How to Stream Video from Your Computer to a Samsung Smart TV via Wi-Fi: A Complete Guide

Want to watch movies, stream games, or show presentations on the big screen, but are confused about wireless streaming settings? Connect Samsung Smart TV to the computer via Wi-Fi seems like a simple task - until you encounter errors like "Device not supported" or No soundIn this article we will analyze all working methods transfer video from PC to TV Samsung (including models QLED, Crystal UHD, The Frame etc.), we will pay attention to the nuances of network settings and image quality optimization.

It's important to understand that streaming methods vary in stability, latency, and supported formats. For example, Miracast provides minimal latency (ideal for gaming), but requires modern hardware, and DLNA It works on almost all devices, but can be slow when playing 4K. We tested each method on TVs. Samsung 2018–2026 and compiled checklists to address common issues.

If you've already tried connecting and received an error, don't close the article. At the end of each section, there are sections with solutions for specific error codes (for example, 102 or 2001), as well as an FAQ on setting up a router for stable broadcasting.

1. Preparation: Checking compatibility and network

Before you set up your broadcast, make sure your devices are compatible and connected to the same network. This will eliminate 80% of the connection problems.

For Samsung Smart TV (2016 and newer) and a computer running Windows 10/11 or macOS check:

• 📺 TV model: does he support Miracast (check the menu) Settings → General → About). Models JU6400 and older - yes, K5500 and below - no.
• 🖥️ PC operating system: Windows 10/11 have built-in support Miracast, For macOS third-party software will be required (for example, AirParrot).
• 📶 Router: must support the standard 802.11ac (or Wi-Fi 5/6) for stable 4K streaming. If your router is older than 5 years, lag is possible.
• 🔒 Network type: both devices must be in one local network (not guest!) Connection via Wi-Fi Direct works unstably.

If your TV Samsung released before 2016, Use only DLNA or HDMI adapters - Miracast is not supported on them, even after a firmware update.To check the firmware version, go to Settings → Support → Software Update.

⚠️ Note: If your router uses split networks into 2.4 GHz and 5 GHz, connect both devices to the same frequencyFor example, if the PC is connected to MyWiFi_5G, and TV - to MyWiFi, the broadcast will not work.

2. Method 1: Miracast (Wireless Display) - for gaming and streaming without lag

Miracast — is a screen mirroring technology over Wi-Fi with minimal latency (from 30 ms), which is critical for games or video calls. Samsung Smart TV supports it starting from models 2016 (series KU, MU, QLED and newer).

To connect:

1. On TV: Open Settings → General → External Devices → Miracast Device (or Screen Mirroring in new models).
2. On PC with Windows 10/11:
   • Click Win + K (or open Settings → System → Display → Connect to a wireless display).
   • Choose yours Samsung TV from the list.
   • Confirm the connection on your TV (you may be asked to enter a PIN code).

If your TV does not appear in the list:

• 🔄 Restart both devices and the router.
• 🛠️ Update your graphics card drivers on your PC (especially if you have Intel HD Graphics or AMD Radeon).
• 📡 Check that the TV is in the "Off" mode. Screen Mirroring (in some models it is hidden in Settings → Connection → Screen Mirroring).

⚠️ Note: When connecting via Miracast sound may be transmitted with a delay (especially on PC with Realtek audio drivers). To synchronize audio and video, select the format in Windows sound settings 16 bit, 48000 Hz.

TV and PC are on the same Wi-Fi network | Screen Mirroring is enabled on the TV | Video card and Wi-Fi drivers are updated on the PC | VPN and firewalls are disabled -->

3. Method 2: DLNA/UPnP - for movies and photos without mirroring

DLNA (or UPnP) allows you to broadcast specific files (videos, music, photos) from your computer to your TV without mirroring the entire screen. This method works even on older models. Samsung (For example, H6400), but does not support streaming from websites (for example, YouTube or Twitch).

Instructions for Windows:

1. Enable DLNA on your TV: Settings → General → External Devices → DLNA Device.
2. On PC:
   • Open Settings → Network settings → Sharing options.
   • Turn on Network discovery And File and Printer Sharing.
   • Add the video folder to General access (right click → Grant access → Specific users → select All).

