Connecting a laptop to a Xiaomi TV opens up new possibilities: watching movies on a large screen, high-resolution presentations or even playing comfortably on the couch. However, many users face problems from lack of image to incorrect sound. In this article, we will discuss all the current ways of connecting (including hidden MIUI TV features), discuss in detail the setting of resolution and sound, and give a checklist for troubleshooting.
Xiaomi TVs (Mi TV A, Mi TV Q, Redmi Smart TV, etc.) feature support for both classic interfaces (HDMI 2.1, USB-C) and proprietary technologies like Miracast and AirPlay (on new models), while Xiaomi TVs from 2023-2026 require the mandatory activation of the For Developers mode for wireless connection via Miracast โ this is not known to many. We will tell you how to do this without the risk of resetting.
Connection via HDMI: step-by-step instructions with photo
The most reliable and versatile way is to use an HDMI cable, which is suitable for all laptops (on Windows, macOS or Linux) and Xiaomi TVs, including budget models like the Redmi Smart TV X43.
- ๐ Cable HDMI 2.0 or higher 4K@60Hz is mandatory HDMI 2.1)
- ๐ป Laptop with port HDMI or adapter (e.g, USB-C โ HDMI MacBook)
- ๐บ Xiaomi TV with a free port HDMI (usually signed HDMI 1/ARC or HDMI 2)
Connect the cable to your laptop and TV, then:
- On the Xiaomi remote, press the INPUT (or Source) button and select the HDMI port to which the cable is connected.
- On your laptop, press Win + P (for Windows) and select Duplicate โ the same image on your laptop and TV Expand โ the desktop will continue on your TV Only the second screen โ the image only on TV
screen-response
1920ร1080
3840ร2160
4K
The cable is connected to the HDMI 2.0/2.1 port (not ARC unless audio is needed).
Laptop and TV are included in the same socket (avoid extension cords)
The correct signal source is selected on TV (INPUT button)
In the settings of the laptop, the mode "Saving charge" is disabled (can block the output of video)-->
If there is an image but no sound:
- Right-click on the sound icon in the Windows tray โ Open the sound settings.
- In the Withdrawal section, select a device with the name of your TV (e.g. Xiaomi Mi TV).
- If you donโt have an option, update your sound card drivers or check the cable (you may need an ARC-enabled HDMI).
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If Xiaomi TV does not recognize the laptop through HDMI, Try to disable the function HDMI-CEC in the settings of TV (Settings) โ System system โ HDMI-CEC). Sometimes it conflicts with graphics card drivers. NVIDIA/AMD.
2 Wireless Wi-Fi connectivity (Miracast and AirPlay)
If wires are intruding, you can connect by air. Xiaomi TVs support two protocols:
- Miracast is the standard for Windows and Android (on all Mi TV models after 2019).
- AirPlay โ only on newer TVs (Mi TV Q2 series, Xiaomi TV A Pro and later) for connection with MacBook or iPhone.
For Miracast:
- On Xiaomi TV, go to Settings โ Connection and Sharing โ Wireless projection.
- Activate Miracast mode (called Wireless Display).
- On a Windows 10/11 laptop, press Win + K and select your TV from the list.
What if Miracast isn't there? On some Xiaomi models (like the Redmi Smart TV X50), Miracast is hidden.
For AirPlay (only for Apple devices):
- Make sure that your laptop and TV are connected to the same Wi-Fi network.
- On your TV, turn on AirPlay in Settings โ Apple AirPlay and HomeKit.
- On MacBook, open Control Center โ Screen Mirror and select your Xiaomi TV.
HDMI-cable|Miracast (wireless)|AirPlay (for Apple)|USB-C|Not plugged in.-->
Connection via USB-C: features and limitations
Modern laptops (such as MacBook Pro, Xiaomi Mi Notebook Pro or Lenovo Yoga) often feature a USB-C port with DisplayPort Alt Mode support. This allows you to transmit a video signal via USB-C, but there are nuances:
- โก Xiaomi TVs with a port USB-C (Like Mi. TV Q1E) Support only input (i.e. you can connect a flash drive, but not a laptop).
- ๐ For the return connection (laptop) โ TV needs an adapter USB-C โ HDMI (cost โฝ).
- ๐ฎ For 4K@120Hz will require an adapter with a DisplayPort chip 1.4 (Cheap Chinese adapters often donโt pull high resolutions).
Instructions:
- Connect the USB-C โ HDMI adapter to your laptop.
