Modern Smart TVs have become full-fledged multimedia centers, but built-in browsers are often slow, don't support modern extensions, or have an inconvenient remote control interface. In such situations, it's much more efficient to use the powerful hardware of your smartphone or laptop to display content on a larger screen. Wireless transmission signal allows you to instantly display web pages, photos or videos without having to run HDMI cables across the room.
Technologies Miracast, AirPlay And Google Cast We've made this process accessible to the general user. You don't need to be an IT professional to set up a connection, but it's important to understand the basic principles of a local network. Image stability directly depends on the router's signal quality and the correct settings of both devices.
In this guide, we'll cover all the current screen mirroring methods, paying special attention to the nuances of working with browsers on different operating systems. You'll learn how to eliminate lag, improve image quality, and use specialized software for professional content management.
Technical requirements and equipment preparation
Before you begin setup, you need to ensure your infrastructure is ready to transmit high-definition video. A fundamental requirement is that both devices—the signal source (smartphone, tablet, PC) and the receiver (TV)—be in the same location. local Wi-Fi networkIf your router supports dual-band mode, it is highly recommended to use the 5 GHz frequency, as it provides higher throughput.
Check your TV's software version. Manufacturers regularly release updates that optimize the built-in wireless modules. Checking your TV's firmware is the first step to ensuring stable operation.
⚠️ Note: If your router separates the 2.4 GHz and 5 GHz networks into different SSIDs (network names), make sure both devices are connected to the 5 GHz network to minimize latency.
For proper operation, it's also important that the router's AP Isolation feature, which prevents devices within the network from communicating with each other, isn't enabled. Without this setting, the TV simply won't see your phone or computer.
The processor power of the signal source also plays a role. When streaming heavy web pages with numerous scripts or 4K video, a weak smartphone may start to heat up and lag, which will impact the smoothness of the picture on the TV screen.
Stream from an Android smartphone via Google Chromecast
Owners of devices based on Android are in a particularly advantageous position thanks to the deep integration of Google technologies. Most modern TVs have built-in support Google Cast, which allows you to broadcast browser content Chrome or the entire system screen without installing additional applications.
To get started, open the Google Chrome browser on your smartphone. In the settings menu (the three dots in the corner), find "Cast." The system will automatically scan the network and offer a list of available devices. Select your TV from the list.
- 📱 Click the "Cast" icon in the Chrome browser.
- 📺 Select the name of your TV from the list of devices that appears.
- 🌐 Select the "Cast Tab" or "Cast Screen" option.
- 🔊 Make sure that the sound is also transmitted to the TV's external speakers.
If the built-in function does not work or the TV is not detected, you can use third-party aggregator applications such as Web Video Caster or TV CastThey allow you to send links to video files directly to the TV browser, bypassing the screen mirroring step, which often results in better quality.
⚠️ Please note: When mirroring the entire screen (Screen Mirroring), the image resolution may be limited by the aspect ratio of your smartphone, so black bars may appear on the sides.
Using AirPlay for iPhone and iPad Owners
Ecosystem Apple offers one of the most stable wireless data transmission protocols called AirPlayFor it to work, your TV must support AirPlay 2 technology (this applies to Samsung, LG, Sony, and other models released after 2018) or use an Apple TV set-top box.
The process of starting a broadcast is extremely simplified and doesn't require installing any browsers that support casting. Simply open the Control Center on iOS (swipe down from the upper-right corner or up from the bottom on older models) and tap the "Screen Mirroring" button.
It's important to note that when broadcasting via AirPlay from an Apple device, the system automatically optimizes the video stream, minimizing latency. This makes it ideal not only for viewing photos but also for demonstrating presentations or web interfaces in real time.
If you use Safari, make sure your privacy settings aren't set to "hard block trackers," as this can sometimes prevent a proper handshake connection to your smart TV.
