How to Mirror Your PC to TV via Wi-Fi in Windows 11: A Complete Guide

Wirelessly broadcast your computer screen to your TV via Wi-Fi Windows 11 Opens up new possibilities for watching movies, presentations, or games on a big screen without the hassle of wires. However, many users encounter problems: the TV doesn't detect the PC, the picture lags, or the sound disappears. In this article, we'll look into these issues. all current methods connections - from built-in Miracast to specialized applications like Steam Link, and we will also provide checklists for diagnosing typical errors.

It is important to understand that the methods differ in stability, latency, and supported features. For example, DLNA It's good for displaying photos, but it won't handle games, and Miracast may not work on older TV models. We tested each method on different devices, from budget ones Xiaomi Mi TV to bonuses LG OLED — and highlighted key nuances that save hours of setup.

If you've previously tried connecting and the screen flickers or the sound is delayed, don't rush to blame the router. In 80% of cases, the problem lies in Windows energy saving settings, codec incompatibility, or TV manufacturer limitations. Below you'll find not only instructions, but also a table of method compatibility with popular TV brands, as well as A unique life hack for reducing lag by adjusting Wi-Fi network priority.

1. Preparation: What to check before connecting

Before attempting to connect your PC and TV, make sure your equipment meets the minimum requirements. This will save you time and frustration.

Computer requirements:

• 🖥️ Windows 11 (version 22H2 or later - check in Settings → System → About). Older builds may not support Miracast.
• 🔄 Wi-Fi adapter with support Wi-Fi Direct or Miracast (most modern laptops and PCs on Intel/AMD after 2018). You can check with the command in PowerShell:

Get-NetAdapter | Select Name, NdisVersion

If the answer is NdisVersion 6.80 and above - the adapter is compatible.

TV requirements:

• 📺 Support Miracast (usually found on models after 2015 from Samsung, LG, Sony, Philips). The exception is some budget ones. TCL And Hisense.
• 🔌 Connect to the same Wi-Fi network as your PC (or the ability to create one Wi-Fi Direct).
• 🔄 Updated TV software (check in Settings → Support → Software Update).

Network requirements:

• 📶 Router with support 802.11ac (Wi-Fi 5) or newer. Older 802.11n (Wi-Fi 4) may cause lags.
• 🔗 Connection speed not lower 50 Mbps (you can check it on speedtest.net). For 4K stream you need 100+ Mbps.
• 🔒 Absence VPN or corporate proxies on a PC - they block local connections.

⚠️ Attention: If your TV is connected to the network via cable and your PC via Wi-Fi, the latency (lag) will be higher than with a full wireless connection. For minimal lag, use 5 GHz Wi-Fi range.

2. Method 1: Miracast - built-in wireless broadcasting

Miracast — is a wireless screen transmission standard built into Windows 11It works without any additional programs, but requires support from the TV.

How to turn on on TV:

• 📺 Samsung: Settings → General → External Device → Screen Mirroring.
• 📺 LG: Settings → Connections → Screen Share.
• 📺 Sony: Settings → Network → Screen mirroring.
• 📺 Xiaomi: Settings → Connection and Sharing → Wireless Display.

How to connect from a PC:

1. Click Win + K (or open Settings → System → Display → Connect to a wireless display).
2. Select your TV from the list. If it's not there, click Refresh or check if it is enabled Screen Mirroring on TV.
3. Confirm the connection on your TV (you may be asked to enter a PIN code).

TV and PC on the same Wi-Fi network

Screen Mirroring is enabled on the TV.

Airplane mode is disabled on the PC.

Wi-Fi adapter drivers have been updated-->

What to do if Miracast is not working:

• 🔄 Update your Wi-Fi adapter driver via Device Manager → Network Adapters.
• 🔧 Turn on Miracast in the registry (if disabled):

  reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Connect" /v AllowProjectingToPC /t REG_DWORD /d 1 /f

• 📶 Switch to 5 GHz Wi-Fi (in router settings).

⚠️ Attention: On some laptops Dell And HP Miracast is blocked by proprietary utilities (for example, Dell Wireless Dock). Disable them in startup.