- Connect the adapter to the TV with an HDMI cable.
- On your laptop, select the image output mode (Win + P for Windows).
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USB-C โ HDMI adapters often require additional power. If the image flashes or disappears, connect the adapter to charging via a USB-C port.
4. Setup of permission and frequency of update
Once you connect your laptop to your Xiaomi TV, you may need to manually adjust the resolution, and the wrong settings lead to blurred images, edge trimmings, or artifacts. Here's how to optimize the image:
| Model TV set | Recommended authorization | Update frequency (Hz) | HDMI-port |
|---|---|---|---|
| Redmi Smart TV X43/X50 | 3840ร2160 (4K) | 60 | HDMI 2.0 |
| Mi TV Q1E/Q2 | 3840ร2160 (4K) | 120 (for gaming PCs) | HDMI 2.1 |
| Mi TV A55/A65 | 1920ร1080 (Full HD) | 60 | HDMI 1.4 |
| Xiaomi TV 6 OLED | 3840ร2160 (4K) | 120 | HDMI 2.1 (Port 1) |
How to change the resolution on the laptop:
- ๐ช Windows 11/10: Parameters โ System system โ Display. โ Screen resolution.
- ๐ macOS: System settings โ Monitors โ Permission.
- ๐ง Linux (Ubuntu): Settings โ Displays.
If the required permission is not on the list:
- On Windows, click on Additional Display Parameters โ Adapter Properties.
- List of all modes โ select the desired resolution and frequency.
- If the option is not available, update the graphics card driver (NVIDIA, AMD or Intel).
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On Xiaomi TVs with OLED-screens (e.g. Xiaomi) TV 6 OLED) Enable Game Mode (Settings) โ Picture โ Image mode โ Gaming) to reduce input delay to 8-12 ms.
5 Problems and Errors: How to Resolve
Even with the right connection, you can have failures, and here are the most common errors and their solutions:
- ๐ฅ๏ธ No image: Check the cable (try another one) HDMI). Reboot your laptop and your TV. On your laptop, update your graphics card driver.
- ๐ No sound: In your laptop audio settings, select the TV as the output device. Check that the cable supports ARC (if connected to the port HDMI ARC). Turn off Bluetooth headphones (they can block the output of sound on the headset). HDMI).
- ๐ถ Miracast does not connect: Make sure your laptop and TV are on the same Wi-Fi network. VPN Reboot the router on your laptop.
What if Xiaomi TV writes "Unsupported format"? This error occurs if the laptop is transmitting a signal with a resolution or frequency that the TV does not support.
โ ๏ธ Note: If you connect a laptop with a video card NVIDIA Xiaomi TV 4K, control panel NVIDIA Turn off the color range restriction option (Change resolution section) or the colors will be faded.
6. Optimization for Games and Video
If you connect your laptop to your TV for games or movies, it's important to minimize delays and make the most of the screen.
- ๐ฎ For gamers: Turn on Game Mode on your TV (Settings) โ Picture โ Image mode. On the video card. NVIDIA Activate G-Sync if the TV supports HDMI 2.1). Set the permit. 2560ร1440@120Hz or 3840ร2160@60Hz (depending on the TV model).
- ๐ฌ For the movie: Enable Dolby Vision or HDR10 In the settings of the TV. On a laptop in a player (for example, Kodi or VLC) select the output of sound through HDMI (Wasapi. Turn off motion processing (Settings) โ Picture โ Moving) to avoid the soapy effect.
To check the input delay (important for games), you can use the test on the TestUFO website. The optimal value for Xiaomi TV is less than 15 ms in Game Mode mode.
7. Alternative methods: Chromecast and DLNA
If standard methods are not suitable, additional devices or protocols may be used:
- ๐ฑ Google Chromecast: Connect Chromecast to your TV HDMI. On your laptop, open Chrome and select Broadcast โ Setting up sources โ Chromecast. Supports the broadcast of browser tabs and media files.
- ๐ DLNA: Turn it on on the TV. DLNA (Settings โ Network โ Multimedia sharing. On your laptop, use programs like Plex or Kodi to stream files. MKV, MP4, JPG.
The advantage of these methods is that there is no need for wires, but there are also disadvantages:
- Delay in video broadcasting (up to 2-5 seconds).
- Dependence on the speed of Wi-Fi (minimum 50 Mbit / s for 4K).
- Not all video formats are supported (for example, AVI may not play).