connect a Mac to a TV via Wi-Fi: A Complete Guide with Troubleshooting

Wireless screen sharing with Mac to a TV via Wi-Fi is a convenient way to show a presentation, watch a movie on a big screen, or play games without an HDMI cable. However, not everyone knows that there are several technologies for this: from standard AirPlay to universal DLNA or MiracastThe choice of method depends on the model of your Mac (For example, MacBook Pro M1 or iMac 2019), operating system (macOS Sonoma or older) and TV capabilities (Samsung QLED, LG OLED, Sony Bravia and others).

In this article, we will look at all current connection methods, including hidden settings. macOS, which allow you to bypass manufacturer restrictions. You'll learn how to set up lag-free streaming, why the image may slow down, and what to do if your TV can't see it. Mac online. And for owners of older models, there's a separate section with workarounds.

1. Connect via AirPlay (for Apple TV and compatible Smart TVs)

AirPlay - proprietary technology Apple, which allows you to broadcast your screen Mac on TV with Apple TV or supported models Smart TV (For example, Samsung With 2018+, LG With WebOS 4.0+). This is the most reliable method with minimal latency, but it requires compatible hardware.

To start broadcasting:

• 📱 Make sure that Mac and the TV are connected to one Wi-Fi network (not to the guest!).
• 🖥️ On Mac open Control Center (icon in the upper right corner) → Screen mirror.
• 📺 In the list of devices, select your TV or Apple TV.
• 🔒 When connecting for the first time, you may be asked to enter the code from the TV screen.

If your TV does not appear in the list, check:

• ⚙️ Is the function enabled on the TV? AirPlay (in network or screen mirror settings).
• 🔄 Restart your router - sometimes devices can't see each other due to problems with the local network.
• 📡 Make sure the protocol is enabled on your router Multicast (needed to detect devices).

Devices on the same Wi-Fi network | AirPlay enabled on TV | macOS and TV firmware updated | Router supports Multicast-->

Important: On Samsung TVs, AirPlay only supports resolutions up to 1080p, even on 4K models. An HDMI cable is required for Ultra HD streaming.

2. Using DLNA/UPnP to transfer media files

If you don't need to duplicate your screen, but just transfer movies, music, or photos, the protocol will do DLNA (or UPnP). It works on most Smart TV and doesn't require any additional hardware. However, DLNA doesn't stream the entire screen—only individual files.

Instructions for macOS:

1. Install a media server program, for example, Plex, Kodi or VLC (for free).
2. In the program settings, specify folders with media files (movies, photos, music).
3. On your TV, open the app Media player, Photo or Music and choose yours Mac as a source.

Advantages of DLNA:

• 🎬 Supports almost all video formats (including MKV, MP4, AVI).
• 📂 You can stream files without duplicating the entire screen (saves resources) Mac).
• 🔌 Works even on older TVs with DLNA 1.5.

Flaws:

• ❌ There is no sound when broadcasting some formats (for example, AC3 on Sony Bravia).
• ⏳ Delays may occur when playing high-bitrate files.

Plex|VLC|Kodi|Other|Don't use-->

3. Miracast: A universal solution for Windows and Android TV

Miracast — a wireless screen sharing standard supported by most modern TVs (LG, Sony, Xiaomi) And Mac on chips Intel (but not on Apple Silicon!). Unlike AirPlay, it is not tied to the ecosystem Apple, but requires additional settings.

How to connect:

1. Turn on the TV Miracast (usually on the menu Network → Screen Mirror).
2. On Mac install the program AirParrot 3 or Reflector (paid, but there is a trial).
3. In the program, select your TV and start broadcasting.

Restrictions:

• 🚫 On Mac with M1/M2 chip Miracast isn't working without additional workarounds (needed Windows through Parallels or Boot Camp).
• 🎮 Latency can reach 100–200 ms – not suitable for gaming.

Why doesn't Miracast work on Macs with Apple Silicon?

The M1/M2 chips do not support hardware encoding of H.264 video for Miracast. Apple blocks this at the driver level to push users toward AirPlay and Apple TV.

4. Connecting via Google Cast (Chromecast and Android TV)

If you have a TV on Android TV or connected Google Chromecast, can be used Google CastThis method allows you to broadcast your screen. Mac via browser Google Chrome or special applications.

Step-by-step instructions:

1. Connect Chromecast to the TV and set it up through the app Google Home on a smartphone.
2. On Mac open Google Chrome and press ⋮ → Broadcast.
3. Select Broadcast tab or Broadcast your screen.
4. Confirm connection to Chromecast.

