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Linux Ubuntu Laptop Screen Mirroring on Samsung Smart TV without Cables or Chromecast

trade24 16224 11
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  • #1 18725572
    trade24
    Level 3  
    Posts: 171
    Rate: 10
    Hello, as in the subject, I am looking for a solution for remote connection without cables from a Linux Ubuntu computer to a Samsung Smart TV. The idea is to transfer to the TV screen what is displayed on a laptop with Linux. I'm not interested in a Chromecast solution, unless some HDMI transmitter or something else, but not Chromecast ... Please give me a hint and best regards
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  • #2 18725602
    leonov
    Level 43  
    Posts: 8907
    Help: 1038
    Rate: 2232
    trade24 wrote:
    unless some kind of HDMI transmitter
    This is the solution.
  • #3 18725652
    pitron
    Level 24  
    Posts: 811
    Help: 51
    Rate: 99
    In fact, only miracasts with Intel Vpro processors work well, but it's windows.
    For linux, it remains to combine with Widi.
    There used to be an itrio company that produced 1to1 transmitters, it worked great, but it is no longer on the market, I think it died.
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  • #5 18725720
    pitron
    Level 24  
    Posts: 811
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    It seems to me that the author of the post is not talking about DLNA streaming.
    The point is to send the image (mirror) from the phone to the TV with a technology that will not depend on your wifi access devices and without a noticeable loss of quality.
  • #6 18725730
    Mobali
    Level 43  
    Posts: 11701
    Help: 1328
    Rate: 3751
    pitron wrote:
    The idea is to send the image (mirror) from the phone to the TV using technology
    probably not quite:
    trade24 wrote:
    The idea is to transfer to the TV screen what is displayed on a laptop with Linux.
    Helpful post? Buy me a coffee.
  • #7 18725735
    pitron
    Level 24  
    Posts: 811
    Help: 51
    Rate: 99
    Oops sorry, of course not the phone. But in this case it doesn't matter.

    Added after 5 [minutes]:

    Unless it's supposed to look like RDP or VNC, but then you need, for example, Odroid connected to the TV.

    Added after 8 [minutes]:

    DLNA pulls data and decodes on the device side is nice and smooth.
    Desktop live streaming will be limited by your network bandwidth.
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  • #8 18726176
    trade24
    Level 3  
    Posts: 171
    Rate: 10
    Of course, it's about Live streaming from a Laptop to a Samsung Smart TV but without Android
  • #10 18727945
    trade24
    Level 3  
    Posts: 171
    Rate: 10
    A bit expensive, it's strange that sharing movies from yt works but there you have to enter a special code and pair it with the TV. I wonder if it can be done through Vplayer to send a movie from a computer to a smart TV screen
  • #11 18728011
    gkwiatkowski
    CCTV and Stationary Alarms specialist  
    Posts: 4630
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    trade24 wrote:
    A bit expensive, it's strange that sharing movies from yt works but there you have to enter a special code and pair it with the TV.

    Expensive, because you have to compress the HDMI signal in real time.

    trade24 wrote:
    I wonder if it can be done through Vplayer to send a movie from a computer to a smart TV screen


    It depends what this SMART TV can pick up.
  • #12 18734799
    trade24
    Level 3  
    Posts: 171
    Rate: 10
    gkwiatkowski wrote:
    It depends what this SMART TV can pick up.


    You Tube can pick up from the phone, so maybe the movie will fly through VLC player ...

    I have Win 10 on the same laptop, yesterday I played the image on the TV without any problems using Windows tools and saw the computer desktop ... It's a bit of a shame that Ubuntu doesn't have such tools and that you have to mess with some external devices. I didn't know that I would ever praise Windows but in this case the simplicity of this operation should be praised as opposed to Ubuntu...
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Topic summary

✨ The discussion revolves around finding a solution for screen mirroring from a Linux Ubuntu laptop to a Samsung Smart TV without using cables or Chromecast. Users suggest various methods, including the use of Miracast with Intel Vpro processors, which primarily works on Windows, and alternatives like Widi. A guide for live desktop streaming via DLNA on GNU/Linux is provided, although concerns are raised about the quality and bandwidth limitations of such methods. Some users mention the possibility of using HDMI converters for wireless signal transmission, albeit at a high cost. The author expresses frustration over the lack of straightforward tools in Ubuntu compared to Windows for this task.
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FAQ

TL;DR: To mirror Ubuntu to a Samsung Smart TV without Chromecast, use 1:1 wireless HDMI; "1to1 transmitters" worked best, while Miracast/WiDi favor Windows. [Elektroda, pitron, post #18725652]

Why it matters: This FAQ helps Ubuntu laptop users understand practical, no-Chromecast options for getting their screen onto a Samsung Smart TV, plus the trade‑offs and costs.

