Modern televisions Samsung While laptops have become powerful multimedia centers, laptop screens often remain the primary source of content for work and entertainment. Wirelessly streaming video files, movies, or presentations allows you to enjoy content on a large screen without the hassle of cables, while maintaining the aesthetics of your home. This is especially important for owners. Smart TVwho want to avoid the clutter of HDMI cables.
There are several proven ways to set up synchronization of devices, and the choice of a specific method depends on the operating system of your computer and the model of TV. Technologies DLNA, Miracast and proprietary solutions from Samsung ensure stable data transfer. In this article, we'll examine each method in detail so you can choose the most suitable one for your situation.
Before you begin setup, make sure both devices are connected to the same wireless network. Being on the same subnet is a critical condition for devices to discover each other. If your router supports dual-band, it's recommended to use the 5GHz network to stream high-definition video without lag.
Using Smart View and built-in Windows tools
The fastest way to broadcast an image is to use the functionality built into Windows, which is based on the protocol MiracastThis technology allows you to mirror your laptop screen to your TV in real time, making it ideal for viewing photos, videos, or giving presentations. You don't need to install any third-party software to get started.
On TV Samsung You need to activate signal reception mode. Press the "Home" button on the remote, go to the signal sources menu, and select "Connect to a mobile device" or find the "Smart View" app in the app list. On some models, simply navigating to the Smart Hub menu is enough.
⚠️ Attention: On older TV models, the feature may be called "Screen Mirroring." If your TV doesn't appear in the list of available devices, check if AP Isolation mode is enabled on your router, which prevents devices from seeing each other.
On a laptop running Windows 10 or 11, press the key combination Win + KThe "Connection" panel will appear on the right side of the screen, where the system will begin searching for available displays. Select your TV. Samsung from the list, and after a few seconds the image will appear on the big screen.
The quality of transmission depends on the power of your Wi-Fi routerIf you notice audio and video out of sync or image flickering, try moving your laptop closer to the router or lowering the display resolution in the display settings.
Broadcast via the Samsung SmartThings app
Company Samsung actively promotes a unified smart home ecosystem, the central element of which is the app SmartThingsThis software not only allows you to control smart light bulbs and sockets but also efficiently stream content from your PC to your TV. This solution often performs more reliably than the standard Miracast protocol.
To get started, you need to install the SmartThings app on your laptop. It's available in the Microsoft Store for Windows users. After installation, launch the app and sign in to your account. SamsungMake sure the TV is also logged in with the same account or is in pairing mode.
☑️ Check before connecting SmartThings
In the app interface, select your TV from the list of available devices. In the TV control menu, find the "Screen Casting" or "Smart View" option. You can select a specific file to play or mirror the entire desktop. The advantage of this method is that you can use your laptop for other tasks without interrupting playback.
The app also lets you use your laptop as a remote control. You can adjust the volume, change channels, or launch streaming services directly from your computer keyboard. This is especially convenient if your TV remote is lost or out of battery.
Setting up a DLNA server to play files
If your goal is not screen mirroring, but playing specific video files from your laptop's hard drive, then the technology DLNA (Digital Living Network Alliance) is the optimal choice. It allows the TV to view folders containing media files on the computer as external drives.
In Windows, this feature is implemented through "Streaming Media Settings." Open "Control Panel," go to "Network and Internet," then "Network and Sharing Center." Select "Streaming Media Settings" from the left menu.
In the window that opens, click "Enable media streaming." The system will prompt you to select devices that have access. Find your TV in the list. Samsung and check the "Allowed" box. After this, video files in the default folders ("Videos" and "Pictures") will become accessible through the "Media" menu on the TV.
| Parameter | Description | Recommendation |
|---|---|---|
| Protocol | DLNA / UPnP | The standard for all Smart TVs |
| Video formats | MP4, MKV, AVI | Depends on TV codecs |
| Compression | No losses | Original file quality |
| PC load | Minimum | Read only file |
It's worth noting that some specific video formats or audio codecs may not be directly supported by the TV. In this case, the file will not play, although it will appear in the list. Using universal containers MP4 with codec H.264 guarantees compatibility.
What should I do if DLNA doesn't see files?
If the TV sees the folder but the files inside appear as unknown, network discovery may be disabled on your computer. Go to the Network and Sharing Center, click "Change advanced sharing settings," and enable network discovery for the current network profile (private network).
Stream from MacBook and Apple devices (AirPlay 2)
Laptop owners MacBook can use technology AirPlay 2, which is built into modern televisions SamsungThis ensures the highest transmission quality and minimal latency, which is critical for viewing dynamic video content.
For AirPlay 2 to work, make sure your TV is Samsung This feature is supported on 2019 and newer models. On your TV, go to Settings and find "Apple AirPlay Settings," then enable it. On your MacBook, click the "Screen Mirroring" icon in the menu bar and select your TV.