Problems and solutions:

5. Workarounds for Old Macs and TVs

If your Mac or if your TV doesn't support modern standards, there are several ways to bypass the restrictions:

Method 1: Using a TV set-top box

• 📦 Buy an inexpensive console (Xiaomi Mi Box, Nvidia Shield) and connect it to your TV via HDMI.
• 🔗 Set up a broadcast via Google Cast or DLNA (see sections above).

Method 2: Wired connection with an adapter

• 🔌 If Wi-Fi is slow, use an adapter USB-C/Thunderbolt → HDMI (For example, Anker 8K).
• 💻 For MacBook Air If you don't have an HDMI port, an adapter will do. USB-C → HDMI.

Method 3: Remote access programs

• 🖥️ Install TeamViewer or AnyDesk on Mac and TV (if it has one) Android TV).
• 🔄 The delay will be higher, but this will allow you to control Mac from the remote control.

6. Troubleshooting connection issues

If Mac If the TV doesn't see it or the broadcast is interrupted, check:

Problem: No picture, but there is sound

• 🔍 Check your screen resolution: go to System Preferences → Monitors and select a resolution supported by your TV (for example, 1920×1080 instead of 4K).
• 🔄 Restart the broadcast or reconnect to Wi-Fi.

Problem: Video lag

• 📶 Switch to the network 5 GHz (less busy than 2.4 GHz).
• 🎮 If you are playing, reduce the broadcast resolution to 720p.

Problem: TV does not appear in the list of devices

• ⚙️ Turn on the TV mode Screen Mirroring or Wi-Fi Direct.
• 🔧 Update your TV firmware and macOS to the latest version.

⚠️ Attention: On some TVs Samsung function AirPlay The network connection is disabled after a firmware update. To restore it, reset the TV's network settings to factory defaults.

7. Comparison of connection methods: which one to choose?

Each method has its pros and cons. Below is a comparison table for quick selection:

For most users, the best choice is:

• 🍎 AirPlay - if there is Apple TV or compatible Smart TV.
• 🌐 Google Cast — for owners Android TV or Chromecast.
• 🔌 HDMI — if you need maximum stability (games, 4K video).

FAQ: Frequently Asked Questions

Can I connect a Mac to a TV without Wi-Fi?

Yes, there are three ways:

1. Through HDMI cable (need adapter for MacBook without HDMI).
2. Through USB-C/Thunderbolt (if the TV supports DisplayPort Alt Mode).
3. Through Ethernet (if TV and Mac connected to the router with a cable).

Why is there no sound when streaming via AirPlay?

The problem may be:

• Sound settings on Mac (check System Preferences → Sound → Output).
• Restrictions DRM (For example, Netflix or Apple TV+ block audio transmission via AirPlay).
• Outdated TV firmware (update software).

Solution: Try streaming audio through Bluetooth- a speaker connected to a TV.

How to cast your Mac screen to a 4K TV?

For broadcast in 4K:

• Use AirPlay 2 on Apple TV 4K or compatible Smart TV.
• Connect via HDMI 2.0 (For 4K@60Hz).
• Make sure that on Mac scaling is enabled in System Preferences → Monitors.

Wi-Fi broadcasting in 4K is only possible with:

• Router with support Wi-Fi 6 (802.11ax).
• Connection speeds not lower 300 Mbps.

Can I play wirelessly from my Mac to my TV?

Technically yes, but with some caveats:

• 🎮 AirPlay: latency ~30–50 ms (suitable for strategies, but not for shooters).
• 🖥️ Miracast: latency ~100–200 ms (not suitable for dynamic games).
• 🔌 HDMI: no lag (ideal for gaming).

For games it is recommended:

• Use wired connection.
• Select resolution 1080p@60Hz (less lag than 4K).
• Disable background processes on Mac (through System monitoring).

How do I connect my Mac to my TV if my router doesn't support Multicast?

If your router does not support Multicast (needed for AirPlay And DLNA), there are workarounds:

1. Connect Mac and the TV to the router via Ethernet (if there are ports).
2. Use access point on your smartphone (turn on Modem mode on iPhone or Android).
3. Buy a router with support IGMP Snooping (For example, TP-Link Archer AX6000 or Asus RT-AX88U).

You can also try turning it on AP Isolation in the router settings (sometimes helps).