Modern Smart TV Sony's TVs are equipped with powerful multimedia capabilities, allowing you to eliminate unnecessary wires and enjoy content on the big screen. Stream video files from your PC or laptop to your TV via Wi-Fi has become the de facto standard for home theater. This eliminates the need to run long HDMI cables or lug heavy external hard drives from device to device.
However, the setup process can seem complicated for an inexperienced user due to the multitude of available data transfer protocols. In this article, we'll cover the setup process in detail. DLNA, use the function Miracast Or use third-party media servers for a perfect picture. You'll learn which file formats are supported natively and which require transcoding.
To get started, make sure your Sony Bravia and the computer are connected to the same wireless network. This is a basic requirement for all methods described below. If the router broadcasts on both 2.4 GHz and 5 GHz frequencies, it's best to have both devices in the same band for maximum transfer speed.
Checking network settings and preparing equipment
The first step is to verify the connection. Devices must be able to see each other on the local network. On Sony TVs with Android TV or Google TV operating systems, check the connection status in the menu. Settings → Network & InternetThe status should read "Connected" and the IP address should be obtained automatically.
On a Windows computer, it's important to ensure that the current network profile is marked as "Private Network." In "Public Network" mode, the system blocks detection of other devices for security reasons, making video streaming impossible. Go to Settings → Network & Internet → Status and change the network type.
⚠️ Note: Antivirus programs or firewalls on your PC may block incoming connections from the TV. If the devices are unable to connect, temporarily disable the protection or add an exception for the media service.
Connection stability directly impacts playback quality. To view videos in HD resolution 4K HDR The channel bandwidth must be high. If the router is located far from the TV, lag or buffering may occur.
- 📡 Check that both devices are connected to the same SSID network.
- 💻 Make sure network discovery is enabled on your PC.
- 📺 Update your Sony TV firmware to the latest version.
- 🔒 Disable AP Isolation in your router settings.
After completing these simple steps, the foundation for wireless data transmission is laid. Now you can move on to choosing the specific streaming method that best suits your needs and video file format.
Streaming via the built-in Windows DLNA server
The easiest way to transfer a movie is to use a standard protocol DLNA, which is built into the Windows operating system. You don't need to install any additional software; you just need to properly configure folder sharing. Sony TVs treat your computer as an external drive, allowing you to select files through the standard interface.
To activate the feature, open "Streaming Media Settings" in the Control Panel. The system will prompt you to enable streaming, after which your device will appear in the list of available devices. Sony TVAllow access, and the Videos, Music, and Pictures folders will become available for scanning.
☑️ Setting up DLNA on Windows
It's important to note that the built-in Windows server has limitations in the formats it supports. If the video doesn't play or there's no sound, your TV may not support the codec the file is packaged in. In this case, recoding or using third-party software will help.
File navigation is done via the "Media" menu on the TV remote. The interface may not be the fastest, especially when browsing folders with thousands of files, but for occasional movie viewing, it's quite efficient and doesn't require unnecessary resources.
Using the Cast app in Windows 10 and 11
Modern versions of Windows feature a convenient "Cast to Device" feature that works on top of the DLNA protocol but offers a more flexible interface. You can launch a movie in any video player, right-click the file, or use the player menu to select the output device.
When you select your Sony TV from the list, the video begins buffering and playing on the big screen. The advantage of this method is that you can control playback (pause, rewind) directly from your computer, without leaving your seat. The PC player acts as a remote control.
⚠️ Important: When using the "Broadcast" function, the computer must remain on and not go into sleep mode, otherwise the data transfer will be interrupted.
This method often produces higher image quality than simply forwarding the stream through the TV menu, as Windows can automatically stream the content in a more compatible format. However, the load on the computer's processor and Wi-Fi adapter increases.
- 🎬 Open the video file in the standard Windows player.
- 🖱️ Right-click and select "Cast to device".
- 📺 Select your Sony TV from the drop-down list.
- ⏯️ Control playback through the player window on your PC.
If you plan to watch high-bitrate videos, make sure your Wi-Fi signal is strong enough. Interruptions in the stream can cause audio and video to become out of sync or stop playing entirely.
Miracast technology and wireless display
If your goal is not just to play a file, but to show a presentation, photo gallery, or content from a browser that does not have copy protection, use the technology MiracastIt allows you to mirror your computer screen to a Sony TV in real time. On Sony TVs, this feature is often called "Screen Casting" or "Screen Mirroring."