On your TV, open the app Photos, videos, and music (or Smart Hub → Multimedia) and select your PC from the list.

For macOS third-party software will be required, for example, Plex Media Server or KodiThese programs create a DLNA server to which the TV connects.

If the TV does not see the PC in the list of DLNA devices:

• 🔌 Check that the router is turned on UPnP (in the settings, usually in the section LAN or Home network).
• 🔒 Disable Windows Firewall or add an exception for dlna.exe.
• 📂 Make sure the video folder has read permissions for All users.

4. Method 3: SmartThings (official Samsung software) - for control and broadcasting

Application SmartThings from Samsung It allows you to not only broadcast your screen but also control your TV from your computer. This method works more reliably. Miracast, but requires software installation on a PC.

Step-by-step instructions:

1. Download SmartThings For Windows or macOS.
2. Register or log in to your account Samsung.
3. In the app, select your TV from the list of devices (it must be connected to the same Wi-Fi network).
4. Click Screencasting (or Screen Mirroring) and confirm the connection on TV.

Advantages SmartThings:

• 🎮 Supports gamepads (eg. Xbox Controller) for big screen gaming.
• 📱 You can control your TV from your phone (for example, turn it on/off or adjust the volume).
• 🔄 Automatically optimizes resolution for your TV model.

If the app doesn't find your TV:

• 🔄 Restart your TV and PC.
• 📱 Make sure that the TV is in the "Off" mode. Remote control (Settings → General → External devices).
• 🔒 Disable it in your router settings AP Isolation (isolation of clients).

⚠️ Note: In some models Samsung (For example, The Frame 2020) broadcast via SmartThings is limited to 1080p, even if the TV supports 4K. To get around this, use Miracast.

How to enable developer mode on Samsung TV for advanced settings

Open Settings → General → About → quickly press 5 times on Model numberAfter this, the item will appear in the menu. Developer Options, where you can enable USB debugging and change broadcast restrictions.

5. Method 4: Chromecast (via Google Cast) - for streaming services

If you watch often YouTube, Netflix or Twitch, more convenient to use Google Cast (built into many Samsung Smart TV 2018 and newer). This method allows you to "send" video directly from your browser or app to your TV without mirroring the entire screen.

How to set up:

1. Make sure your TV supports it. Google Cast (check for app availability Google Home V Smart Hub).
2. On PC:
   • Open Chrome or Microsoft Edge.
   • Go to a website (for example, YouTube) and click the icon Cast (📡) in the upper right corner.
   • Choose yours Samsung TV from the list.

If the icon Cast not active:

• 🔄 Update your browser to the latest version.
• 🔌 Make sure your TV and PC are on the same network (not via VPN!).
• 🛠️ Turn on in your TV settings Google Cast (Settings → General → External devices → Google Cast).

Advantages Google Cast:

• 🎥 Supports 4K HDR on compatible models (Q80T, Q90T and newer).
• 📱 You can control playback from your phone (pause, volume).
• 🔒 Doesn't put a strain on your PC (video is streamed directly from the server, not from your computer).

6. Method 5: Steam Link – for streaming games from PC to TV

If you are a gamer, Steam Link will allow you to stream games from your computer to Samsung Smart TV with minimal latency (with good Wi-Fi). This method works even on TVs without Miracast, if you install the application Steam Link from Smart Hub.

Instructions:

1. Install Steam Link to TV via Apps → Search → Steam Link.
2. On PC:
   • Open Steam and go to Settings → Remote Play.
   • Turn on Enable Remote Play.
   • Connect a gamepad (for example, Xbox Controller or DualShock) to the TV via Bluetooth.

Launch Steam Link on TV, select your PC from the list and enter the PIN code.

Requirements for stable operation:

• 📶 Wi-Fi speed not less than 25 Mbps (for 1080p/60fps).
• 🖥️ Your PC must have a graphics card that is no weaker NVIDIA GTX 1050 or AMD RX 560.
• 🔌 Connect your PC to the router via cable (if possible) to reduce lag.

