Wirelessly transfer images from your laptop to a large TV screen via Wi-Fi — a convenient way to give presentations, watch movies, or play games without the hassle of wires. However, not everyone knows that you don't need to buy additional adapters for this: modern Smart TV And operating systems already support this feature out of the box. The main thing is to set up the connection correctly and choose the optimal method depending on your hardware.
In this article we will look at all the current methods screen projection
via Wi-Fi, including built-in tools Windows 11/10, macOS, as well as solutions for TVs on Android TV, webOS (LG) and Tizen (Samsung). We'll cover typical errors that interfere with stable streaming and provide recommendations for improving picture quality. If you've previously encountered image lag or connection drops, you'll find practical troubleshooting tips here.Before you begin setting up, make sure your TV and laptop are connected to one Wi-Fi networkThis is a requirement for most methods. Also check if yours supports it. Smart TV technology Miracast (for Windows) or AirPlay (for macOS/iOS) - the choice of connection method depends on this.
1. Screen sharing methods depending on OS and TV model
The choice of projection method depends on the combination laptop operating system And TV software platformBelow is a compatibility table with brief recommendations:
| Laptop OS | TV platform | Recommended method | Is additional software required? |
|---|---|---|---|
| Windows 10/11 | Android TV, Google TV | Miracast or Google Cast |
No (built-in) |
| Windows 10/11 | Samsung Tizen | Screen Mirroring (through Smart View) |
No |
| macOS | LG webOS, Sony Bravia | AirPlay 2 |
No |
| Any OS | Any Smart TV | Applications ApowerMirror, TeamViewer | Yes |
If your TV was released before 2018, there may be limitations on the supported protocols. For example, older models Samsung (series J And K) may not work with Miracast through built-in Windows tools. In such cases, third-party software or HDMI adapter (For example, Google Chromecast).
⚠️ Warning: On TVs LG With webOS versions below 4.0 functionScreen ShareA cable connection may be required for initial Wi-Fi module setup. Check the software version in the menu.Settings → General → TV Info.
2. Projecting from Windows 10/11 to Smart TV via Miracast
Miracast — is a wireless screen sharing standard built into Windows 8.1 and later. It works without an internet connection, creating a direct connection between a laptop and TV via Wi-Fi Direct. The main requirement is that both devices support this protocol.
To enable projection:
- Activate the mode on your TV
Screen Mirroring(the name may differ:Wireless Display,Miracast,Smart View). This option is usually found in the menu.Settings → Networks → Screen Mirroring. - On a laptop, press
Win + K(or openSettings → System → Project to this PC). - Select your TV's name from the list of available devices. If it's not there, update the Wi-Fi adapter drivers on your laptop.
If your connection is interrupted or the image is slow, try:
- 🔄 Reboot the router and both devices.
- 📶 Switch Wi-Fi frequency
5 GHz(less interference). - 🖥️ Reduce laptop screen resolution to
1920×1080in the display settings. - 🔌 Connect your laptop to a power source (saving power may reduce Wi-Fi performance).
Update your Wi-Fi adapter driver|Disable VPN and firewalls|Make sure your TV and laptop are on the same network|Put your TV into Miracast standby mode-->
On Samsung TVs from 2022–2026, Miracast may conflict with the proprietary Smart View technology. If the screen doesn't project, disable Smart View in the TV settings and try connecting again.
3. Using Google Cast (Chromecast) for Android TV
If your TV is running on Android TV or Google TV (For example, Sony Bravia, Xiaomi Mi TV, Nvidia Shield), the most reliable way is technology Google CastIt allows you to not only mirror your screen, but also broadcast individual browser tabs or media files.
Instructions for Windows:
- Install a browser Google Chrome on a laptop.
- Open the Chrome menu (three dots in the upper right corner) →
Broadcast. - Select
Broadcast your desktopand indicate your TV in the list of devices.
For macOS:
- Download the extension Google Cast for browser Safari or use Chrome (similar to Windows).
- Alternative: app AirParrot (paid, but supports
AirPlayAndChromecastsimultaneously).
⚠️ Note: When streaming via Chrome, there may be an audio delay of up to 2 seconds. To synchronize audio and video, enable the option in Chrome settings. Sync with device (available in the broadcast menu).
4. AirPlay for macOS and iOS: Connecting to LG, Sony, and Samsung
For device owners Apple The easiest way is to use the protocol AirPlay 2, which is supported by most modern Smart TV (since 2019). This technology ensures minimal latency and highly stable connections.
How to set up:
- On your TV, turn on AirPlay in the menu:
- For LG webOS:
Settings → General → AirPlay. - For Sony Bravia:
Settings → Networks → AirPlay & HomeKit. - For Samsung Tizen (2020+ models):
Settings → General → Apple AirPlay.
- For LG webOS:
Control Center → Screen mirroring and select your TV.If your TV doesn't support AirPlay out of the box, you can use Apple TV (set-top box) or third-party applications like AirScreen (installed on Android TV).