Broadcasting from a computer on Windows and macOS
For PC users, the situation is a little more complicated, as standard desktop browsers don't always have a direct "Cast to TV" button in the interface like mobile versions. However, the operating system Windows 10/11 has a built-in projection function.
To display the image, press the key combination Win + KThe "Connection" panel will appear on the right side of the screen. If your TV supports Miracast, it will appear in the list. Once connected, your monitor's screen will be mirrored on the TV.
In the browser Google Chrome On your computer, you can use the built-in Cast feature. Click the three dots in the menu, select "Save and Share" -> "Cast...." This will cast only a specific tab, saving your computer's resources.
| Method | Latency | Picture quality | Sound |
|---|---|---|---|
| Miracast (Windows) | Average | High | Stereo sound |
| Chrome Cast | Low | Depends on the tab | Eat |
| AirPlay (Mac) | Minimum | Excellent | Surround sound |
| DLNA (Media) | No (buffering) | Original | Eat |
For macOS, users can use the built-in AirPlay feature if their TV supports this protocol. Otherwise, third-party receivers will need to be installed on the PC or cables will need to be used.
☑️ Check before broadcasting from a PC
Specialized applications and DLNA
When standard methods do not produce the desired result or advanced features are required, applications that use the protocol come to the rescue. DLNAThis standard allows for the direct transmission of media files and streaming video, using the computing power of the TV itself for decoding.
A popular solution is the app BubbleUPnP or built-in player VLCIn VLC, open the "Browse Local Network" menu, find your TV, and select "Render." After this, any video opened in the player will be sent to the big screen.
The advantage of DLNA is that your phone or computer simply acts as a remote control. You can minimize your browser or even lock your smartphone's screen, and playback on your TV will continue uninterrupted.
However, DLNA isn't suitable for streaming browser interfaces (such as interactive maps or websites with complex layouts), as it's designed exclusively for media content. Screen mirroring is required again.
Why is DLNA better for video but worse for browsing?
DLNA transmits only the video file and playback instructions, forcing the TV to decode the stream itself. This saves battery life. However, a browser is an interactive environment that requires constant streaming of image frames, which is only possible via Miracast or AirPlay.
Troubleshooting and optimizing your connection
Even under ideal conditions, problems can arise: audio and video desynchronization, image artifacts, or complete connection loss. Most often, the cause is radio channel congestion.
Try rebooting your router by unplugging it for 10 seconds. This will clear the device's cache and force it to select a less congested Wi-Fi channel. It's also worth checking to see if other users on the network are downloading large files, hogging the channel.
- 🔄 Restart your router and TV.
- 📶 Move closer to the Wi-Fi access point.
- 🔌 Disable the VPN on the streaming device.
- ⚙️ Reset the network settings on your TV.
If you use a VPN, be sure to disable it before streaming. VPN encryption protocols can block detection of devices on your local network by hiding your real IP address and changing network routes.
⚠️ Note: Menu interfaces and function names may vary depending on the TV manufacturer (Samsung Tizen, LG WebOS, Android TV). Always consult the official documentation for your model if the standard methods don't work.
Frequently Asked Questions (FAQ)
Is it possible to stream a browser to a TV without the Internet, only via Wi-Fi?
Yes, it's possible. Miracast and Wi-Fi Direct don't require an internet connection. Simply enable the router's Wi-Fi module, even if the ISP cable is disconnected. Devices will connect directly or via the router's local network.
Why is there no sound on the TV when streaming video from the browser?
This is most often due to browser security policies or codec issues. Try switching the tab to "Cast Screen" mode instead of "Cast Tab" to capture all system audio.
Does browser streaming affect internet speed?
Yes, broadcasting creates a constant data stream within the network, which can reduce the available speed for other devices, especially if using the 2.4 GHz band. To minimize the impact, use the 5 GHz band.
How to improve the quality of a picture if it is blurry?
Check the screen resolution of the source device. Make sure "Just Scan" or "Fit to Screen" is selected in your TV settings to remove any unnecessary edge cropping (overscan).