How to Screen Mirror Samsung S20 to LG TV: A Comprehensive Guide
Screen mirroring, the process of wirelessly displaying the content of a mobile device on a larger screen, offers a convenient way to share photos, videos, presentations, or even play mobile games on a television. Samsung S20 smartphones, known for their powerful performance and vibrant displays, can be easily mirrored to LG TVs, which are equipped with various screen mirroring technologies. This article provides a detailed guide on how to screen mirror a Samsung S20 to an LG TV, covering different methods, troubleshooting tips, and potential issues that may arise during the process.
Understanding Screen Mirroring Technologies
Before embarking on the screen mirroring process, it is crucial to understand the underlying technologies that facilitate wireless display connectivity. Several protocols are commonly used, each with its own strengths and limitations. The two primary technologies employed for screen mirroring between Samsung S20 and LG TVs are Miracast and Chromecast. Understanding these technologies will help you choose the appropriate method and troubleshoot any problems encountered during the mirroring process.
Miracast: Miracast is a peer-to-peer wireless screen mirroring standard that allows devices to connect directly without requiring a Wi-Fi network. It essentially creates a direct Wi-Fi connection between the transmitting device (Samsung S20) and the receiving device (LG TV). This eliminates the need for a router and simplifies the setup process. Miracast works by establishing a Wi-Fi Direct connection, allowing the devices to communicate directly with each other. The latency is typically low, making it suitable for activities like watching videos and playing games. Most modern LG TVs support Miracast, often referred to as "Screen Share" or "Wireless Display".
Chromecast: While not a direct screen mirroring technology strictly speaking, Chromecast allows users to "cast" content from their Samsung S20 to an LG TV that has Chromecast built-in or connected via a Chromecast device. Casting involves sending a specific stream of data from an application on the phone (e.g., YouTube, Netflix) to the TV without mirroring the entire phone screen. The Samsung S20 acts as a remote control, allowing you to manage playback on the LG TV. Chromecast relies on a Wi-Fi network, as both devices must be connected to the same network to function. It is particularly well-suited for streaming online content.
Methods for Screen Mirroring Samsung S20 to LG TV
Given the presence of Miracast and Chromecast technologies, several approaches can be utilized to screen mirror from a Samsung S20 to an LG TV. Here are the most common and effective methods:
Using Miracast (Screen Share/Wireless Display): This method involves directly connecting the Samsung S20 to the LG TV using the Miracast technology.
1.
Prepare the LG TV:
On your LG TV, navigate to the "Screen Share" or "Wireless Display" input source. The exact name may vary depending on the LG TV model, but it is typically found in the input selection menu. If you cannot find it directly, look for it in the settings menu under "Network" or "Connectivity". Ensure that Screen Share/Wireless Display is enabled on the LG TV. Some models might require you to explicitly turn on the feature in the TV's settings menu.2.
Enable Smart View on Samsung S20:
On your Samsung S20, swipe down from the top of the screen to access the Quick Settings panel. Look for the "Smart View" icon (it might also be labeled "Screen Mirroring" or "Cast"). If you cannot find it, you may need to swipe left on the Quick Settings panel to reveal more icons. If the icon is still absent, go to "Settings" > "Connections" > "More connection settings" and look for "Smart View" or "Screen Mirroring".3.
Select the LG TV:
Tap on the "Smart View" icon. The Samsung S20 will begin scanning for available devices. After a few seconds, your LG TV should appear in the list of available devices. Tap on the name of your LG TV.4.
Establish Connection:
The LG TV will display a connection request. Accept the connection request on the TV using the remote control. The Samsung S20 screen should now be mirrored on the LG TV. This process usually takes a few seconds.5.
Adjust Display Settings (Optional):
After the connection is established, you may need to adjust the display settings on the Samsung S20 or the LG TV to optimize the viewing experience. This may involve adjusting the screen resolution, aspect ratio, or overscan settings. The options for these adjustments can usually be found in the TV's picture settings menu.Using Chromecast (Casting): This method utilizes the Chromecast protocol to stream content from apps on the Samsung S20 to the LG TV. This requires either a Chromecast device connected to the LG TV or an LG TV with Chromecast built-in. Both the Samsung S20 and the LG TV (or Chromecast device) must be connected to the same Wi-Fi network.
1.
Connect to Wi-Fi:
Ensure that both your Samsung S20 and your LG TV (or Chromecast device) are connected to the same Wi-Fi network. This is a critical requirement for Chromecast functionality.2.
Open a Chromecast-enabled App:
Open a Chromecast-enabled app on your Samsung S20. Examples of such apps include YouTube, Netflix, Spotify, Google Photos, and many others. These apps will have a Chromecast icon (a rectangle with a Wi-Fi symbol in the corner) within the app's interface.3.
Tap the Chromecast Icon:
Tap on the Chromecast icon within the app. A list of available Chromecast devices on your network will appear. Select your LG TV (or the Chromecast device connected to it) from the list.4.
Start Casting:
The app will then connect to the LG TV (or Chromecast device), and the content will begin playing on the TV screen. You can control playback (pause, play, rewind, fast forward) using the app on your Samsung S20.5.