3. Method 2: DLNA - transfer media files without mirroring

If you don't need to duplicate the screen, but just show photos, videos or music - DLNA will be the ideal solution. This protocol is supported by almost all modern TVs and does not require high-speed Wi-Fi.

How to set up on PC:

1. Turn on DLNA server in Windows:
   1. Open Control Panel → Programs → Programs and Features → Turn Windows features on or off.
   2. Check the box next to DLNA server for media streaming.
   3. Restart your PC.
2. Add folders containing media files to Windows Libraries (for example, Video, Images).

How to connect on TV:

• 📺 Samsung: Sources → Devices → [Your PC's name].
• 📺 LG: Home → Multimedia → DLNA.
• 📺 Sony: Home → Video/Photo → DLNA Servers.

DLNA limitations:

• ❌ No screen mirroring - file viewing only.
• ❌ Not all video formats are supported (for example, .mkv may not be playable).
• ❌ There is no sound when viewing some files (solved by converting to .mp4).

4. Method 3: Steam Link – for gamers with minimal lag

If you want to play on the big screen, Steam Link — one of the best options. The app is optimized for minimal latency and supports gamepads.

How to set up:

1. Install Steam on PC and Steam Link on TV (available in Google Play For Android TV or App Store For Apple TV).
2. Connect the gamepad to the TV (via Bluetooth or USB).
3. Launch Steam Link on TV, select your PC from the list and enter the PIN code.
4. In the settings Steam Link select Performance → Speed ​​Priority to reduce lags.

Requirements for comfortable play:

• 📶 Wi-Fi speed not lower 100 Mbps (better 300+ Mbps).
• 🖥️ PC with a graphics card NVIDIA GTX 1050/AMD RX 560 or more powerful.
• 🎮 Gamepad with support XInput (For example, Xbox Controller or DualShock 4).

How to reduce lag in Steam Link?

1. In the settings Steam Link install Resolution: 1080p (even if the TV is 4K).

2. Turn on Hardware decoding (if available).

3. On PC in Steam turn it off Enable GPU hardware acceleration in the interface settings.

4. Connect your PC to the router with a cable, and leave the TV on Wi-Fi (or vice versa).

⚠️ Attention: On TVs Samsung With Tizen Steam Link is not installed. Alternative - Moonlight (requires NVIDIA GPU on PC).

5. Method 4: Applications from TV manufacturers

Many brands release their own wireless streaming utilities, which often offer more stability. Miracast, but require software installation.

Pop-up apps for popular brands:

• 📺 Samsung: SmartThings (available in Microsoft Store). Supports mirroring and control from your phone.
• 📺 LG: LG TV PlusAllows you to broadcast your screen and use your TV as a second monitor.
• 📺 Sony: Video & TV SideViewOptimized for media files.
• 📺 Xiaomi: Mi Home (requires registration in Mi Account).

How to connect via SmartThings (using Samsung as an example):

1. Install SmartThings With Microsoft Store.
2. Register or log in to your account Samsung.
3. In the application, select Devices → Add device → TV.
4. Follow the on-screen instructions to pair.
5. Once connected, click Screen mirroring.

Pros and cons of branded apps:

Application	Pros	Cons
SmartThings (Samsung)	Stable connection, 4K support	Requires a Samsung account and lags sometimes.
LG TV Plus	Low latency, mouse/keyboard support	Complex interface, not always visible to PC
Video & TV SideView (Sony)	Good optimization for video	No screen mirroring, media files only

6. Method 5: Paid solutions - AirParrot and Reflector

If the built-in methods aren't up to par in terms of quality or functionality, you can use paid programs. They offer advanced settings and support. 4K@60Hz and minimal lags.

Pop-up solutions:

• 💻 AirParrot 3 ($29.99) - Supports Miracast, AirPlay And Google CastThere is a trial version.
• 💻 Reflector 4 ($19.99) - Allows you to receive a stream on your PC and broadcast it further (useful for presentations).
• 💻 5KPlayer (free) - alternative DLNA with support 4K And AirPlay.

How to set up AirParrot 3:

1. Download and install the program from official website.
2. Launch AirParrot and select the TV from the list of devices.
3. In the settings, specify:
   • Permission: 1920×1080 or 3840×2160 (if TV supports 4K).
   • Quality: High (maximum).
   • Sound: Transfer audio to the device.

