Modern multimedia systems make it easy to eliminate unnecessary wires, turning the living room into a full-fledged cinema or gaming area. Device owners Xiaomi Mi TV People often wonder how to effectively use a large screen to display content from a personal computer. Wireless connection via Wi-Fi is the most convenient solution, eliminating the need to run HDMI cables across the entire room.
There are several proven ways to accomplish this task, each with its own characteristics and use cases. You can use the built-in functions of the operating system. Windows, third-party apps, or streaming standards. The choice of a specific method depends on what you plan to do: watch movies, present presentations, or play games.
In this article, we'll take a detailed look at all current connection options, focusing on technical nuances and potential compatibility issues. Proper setup will ensure stable, high-quality video signal transmission without lag. It's important to understand the differences between the technologies. Miracast, DLNA And Google Castto choose the best path for your situation.
Network requirements and preparation steps
Before setting up the stream, you need to make sure your local network is ready to handle a heavy video stream. A fundamental requirement is that all devices are on the same subnet. This means both your computer and TV. Xiaomi must be connected to the same router.
If you're using a dual-band router, pay attention to the signal frequency. For high-definition video transmission, 4K or 1080p The use of a range is highly recommended 5 GHzIt provides higher throughput and is less susceptible to interference from neighboring networks and household appliances.
⚠️ Note: If your computer is connected via Ethernet and your TV via Wi-Fi, they should still be connected to the same router. However, in some complex corporate networks with separate VLANs, devices may not be able to see each other even when physically adjacent.
It's also worth checking that the software on both devices is up to date. On TVs Android TV from Xiaomi Patches are frequently released to improve the stability of wireless modules. On your PC, make sure the wireless adapter drivers are installed correctly and support the function. Wi-Fi Direct.
☑️ Checking connection readiness
Using the built-in Projection feature in Windows
The easiest and fastest way to display an image is to use the operating system's native function. Windows 10 And Windows 11This technology is based on the standard Miracast, which is supported by most modern TVs, including models XiaomiYou don't need to install any additional software.
To get started, press the key combination Win + K on your computer's keyboard. The "Connect" panel will appear on the right, where the system will begin searching for available wireless displays. If the TV is turned on and connected to the network, its name should appear in the list within a few seconds.
After selecting a device, a connection confirmation message may appear on the TV screen. Use the remote control. Xiaomito allow access. Once paired, you can choose the operating mode: screen mirroring or desktop extension. In extension mode, the TV becomes a second monitor, convenient for multitasking.
- 🖥️ Duplication: full copy of the image from the PC monitor to the big screen.
- 📐 Extension: the desktop continues on the TV, you can drag windows.
- 📺 Second screen only: the image on the monitor goes out and is displayed only on the TV.
It is important to note that the quality of transmission Miracast This may vary depending on signal strength. If you notice audio and video out of sync or image artifacts, try reducing the distance between the router and your devices.
What to do if Windows doesn't see the TV?
Make sure the Wi-Fi Connection Manager service is enabled on your PC. Also, check if your antivirus or firewall is blocking the detection of devices on your local network. Sometimes, rebooting the Wi-Fi module on your router helps.
Broadcast via Google Chrome (Chromecast)
Televisions Xiaomi run on an operating system Android TV, which has built-in support for the technology Google CastThis allows you to broadcast the contents of a browser tab. Google Chrome or the entire screen directly to a TV. This method is especially convenient if the standard Windows connection is not working reliably.
To get started, open your browser. Chrome On your computer. Click the three-dot menu in the upper-right corner and select "Save and Share" (or just "Cast" in older versions), then "Cast..." In the window that opens, select your TV. Xiaomi from the list of available devices.
By default, the browser will offer to cast the current tab. However, by clicking the "Sources" button, you can select the "Cast Screen" option. This will allow you to display everything that's happening on your PC desktop, including other programs and games not connected to the browser, on your TV.
| Parameter | Miracast (Win+K) | Google Cast (Chrome) |
|---|---|---|
| Latency | Low | Average |
| Picture quality | High | Depends on the network |
| Sound support | Yes | Yes |
| Work in the background | Yes | An open tab is required |
Usage Chromecast Using a browser offers the advantage of cross-platform support. You can broadcast your screen not only from Windows, but also with macOS or Linux, if they have a corresponding browser installed. However, it's important to note that this method places additional load on the computer's processor.
