Do you want to display a movie, presentation, or game from your laptop on a big TV screen, but don't want to get tangled up in wires? Wireless image transmission via Wi-Fi — the ideal solution. Modern TVs and laptops support several technologies for this connection, but not all are equally convenient. In some cases, built-in functions are sufficient. Windows or macOS, and sometimes you have to install additional software.
The main problem is that not all users know which method to choose. For example, Miracast works on almost all devices, but may lag at high resolutions, and DLNA It's only suitable for media files, not for screen mirroring. In this article, we'll cover All current methods of image transmission via Wi-Fi in 2026, including their pros, cons, and step-by-step instructions. You'll learn how to set up a connection on TVs. Samsung, LG, Sony and other brands, as well as what programs will help if the built-in tools don't work.
1. Miracast: A universal method for Windows and Android TV
Miracast - is a wireless screen sharing standard that is supported by almost all modern laptops Windows 10/11 and TVs with Android TV or Google TVThe main advantage is that you don't need to be connected to the same Wi-Fi network: the devices connect directly (peer-to-peer). This means you can screen share even without a router.
However, the technology has limitations:
- 🖥️ Delay ~50–100 ms – noticeable when gaming or scrolling quickly.
- 📶 Permission often limited
1920×1080(4K is rarely supported). - 🔋 Battery consumption laptop increases by 20-30%.
To connect via Miracast:
- On TV: Open
Settings → Network → Miracast(orScreen Mirroring). On Samsung this can be calledSmart View, on LG —Screen Share. - On a laptop: press
Win + K(orWin + P → Connect to a wireless display). - Select your TV from the list of available devices.
Your laptop and TV support Miracast (check the specifications)
Miracast standby mode (sometimes called "Quick Connect") is enabled on the TV.
VPNs and firewalls that may be blocking the connection are disabled
The laptop and TV are no more than 5 meters away-->
⚠️ Note: On some laptops Lenovo And HP Miracast is disabled by default in the BIOS. To enable it, go toBIOS → Advanced → Wireless Displayand turn on the optionWiDiorMiracast Support.
2. DLNA: Transfer media files without screen mirroring
DLNA (Digital Living Network Alliance) is a protocol for transmitting photos, videos and music over a local network. Unlike Miracast, it doesn't mirror your laptop's screen, but only streams selected files. It's perfect for watching movies, listening to music, or sharing photos on a larger screen.
Advantages of DLNA:
- 🎬 Supports
4K HDRAndDolby Atmos(if TV is compatible). - 📂 You can transfer entire folders of files.
- 🔄 Works even on old TVs (2015–2018).
Flaws:
- 🚫 Cannot broadcast web pages, games or applications.
- 🔌 It is required that the laptop and TV are connected to one Wi-Fi network.
How to set up DLNA:
- On your TV: Turn on the function
DLNAorMedia server(usually in the sectionNet). - On the laptop:
- For Windows: open
Settings → System → Transfer to deviceand enable the option. - For macOS: use QuickTime Player or third-party programs like Plex.
- For Windows: open
.mp4 or .mkv) → right click → Transfer to device → select your TV.| Brand TV | DLNA function name | Supported formats |
|---|---|---|
| Samsung | AllShare or Smart Share |
MP4, MKV, AVI, JPG, MP3 |
| LG | SmartShare |
MP4, MOV, FLAC, PNG |
| Sony Bravia | Media Server |
MP4, MKV, WAV, JPEG |
| Xiaomi | Mi Home or Media player |
MP4, AVI, MP3, JPG |
3. AirPlay: The Best Choice for Apple Owners
If you have a laptop MacBook and TV Apple TV (or compatible with AirPlay 2, For example, Samsung QLED 2020+ or LG OLED 2021+), That AirPlay — the most stable and fastest way to transmit images. The technology supports 4K HDR and minimal latency (~20 ms), allowing you to comfortably play games or watch videos.
How to connect:
- 🍎 Make sure your laptop and TV are connected to the same Wi-Fi network.
- 📺 Turn on the TV mode
AirPlay(on Samsung:Settings → General → Apple AirPlay). - 💻 On MacBook: open
Control Center → Screen Sharingand select your TV.
AirPlay Features:
- ✅ Supports screen mirroring And streaming individual files.
- ❌ On Windows installation of third-party programs is required (for example, 5KPlayer or ApowerMirror).
- 🔒 Uses encryption for protection, which reduces the risk of data interception.
⚠️ Warning: On TVs Samsung And LG AirPlay support may be disabled after a firmware update. If the feature is missing, check the settings in the System → Software Update and, if necessary, roll back to the previous version.
4. Steam Link: For gamers and game streaming
If you want to play Steam- games on the big screen without wires, Steam Link — the perfect solution. The program streams images from your laptop to your TV with minimal latency (~10–30 ms), supports gamepads, and even lets you play 4K with good Wi-Fi.
Requirements:
- 🎮 Laptop with installed Steam.
- 📺 TV with Android TV or prefix (NVIDIA Shield, Fire TV Stick).
- 🌐 Wi-Fi speed not less than
50 Mbps(For1080p60).
Setup instructions:
- Install the application Steam Link on TV (available in Google Play or Amazon Appstore).
- On a laptop: open Steam → Settings → Login and turn it on
Steam Guard(for safety). - Launch Steam Link on TV, select your laptop from the list and enter the PIN code.
- Adjust the resolution in
Settings → Streaming(recommended)1920×1080at60 Hz).
How to reduce latency in Steam Link?
Use a router with support Wi-Fi 6 (802.11ax) or connect your laptop via Ethernet.
In Steam Link settings, select Preset: Fast (sacrifices quality for speed).