If the game is lagging:

• 🎮 In the settings Steam Link reduce the resolution to 720p or 900p.
• 📡 Switch to the channel 5 GHz in the router settings (less busy).
• 🔧 In the settings Steam turn it off Hardware Encoding (if there are sound lags).

7. Troubleshooting: Connection Errors and Lags

Even with proper setup, errors may still occur. Below are solutions to the most common issues.

If none of the methods work:

• 🔄 Reset network settings on TV: Settings → General → Reset → Reset network settings.
• 📡 Change DNS on the router 8.8.8.8 (Google) or 1.1.1.1 (Cloudflare).
• 🛠️ Update your TV's firmware manually (download from official website and install via USB).

⚠️ Note: On some models Samsung (For example, TU8000) after updating the firmware to version 1460 and above this, support may disappear MiracastIn this case, use SmartThings or Steam Link.

8. Optimizing broadcast quality: router and PC settings

To ensure lag-free video streaming, you need to optimize both your network and device settings. Here are the key parameters:

Router settings:

• 📶 Wi-Fi channel: use 5 GHz with channel width 80 MHz (for maximum speed).
• 🔒 Encryption: install WPA2-AES (Not TKIP!).
• 🎯 QoS: Enable traffic prioritization for devices Samsung TV and PC.
• 🔄 DHCP: assign IP addresses for your TV and PC to your router settings.

PC Settings (Windows 10/11):

• 🖥️ Energy saving: set the mode High performance.
• 🎮 Graphics: in the control panel NVIDIA/AMD select priority for Miracast or Steam Link.
• 🔊 Sound: turn off effects (Control Panel → Sound → Properties → Enhancements).

Samsung TV settings:

• 📺 Picture mode: select Game or Dynamic to reduce latency.
• 🔊 Sound: turn off Automatic volume adjustment (Settings → Sound → Advanced).
• 📡 Net: turn off Wi-Fi energy saving (Settings → General → Network Settings).

FAQ: Answers to frequently asked questions

Is it possible to stream video from a MacBook to a Samsung TV wirelessly?

Yes, but with built-in tools macOS This can't be done. You'll need third-party software:

• AirParrot 3 (paid, supports Miracast).
• 5KPlayer (free, works via DLNA).
• JustStream (for broadcasting via Google Cast).

You can also use SmartThings, if your MacBook and TV on the same network.

Why is the video lagging even though the internet is fast?

The problem is not the internet speed, but local network. Check:

• 📶 Is the Wi-Fi channel overloaded (use the app Wi-Fi Analyzer for verification).
• 🖥️ Is your PC overloaded with other tasks (for example, torrents or updates).
• 📡 Is the function enabled on the router? Band Steering (may cause conflicts between 2.4 GHz and 5 GHz).

Solution: Connect your PC to the router via cable, and leave the TV on 5 GHz Wi-Fi.

How to mirror your PC screen to Samsung TV without Wi-Fi?

There are several alternatives:

• 🔌 HDMI cable: the most stable solution for 4K/60fps.
• 📡 Wi-Fi Direct: some models Samsung support direct connection without a router (included in Settings → Network → Wi-Fi Direct).
• 📶 Mobile hotspot: Share Wi-Fi from your phone and connect your PC and TV to it.
• 🔄 Powerline adapters: transmission of the Internet via electrical wiring (for example, TP-Link AV1000).

Is it possible to stream my PC screen to my TV via Bluetooth?

No, Bluetooth not suitable for video transmission due to low bandwidth (maximum 3 Mbps). It can only be used for:

• 🎵 Sound transmission (for example, via A2DP).
• 🎮 Connecting a gamepad or keyboard.

For video use Wi-Fi, HDMI or Powerline.

Why is there no sound when streaming via Miracast?

This is a typical problem when using drivers. Realtek or Intel HD AudioSolutions:

1. Update your sound drivers via device Manager.
2. In Windows sound settings, select the format 16 bit, 48000 Hz.
3. Disable exclusive mode: Control Panel → Sound → Properties → Advanced → Disable Exclusive Mode.
4. Use an external sound card (eg. USB DAC).