When you first connect, a code may appear on your TV screen that you'll need to enter on your computer. Once paired, the devices will connect automatically when on the same network. You can cast your entire screen, individual app windows, or videos from your browser. Safari.
⚠️ Attention: AirPlay may be disabled in your TV's firmware in some regions. If the option isn't available in the menu, check for software updates for your TV. Samsung Smart TV in the "Support" section.
The advantage of using AirPlay is that it supports the technology HDR and surround sound, if your audio system supports it. Plus, playback controls remain on your Apple device, allowing you to pause videos or change the volume without leaving your couch.
Using Google Chrome Browser and Chromecast
If your TV doesn't have built-in Chromecast support but does have an HDMI port, you can use an external dongle. However, if your Samsung It runs on the Tizen platform, but it doesn't have a built-in Chromecast. In this case, you can try casting a browser tab. Google Chrome from a laptop, if the TV supports the casting protocol via applications.
Open your browser Chrome On your laptop, click the three dots in the upper right corner and select "Cast." In the window that appears, select "Cast Full Screen" or "Cast Tab." If your TV doesn't show up, it doesn't support native Cast reception.
In this case for TVs Samsung There's an alternative: install a receiver app from the TV app store. Find the app "AirScreen" or similar apps that emulate Chromecast reception. After launching such an app on the TV, your laptop will see it as a casting device.
This method is convenient for sharing web pages, Google Docs, or videos from websites that aren't protected from screen recording. Image quality will depend on your internet connection speed and wireless bandwidth.
Resolving quality issues and delays
Even with proper setup, users may experience image artifacts, audio delays, or connection drops. Most often, the problem lies in radio channel congestion or a weak signal. The 2.4 GHz Wi-Fi band is often overloaded by neighboring routers and household appliances.
It's recommended to switch both devices to the 5 GHz network if your router supports dual-band mode. This will provide the higher bandwidth needed to transmit high-resolution video. Full HD or 4KIt's also worth checking whether the laptop is too far from the router.
If problems persist, try rebooting the router by unplugging it for 10-15 seconds. This will help clear the cache and select a less congested connection channel. In some cases, updating the wireless adapter drivers on your laptop can help.
⚠️ Attention: Menu interfaces and function names may vary depending on the Tizen OS version on your TV. If you can't find the option described, please refer to the user manual on the manufacturer's official website for your specific model.
It's also worth considering that transmitting high-resolution video (4K HDR) over the air requires a very stable connection. If your router is older or located in another room behind thick walls, using a 5-10 meter HDMI cable may be a more reliable, albeit less aesthetically pleasing, solution.
Comparison of connection methods
The best method depends on your needs. If you need to show a presentation, Miracast is suitable. For watching movies from your collection, DLNA is ideal. For Apple device owners, AirPlay is indispensable. Below is a comparison table to help you decide.
| Method | Delay | Quality | Complexity |
|---|---|---|---|
| Miracast (Win+K) | Low | High | Minimum |
| SmartThings | Average | High | Average |
| DLNA | Absent | Original | Low |
| AirPlay 2 | Minimum | Maximum | Low |
Each of the methods discussed has its advantages. Experiment with different options to find the perfect balance between convenience and quality for your home network. Modern technology allows you to forget about wires and enjoy content on the big screen with minimal effort.
Frequently Asked Questions (FAQ)
Why doesn't my Samsung TV see my laptop in the list of devices?
Make sure both devices are connected to the same Wi-Fi network (the same one, not different guest networks on the router). Check your laptop's firewall settings—it may be blocking detection. Also, make sure the signal reception feature (Screen Mirroring or Smart View) is enabled on your TV.
Is it possible to stream 4K video over Wi-Fi without lag?
Yes, this is possible, but only if you're using a router that supports Wi-Fi 5 (AC) or Wi-Fi 6 (AX) and is connected to the 5 GHz band. For stable 4K, it's also important that the laptop and router be in direct line of sight or located through the same wall.
The video is lagging while streaming, what should I do?
Try lowering the display resolution on your laptop (for example, from 4K to 1080p). Close background programs that consume bandwidth (torrents, downloads). If you're using the 2.4 GHz band, switch to 5 GHz.
Does the broadcast work if the laptop is asleep?
No, the laptop must be in active mode. When entering sleep mode, the Wi-Fi adapter is disabled and the signal is interrupted. You can configure the power plan so that the screen turns off but the system remains active.
How to transfer sound from a laptop to a TV?
When using Miracast or AirPlay, audio is transmitted automatically. If audio is coming from a laptop, click the speaker icon in Windows, select the output device, and select your TV. Samsung in the list of available playback devices.