Playing media files via DLNA
If your goal is not to broadcast your desktop, but simply to watch a movie or photos stored on your computer's hard drive, the technology DLNA will be the most effective solution. It allows the TV Xiaomi View media folders on your PC as network storage.
In the operating system Windows You need to enable the media server. Go to "Settings" -> "Network & Internet" -> "Status" -> "Sharing Options." Turn on network discovery and file sharing. Then, search for "Streaming media settings" in the system search bar and enable this feature.
On TV Xiaomi open the Media Player app (or something similar, for example, MX Player or VLC). In the sources section, select your computer. You'll see a structure of folders marked for sharing. Simply select a video file, and it will start playing directly from your PC's drive, without loading the processor with recoding.
- 📂 Local access: files are not copied, but read directly from the disk.
- 🎞️ Format support: depends on the built-in codec of the TV or the installed player.
- 🎮 Control: You can use the TV remote control to rewind and pause.
This method is ideal for watching high-bitrate videos, where wireless screen mirroring might otherwise cause choppy performance. The TV decodes the video stream itself, receiving data over the network.
⚠️ Note: The interfaces of the Windows menu and applications on the TV may differ depending on the firmware version MIUI for TV or Android TVIf you can't find the item you're looking for, use the search within the TV settings menu.
Third-party apps for advanced features
Built-in tools don't always provide the required level of functionality, especially when low latency for gaming or specific image settings are required. In such cases, specialized applications installed on both the PC and TV come to the rescue. Xiaomi.
One of the popular solutions is a bundle of applications that work on the protocol AirPlay or proprietary compression algorithms. For example, the application AirScreen on the TV allows you to receive a signal not only from Apple devices, but also to work effectively with WindowsOn the PC side, you can use programs like LetsView or ApowerMirror.
These programs often offer additional features, such as computer control with a TV remote, bidirectional audio streaming, and screen recording. However, it's important to remember that free versions may have session time or image quality limitations and may contain ads.
For gamers who want to play PC games on their TV, there are streaming solutions such as Steam Link. After installing the application Steam Link on TV Xiaomi and launching the client Steam On your computer, you can play your PC game library on the big screen with minimal lag using a controller connected to your TV.
Solving common connection problems
Even with proper setup, users may encounter difficulties. One common issue is that the TV doesn't appear in the list of available devices. First, check the network type in WindowsIf the network is marked as "Public," the system blocks detection. Switch the network profile to "Private" in the Wi-Fi settings.
Another common issue is an intermittent connection or low resolution. This is a clear sign of insufficient bandwidth. Wi-FiTry disabling other devices that actively consume bandwidth (downloads, phone streams). Switching your router to a less congested channel may also help.
If the sound is coming from your computer and not your TV, you need to manually change the playback device. Click the speaker icon in the system tray. Windows, select the arrow next to the volume slider and select your TV Xiaomi as the default output device.
- 🔄 Reboot: turn off and on the router, TV and PC.
- 🛡️ Antivirus: Temporarily disable the firewall to test.
- 📶 Drivers: Update your wireless adapter driver from the manufacturer's website.
In some cases, the issue lies with power saving. Windows may disable the Wi-Fi adapter to save power. Go to Device Manager, find your wireless adapter, open its properties, and in the "Power Management" tab, uncheck the box next to Allow the device to turn off.
Why does image lag occur?
Latency in wireless streaming is caused by the time required to encode the video stream on the PC, transmit it over the air, and decode it on the TV. Using the 5 GHz band and reducing the transmitted image resolution helps minimize this effect.
Is it possible to play fast-paced shooters over Wi-Fi?
For fast-paced games where every millisecond counts (shooters, fighting games), wireless connection via Miracast or Chromecast is not recommended due to the inevitable input lag. For such games, it's better to use an HDMI cable or Game Streaming technology with a dedicated channel.
How to improve the image quality if it is blurry?
Make sure your Windows resolution settings are set to your TV's native resolution (usually 1920x1080 or 3840x2160). Also check your scaling settings. If you're using DLNA, make sure the source video file is high quality, as compression during streaming can reduce detail.