To connect in Windows 10/11, press the key combination Win + KThe "Connection" panel will appear on the right side of the screen. The system will begin searching for available wireless displays. When your TV's name appears, click it to establish a connection.
Why might Miracast work with lag?
Miracast technology transmits a video stream in real time, compressing and decompressing the image on the fly. This creates a small but noticeable input lag, making it unsuitable for fast-paced games but suitable for viewing static content or videos.
The image from the monitor is completely copied to the TV. You can expand a movie to full screen, and it will take up the entire area of the TV matrix. The resolution will automatically adjust to the capabilities Sony Bravia, providing a clear picture.
It's worth noting that screen mirroring may slow down your computer due to the strain on the graphics processor. It's also not recommended to use this method to view protected content (DRM) from online cinemas—you'll see a black screen instead of the video due to copyright protection.
| Parameter | DLNA/Media Server | Miracast / Mirroring | Plex / Server |
|---|---|---|---|
| PC load | Low | High | Average |
| Picture quality | Original | Compressed | Original |
| Control | From the TV remote control | From a PC keyboard | From the remote control / Smartphone |
| Subtitle support | Depends on TV | As on the PC screen | High |
Organizing your media library with Plex Media Server
For users with a large collection of movies and TV series, installing a server would be the ideal solution. PlexThis software doesn't just transfer files; it creates a beautiful library with cover art, descriptions, cast lists, and trailers. Your Sony TV accesses this library through a native app.
The installation process is simple: download Plex Media Server to your computer, register an account, and specify the folders where your movies are stored. The program will automatically download metadata from the internet. Then, install the Plex app from the Google Play store on your Sony TV and sign in to your account.
Plex's main advantage is its transcoding capability. If your TV doesn't support a video format, a server on your computer transcodes the stream on the fly into a compatible format. This requires a fair amount of CPU power, but guarantees playback of any file.
Plex also lets you pick up where you left off, even if you switch from your TV to another screen. Syncing your viewing progress is one of the ecosystem's key features, making your viewing experience as seamless as possible.
Troubleshooting and speed optimization
Despite the convenience of wireless technology, users often encounter problems: video lags, audio drops out, or the device is offline. Most often, the cause is a congested Wi-Fi channel or insufficient router speed.
If you experience constant buffering when viewing large 4K files, try reducing your network load. Disable downloads on other devices or switch your TV to the 5 GHz band, which is less noisy and provides higher throughput.
⚠️ Please note: Android TV and Google TV operating system interfaces, as well as menu item names, may vary depending on the specific TV model and year. Always consult the official user manual for your Bravia series.
Another common issue is audio codec incompatibility. Video may play, but there will be no sound. In this case, try changing the digital audio output format in your Sony TV settings to PCM instead of Auto or Dolby Digital.
- 🔄 Restart your router and TV to reset the network cache.
- 📉 Reduce the stream quality in the player settings if your internet connection is weak.
- 🛡️ Check if your antivirus is blocking DLNA ports (usually 1900).
- 📶 Move the router closer to the TV or use a Wi-Fi repeater.
In some cases, resetting your TV's network settings to factory defaults can help. This eliminates IP address conflicts that may have arisen after changing hardware or ISP settings.
Comparison of methods and selection of the optimal solution
Each of the methods discussed has its own strengths. Built-in DLNA is good for quick, one-time file transfers without installing any extra software. Miracast is indispensable for screen sharing or displaying photos from a laptop.
However, for regular high-quality movie viewing, Plex or similar servers (Jellyfin, Emby) have proven to be the best. They offer the best user experience, a beautiful interface, and maximum compatibility with all video file formats.
The choice depends on your priorities: ease of setup or quality media library organization. In any case, Sony's modern technology makes it easy to integrate your computer into your home entertainment system.
Why can't my Sony TV see my computer on the network?
Most often, the issue is with the Windows network type ("Public" instead of "Private") or a firewall blocking it. Also, check if the SSDP Discovery service is enabled in Windows.
Is it possible to stream 4K HDR video over Wi-Fi without lag?
Yes, but only when using a Wi-Fi 5 (AC) or Wi-Fi 6 (AX) router and connecting in the 5 GHz band. The 2.4 GHz band may not support 4K video at a sufficient bitrate.
What video format is best for Sony TV?
The most compatible container is MKV or MP4 with the H.264 or H.265 (HEVC) video codec and AAC or AC3 audio track. These formats are supported natively without transcoding.
Do you need internet to stream a movie from your PC to TV?
No, internet access is not required. Both devices must be connected to the same router (local network). Internet access is only required for uploading covers to Plex or for online streaming.