Disable background programs on your laptop, especially torrents or cloud syncs.
If the game supports it, enable it. VSYNC in its settings.
5. Third-party programs: when built-in tools don't work
If none of the above methods work (for example, you have an old TV without Android TV or AirPlay), you can use third-party programs. They work on the principle server-client: a server program is installed on the laptop, and a client program is installed on the TV (or vice versa).
Top 3 Wi-Fi Screen Sharing Apps:
| Program | TV platform | Delay | Peculiarities |
|---|---|---|---|
| ApowerMirror | Android TV, Samsung Tizen, LG webOS | ~60 ms | Supports screen recording, annotations, audio transmission. |
| TeamViewer | Anyone with a browser | ~100 ms | Works via the Internet, but requires a good connection. |
| LetsView | Android TV, Roku, Fire TV | ~50 ms | Free, but with ads. Supports gamepad play. |
How to set up ApowerMirror (for example):
- Download and install the program on your laptop and TV (with Google Play or APK).
- On a laptop: run ApowerMirror, select
Phone Screen(yes, even for PC). - On your TV: Open the app, select
Computerand enter the PIN code from the laptop screen. - Turn it on in the settings
Full ScreenAndNo Delay Mode(for games).
⚠️ Caution: When using TeamViewer When you broadcast your screen to a TV, your laptop becomes vulnerable to remote attacks. Always enable Two-factor authentication in your account settings and disable access after use.
6. Problems and solutions: why the image is not transmitted
Even with proper setup, errors can still occur. Here are the most common issues and how to solve them:
- 🔴 The TV is not in the list of devices
- Check if the TV mode is enabled
Screen MirroringorMiracast. - Reboot your router - sometimes DHCP doesn't assign the correct IP addresses.
- On your laptop, update the wireless adapter drivers (via
device Manager).
- Check if the TV mode is enabled
- 🟡 The image is slow or choppy.
- Reduce the broadcast resolution to
1280×720. - Connect your laptop to the router via cable Ethernet (if TV supports Wi-Fi Direct).
- Close background programs that consume traffic (torrents, clouds).
- Reduce the broadcast resolution to
- 🔊 No sound
- In the broadcast settings, select
Transfer audio to [TV name]. - Check if the sound on the TV itself is muted (
Settings → Sound → HDMI ARC). - For Steam Link turn on
Transmit audio over the networkin the settings.
- In the broadcast settings, select
If nothing helps, try alternative method. For example, if it doesn't work Miracast, try it DLNA for movies or Steam Link for games. Also check if it's blocking the transmission antivirus or Windows Firewall.
7. Comparison of methods: which one to choose
To make your decision easier, we've compiled a comparison table of all the Wi-Fi image transfer methods:
| Method | Suitable for | Delay | Requires internet | Difficulty of setup |
|---|---|---|---|---|
| Miracast | Screen mirroring, presentations, videos | 50–100 ms | ❌ No | ⭐⭐ (average) |
| DLNA | Movies, music, photos | — | ✅ Yes | ⭐ (simple) |
| AirPlay | MacBook screen, media files, games | 20–50 ms | ✅ Yes | ⭐ (simple) |
| Steam Link | Steam games, screen mirroring | 10–30 ms | ✅ Yes | ⭐⭐⭐ (difficult) |
| Third-party programs | Any tasks, old TV | 50–200 ms | ✅ Yes/❌ No | ⭐⭐⭐⭐ (depending on software) |
Recommendations for selection:
- 🎮 For games: Steam Link or Miracast (if the delay is not critical).
- 🎬 For movies: DLNA or AirPlay (if any) Apple TV).
- 💻 For work/presentations: Miracast or ApowerMirror.
- 👨💻 For old TVs: third-party programs (TeamViewer, LetsView).
FAQ: Frequently asked questions about transmitting images to TV
Is it possible to mirror a laptop's screen to a TV without Wi-Fi?
Yes, there are three ways:
- HDMI cable — the most stable connection without delays.
- USB-C → HDMI (for laptops with
Type-C). - Wi-Fi Direct (similar to Miracast, but without a router).
Why does video lag when streaming via Miracast?
Reasons and solutions:
- 📶 Weak Wi-Fi signal: Move your laptop closer to the router or use
5 GHzinstead of2.4 GHz. - 🖥️ Weak processor/graphics card: reduce the resolution to
1280×720. - 🔌 Background programs: Close torrents, cloud syncs and other heavy tasks.
How to transmit sound along with the image?
Methods depending on the method:
- Miracast/AirPlay: the sound is transmitted automatically.
- DLNA: only for media files (movies, music).
- Steam Link: turn on
Transmit audio over the networkin the settings. - Third-party programs: V ApowerMirror or LetsView there is an option
Turn on sound.
If there is no sound, check the settings HDMI ARC on TV.
Is it possible to stream Netflix or YouTube from a laptop to a TV?
Yes, but there are some nuances:
- Miracast/AirPlay: You can duplicate the entire screen, including the browser with Netflix.
- DLNA: not suitable - only local files are streamed.
- Steam Link: it is possible, but it is better to use the built-in application Netflix on TV.
⚠️ Please note: Some services (for example, Disney+) block screen mirroring due to anti-piracy protection (DRM). In this case, use the built-in apps on your TV.
What kind of router do I need for stable streaming?
Minimum requirements:
- 📶 Standard
Wi-Fi 5 (802.11ac)or newer (Wi-Fi 6(preferably). - 🔄 Dual-band mode (
2.4 GHz + 5 GHz). - 📦 Bandwidth not less than
300 Mbps(For1080p60).
Recommended models: TP-Link Archer AX6000, ASUS RT-AX88U, Keenetic Ultra.