Mirror Android Screen via Google Home (Alternative Chromecast):
While Chromecast is primarily designed for casting content from specific apps, the Google Home app allows you to mirror your entire Android screen to the LG TV (via Chromecast). Open the Google Home app on your Samsung S20. Select the Chromecast device (or LG TV with Chromecast built-in) that you want to mirror to. Tap on "Cast my screen" at the bottom of the device card. Confirm that you want to start mirroring by tapping "Start now" when prompted.Troubleshooting Common Screen Mirroring Issues
Screen mirroring, while convenient, can sometimes encounter technical difficulties. Here are some of the most common issues and their potential solutions:
Connection Issues (Miracast):
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Device Not Found:
Ensure that both the Samsung S20 and the LG TV are within a reasonable range of each other. Wi-Fi Direct connections can be affected by distance and obstacles. Restart both the Samsung S20 and the LG TV. This can often resolve temporary glitches that may be preventing the devices from discovering each other. Verify that Miracast (Screen Share/Wireless Display) is enabled on the LG TV. Check for any firmware updates for both the Samsung S20 and the LG TV. Outdated firmware can sometimes cause compatibility issues. Ensure that the Wi-Fi Direct setting is enabled on both devices. On the Samsung S20, this setting is usually automatic when using Smart View. On the LG TV, consult the user manual for instructions on enabling Wi-Fi Direct. Interference from other wireless devices can sometimes disrupt the Wi-Fi Direct connection. Try moving away from other devices that emit wireless signals, such as routers or Bluetooth devices.*
Connection Dropping:
Check the Wi-Fi Direct signal strength. A weak signal can lead to intermittent disconnections. Try moving closer to the LG TV. Similar to device discovery, interference from other wireless devices can also cause connection drops. Minimize interference from other devices. Certain apps or device settings might interfere with screen mirroring. Try closing other apps running in the background on your Samsung S20.Performance Issues (Lag/Buffering):
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Wi-Fi Interference:
As mentioned earlier, Wi-Fi interference can significantly impact the performance of screen mirroring, especially when using Chromecast. Minimize interference from other devices.*
Network Congestion:
If other devices on your Wi-Fi network are consuming a lot of bandwidth (e.g., downloading large files, streaming videos), this can lead to lag and buffering. Reduce the network load by temporarily disconnecting other devices from the Wi-Fi network.*
Device Performance:
The performance capabilities of both the Samsung S20 and the LG TV can affect the smoothness of screen mirroring. Ensure that both devices have sufficient processing power and memory. Close unnecessary apps on the Samsung S20 to free up resources.*
Video Resolution:
High video resolutions can strain the wireless connection and lead to lag. Try reducing the video resolution on the Samsung S20 to see if it improves performance.Audio Issues:**
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No Audio:
Verify that the audio output on the Samsung S20 is set to the LG TV. On the Samsung S20, check the volume settings and ensure that the audio is not muted. On the LG TV, check the audio input settings and ensure that the correct input source is selected.*
Audio Delay:
Audio delays can be caused by network latency or device processing delays. Try restarting both the Samsung S20 and the LG TV. Adjust the audio delay settings on the LG TV (if available). Consult the TV's user manual for instructions on how to access and adjust these settings.Other Issues:**
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Compatibility Issues:
While most modern LG TVs and Samsung S20 devices support Miracast and Chromecast, there may be compatibility issues in certain cases. Check the compatibility list for both devices on the manufacturer's websites.*
DRM Protection:
Some content, such as copyrighted movies and TV shows, may be protected by DRM (Digital Rights Management) technology, which can prevent screen mirroring. In such cases, you may need to use a different method of viewing the content, such as streaming it directly on the LG TV.Optimizing Screen Mirroring for Enhanced Experience
To ensure an optimal screen mirroring experience between your Samsung S20 and LG TV, consider the following tips:
Maintain a Stable Wi-Fi Connection: For Chromecast-based mirroring, a strong and stable Wi-Fi connection is paramount. Consider using a 5 GHz Wi-Fi network if available, as it generally offers better performance than the 2.4 GHz band. Reduce the number of devices connected to the Wi-Fi network to minimize congestion. Consider upgrading your Wi-Fi router to a newer model with better performance and range.
Close Unnecessary Apps: Before initiating screen mirroring, close all unnecessary apps running in the background on your Samsung S20. This will free up processing power and memory, which can improve the smoothness of the mirroring process.
Adjust Display Settings: Experiment with different display settings on both the Samsung S20 and the LG TV to find the optimal configuration for your specific needs. This includes adjusting the screen resolution, aspect ratio, and overscan settings. On the Samsung S20, you may be able to find these settings in the "Display" section of the settings menu. On the LG TV, consult the user manual for instructions on how to access and adjust these settings.
Keep Devices Updated: Regularly check for firmware updates for both your Samsung S20 and your LG TV. Firmware updates often include performance improvements and bug fixes that can enhance the screen mirroring experience.
Use a Dedicated Streaming Device: If you experience persistent issues with screen mirroring, consider using a dedicated streaming device, such as a Chromecast Ultra or an Apple TV. These devices are specifically designed for streaming content and often offer better performance than built-in screen mirroring features. These devices typically have dedicated hardware and software optimized for streaming, resulting in a smoother and more reliable experience.
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