How to fix the "Unable to connect to AirPlay" error
Check that the setting is enabled on your TV. Allow everyone on the same network (in the AirPlay settings). If you're using a VPN on your Mac, disable it. Also, try rebooting your router—sometimes the DHCP server assigns incorrect IP addresses for multicast broadcasts.
5. Universal solutions: applications for any device
If built-in tools don't work (for example, on older TV models or incompatible operating systems), third-party software can help. Here are the top three proven apps:
- 🖥️ ApowerMirror - supports
Miracast,AirPlayand live IP streaming. There is a version for Windows/macOS and mobile devices. The free version limits the resolution to720p. - 🌐 TeamViewer QuickSupport - allows you not only to project the screen, but also to control the laptop from the TV (if the TV is installed) Android TV).
- 🎮 Steam Link — optimized for streaming games from PC to TV with minimal latency (requires a powerful router).
For setup ApowerMirror:
- Install the application on your laptop and TV (if on TV Android TV).
- Connect both devices to the same Wi-Fi network.
- On your laptop, enter the TV's IP address (displayed in the TV app).
- Select mode
MirroringorScreen expansion.
⚠️ Attention: When using third-party applications for broadcasting games (for example, Steam Link) input lag can reach 50–100 ms. To reduce lag, connect your laptop to the router via cable.Ethernet, and leave the TV on Wi-Fi5 GHz.
6. Optimize your Wi-Fi network for stable streaming
The quality of projection directly depends on speed and stability of Wi-Fi connectionIf the image is choppy or slow, follow these steps:
- 📡 Switch the router to a different channel
5 GHz(less busy than2.4 GHz). In the router settings (usually192.168.1.1) select manual mode and a channel with minimal interference (for example, 36 or 149). - 🔗 Turn on the mode
WMM (Wi-Fi Multimedia)in the router settings - it prioritizes multimedia traffic. - 📉 Limit the number of devices connected to the network (especially those using torrents or online games).
- 🔄 Update your router firmware (relevant for models TP-Link, Asus, Keenetic).
To check the current connection speed between your laptop and TV:
- On your laptop, open
Command line(Win + R→ entercmd). - Run the command:
ping [TV IP address] -n 50If packet loss (>5%) or latency (>30ms) is high, there is a problem with the network.
7. Solving common problems
Even with proper setup, errors can still occur. Here are the most common ones and how to fix them:
| Problem | Possible cause | Solution |
|---|---|---|
| The TV does not appear in the list of devices | Disabled Wi-Fi Direct or Miracast on TV |
Turn on the mode Screen Mirroring manually on the TV remote control |
| The image is slow or choppy. | Weak Wi-Fi signal or network congestion | Switch to 5 GHz, disconnect other devices from the network |
| No sound during broadcast | The wrong audio device is selected in Windows settings. | Click Win + I → System → Sound and select TV as the output device |
| Black screen on TV | Incompatible screen resolutions | Set the resolution on your laptop 1920×1080 with frequency 60 Hz |
If none of the methods helped, check:
- 🔧 Update your laptop's graphics card and Wi-Fi adapter drivers (via device Manager or the manufacturer's website).
- 📋 Reset the network settings on your TV (
Settings → Networks → Reset). - 🔄 Reboot your router and change the security mode from
WPA3onWPA2(SometimesWPA3blocksMiracast).
FAQ: Frequently Asked Questions about Screen Projection
Is it possible to mirror a laptop's screen to a TV without Wi-Fi?
Yes, if your TV supports it. Wi-Fi Direct or MiracastThese technologies create a direct connection between devices without a router. On a Windows laptop, click Win + K and select TV from the list (if it supports Wi-Fi Direct). For macOS you will need Apple TV or adapter Lightning/USB-C → HDMI.
Why is there no sound when projecting via Miracast?
This is a typical Windows problem. Solutions:
- Click
Win + I→System → Soundand manually select the TV as the output device. - Update your audio card drivers (via device Manager).
- If the sound comes only through the laptop speakers, disable the option
Allow apps to manage sound independentlyin the sound settings.
How to stream only video from a laptop to a TV, not the entire screen?
Use Google Cast (For Android TV) or DLNA:
- In Windows: Open Conductor, right-click on the video →
Stream to device. - On macOS: in QuickTime Player select
File → New Playback on Device.
To broadcast browser tabs (for example, YouTube) use the icon Cast in the player.
Is it possible to control a laptop with a TV remote control while projecting?
Yes, but only if the TV is working Android TV and you use apps like TeamViewer QuickSupport or ApowerMirror (mode Control). For Samsung Tizen or LG webOS This function is not available - the TV will only display the screen, without any possibility of interaction.
What is the maximum resolution supported for wireless streaming?
It depends on the protocol and hardware:
Miracast: to4K@30Hz(requires Wi-Fi 6 and TV with HDMI 2.0).AirPlay 2: to4K@60Hz(on Apple TV 4K and compatible TVs).Google Cast: to1080p@60Hz(protocol limitation).
In practice, stable broadcasting in 4K only possible with Wi-Fi speed from 50 Mbps and using a router with Wi-Fi 6.