Click Start Mirroring.

7. Troubleshooting: Why the broadcast isn't working

If the image is not transmitted or artifacts appear, check the following:

Connection problems:

• 🔌 Make sure your PC and TV are in one network (some routers share 2.4 GHz And 5 GHz to different networks).
• 🔄 Reboot the router and both devices.
• 📶 Check if the broadcast is blocked antivirus or firewall (temporarily disable them for testing).

Lags and brakes:

• 🖥️ Reduce the broadcast resolution to 1280×720 in the settings.
• 📶 Switch to 5 GHz Wi-Fi or connect your PC to the router with a cable.
• 🔧 In Control Panel → Power Options select a scheme High performance.

No sound:

• 🔈 In Settings → System → Sound Select TV as the output device.
• 🔧 Update your sound card drivers (especially if you are using Realtek).
• 🎵 Check if your TV supports audio transmission using the selected protocol (for example, Miracast sometimes it transmits only video).

⚠️ Attention: On some TVs Samsung With Tizen sound by Miracast is not transferable due to manufacturer restrictions. In this case, please use HDMI cable or Steam Link.

8. Alternative Methods: When Wi-Fi Isn't an Option

If your wireless connection is fundamentally not working (for example, due to a weak router), consider alternatives:

Wired solutions:

• 🔌 HDMI cable: The most stable, lag-free method. Suitable for gaming and 4K.
• 🔌 USB-C → HDMI: Relevant for laptops with Thunderbolt 3/4.

Hybrid solutions:

• 📡 Powerline adapters: Transmission of a signal via electrical wiring (speed up to 1 Gbps).
• 📶 Wi-Fi 6 Mesh Systems: Covering the entire apartment with a stable signal (for example, TP-Link Deco).

Cloud services:

• ☁️ Rainway — broadcasting games via the Internet (requires a good channel).
• ☁️ Parsec - low latency, but registration is required.

FAQ: Frequently Asked Questions

Is it possible to stream a PC screen to a TV without a router?

Yes, if your TV supports it. Wi-Fi Direct. Enable this feature on your TV, and on your PC, select live streaming via Win + K. You can also use Miracast in point-to-point mode (but this does not work on all devices).

Why does the picture lag when broadcasting via Miracast?

The reasons may be the following:

• Weak Wi-Fi signal (switch to 5 GHz or move the devices closer to the router).
• Slow PC performance (close background programs after Task Manager).
• Outdated Wi-Fi adapter drivers (update them via device Manager).

Also try lowering the broadcast resolution to 1280×720.

How can I stream audio separately from video (for example, via a Bluetooth speaker)?

IN Windows 11 You can configure different output devices for video and audio:

1. Open Settings → System → Sound.
2. In the section Conclusion Select TV for video.
3. In the section Default output device select Bluetooth speaker.

If the sound only comes through one device, check the settings in the application you are using for broadcasting (for example, in Steam Link you can select the audio device manually).

Is it possible to stream a screen from a PC to a TV via the Internet (not a local network)?

Yes, but with some reservations:

• 🌍 Steam Link And Parsec work via the Internet, but require high speed (50+ Mbps (for an appointment).
• 🌍 Chrome Remote Desktop or TeamViewer allow you to control your PC remotely, but with a noticeable delay.
• ⚠️ The quality will be worse than over a local network, and lags will be higher.

For stable operation, it is recommended to connect via wire (for example, Ethernet on PC + Wi-Fi on TV).

Why doesn't the TV see the computer when I try to connect?

Here are the main reasons and solutions:

• 🔌 Different networks: Make sure both devices are connected to one router (not to the guest network!).
• 🔧 Firewall: Temporarily disable Windows Defender and third-party antiviruses.
• 📡 Incompatibility: Older TVs (before 2015) may not support MiracastCheck the model specifications.
• 🔄 Drivers: Update the Wi-Fi adapter driver on your PC (download from the manufacturer's website, not through Windows Update).
• 📺 Standby mode: Some TVs (eg. Sony) turn off Screen Mirroring After 5 minutes of inactivity, restart the feature on your TV.