Quick-Facts

Quick Facts

Quick-Facts

How can I mirror my Ubuntu laptop to a Samsung Smart TV without Chromecast?

Use a 1:1 wireless HDMI transmitter/receiver to mirror the entire screen. As noted, “1to1 transmitters” worked well, though one vendor disappeared. Miracast tends to work with Intel vPro on Windows. On Linux, combining with WiDi is still a workaround. [Elektroda, pitron, post #18725652]

Is DLNA the same as screen mirroring on Ubuntu?

No. DLNA streams media files that the TV decodes. “DLNA pulls data and decodes on the device side.” That is smooth for supported formats, but it is not a live desktop mirror. Desktop live streaming is also constrained by your network bandwidth. [Elektroda, pitron, post #18725735]

Why are wireless HDMI kits pricey for this?

They compress HDMI video in real time, which needs dedicated hardware. As one expert put it, “Expensive, because you have to compress the HDMI signal in real time.” That cost buys you cable-like mirroring without relying on your home router. [Elektroda, gkwiatkowski, post #18728011]

Can VLC or VPlayer mirror my desktop to the TV?

They can stream videos via DLNA/UPnP, but that is not true desktop mirroring. The TV decodes the stream and shows media, not your full desktop UI. Live desktop streaming over the network also hits bandwidth limits quickly. [Elektroda, pitron, post #18725735]

Can I do this without Android or Chromecast?

Yes. A wireless HDMI transmitter/receiver pair can mirror your laptop to the TV without Android or Chromecast. The trade‑off is price, because of the required real-time compression hardware in these kits. [Elektroda, gkwiatkowski, post #18727886]

Will Miracast work well on Ubuntu?

Miracast works reliably with Intel vPro on Windows. On Linux, you would need to combine with WiDi, and results vary. Native, polished Miracast support on Ubuntu remains limited compared with Windows tools. [Elektroda, pitron, post #18725652]

Why did Windows 10 mirror instantly but Ubuntu didn’t?

Windows 10 includes built-in wireless display tools that paired and mirrored the desktop. The same laptop on Ubuntu lacked an equivalent one-click tool in this thread. Ubuntu thus required external hardware or more complex setups. [Elektroda, trade24, post #18734799]

How do I try DLNA live desktop streaming on Ubuntu?

  1. Open the linked GNU/Linux DLNA desktop streaming guide.
  2. Follow its steps to expose your desktop as a DLNA stream.
  3. On the Samsung TV, select the DLNA source and play the exposed stream. [Elektroda, Mobali, post #18725669]

Can I avoid using my Wi‑Fi router for mirroring?

If you want independence from Wi‑Fi access devices, avoid network-based streaming. Network methods like DLNA rely on your LAN and its bandwidth. Choose a solution that does not depend on your router for the display link. [Elektroda, pitron, post #18725720]

Can I use an Odroid or similar device as a receiver?

Yes. Connect an Odroid to the TV over HDMI. Then remote into it from your laptop via RDP or VNC to view the desktop on the TV. This mimics mirroring without relying on the TV’s apps. [Elektroda, pitron, post #18725735]

What resolution and audio does Miracast support?

Miracast supports up to 1080p HD video using H.264 and up to 5.1 surround audio. Many TVs and adapters implement these capabilities, but check device certifications. This defines expected quality for wireless display links. [“Wi‑Fi CERTIFIED Miracast”]

Are 1:1 HDMI transmitters still available?

One cited vendor, Itrio, used to make 1:1 HDMI transmitters and worked well, but it is no longer on the market. Look for current equivalents from active brands. Availability shifts over time. [Elektroda, pitron, post #18725652]

Will my Samsung TV accept streams from Ubuntu?

It depends on what your SMART TV can receive. Some models accept app-level casting, while others need DLNA or external receivers. Verify supported inputs and apps on your TV. [Elektroda, gkwiatkowski, post #18728011]

Is sharing YouTube via a code the same as mirroring my Ubuntu desktop?

No. YouTube pairing from a phone is app-level casting that plays specific videos. It does not mirror your entire desktop environment from Ubuntu. Desktop mirroring requires different tech than app casting. [Elektroda, trade24, post #18727945]
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