Connecting an extra screen to a Xiaomi TV is a challenge that gamers who want to expand the gaming space and office workers who organize multitasking workstations face. But even a seemingly simple procedure can turn into problems, from no image to incorrect zooming or missing sound. In this article, we will analyze all the current ways of connecting โ from classic HDMI to wireless technologies Miracast and AirPlay, and also tell you how to adjust the resolution, refresh rate and synchronization of sound for models of Mi TV 4S, Mi TV Q2, Redmi Smart TV and others.
We'll focus on common mistakes: why the TV can't see the connected monitor, how to fix blurry images when you duplicate the screen, and what to do if the sound is only coming through the speakers of the laptop. At the end of this article, you'll find a table of interface compatibility and answers to frequent questions about setting up multi-monitor systems on Xiaomi.
1.Preparation: What will be needed to connect
Before you connect the TV to the external screen, check out three key points:
- ๐ Interfaces on TV: most Xiaomi models (e.g. Mi) TV P1 or Redmi X50) ported HDMI 2.1, HDMI-ARC, USB-C (DisplayPort Alt Mode and 3.5mm AUX. Require your model specifications in the documentation.
- ๐ฅ๏ธ Interfaces on a connected device: laptops often have HDMI, USB-C/Thunderbolt or DisplayPort. PCs may require a multi-output video card.
- ๐ Cables and adapters: if the interfaces do not match (e.g, USB-C laptop HDMI On TV, get the adapter ready. For wireless, check Miracast or Wi-Fi Direct.
Important: If you connect a game console (such as PS5 or Xbox Series X), use HDMI 2.1 to support 4K@120Hz or VRR. HDMI 2.0 (maximum 4K@60Hz) is sufficient for office tasks.
โ ๏ธ Note: Some Xiaomi models (e.g. Mi) TV 4A 2018 years have only HDMI 1.4, which does not support the above-mentioned 4K@30Hz. Check the characteristics of your TV in the Settings menu โ On TV.
2. HDMI connection: step-by-step instruction
HDMI remains the most reliable and versatile way to connect, and letโs take a look at how to connect a Xiaomi Mi TV Q2 75 with a Windows 11 laptop.
- Turn off both devices before connecting the cable โ this will prevent possible recognition failures.
- Connect. HDMI-port HDMI IN on the TV (usually numbered: HDMI 1, HDMI 2 ARC For game consoles, use a port marked HDMI 2.1 (if any).
- Turn on the TV and go to the signal source: on the Xiaomi remote, click the Input button (or Source) and select the appropriate one. HDMI-port.
- On a laptop or PC, press Win + P and select the display mode: ๐ Duplicate โ the same image on both screens. ๐ฅ๏ธ Expand โ the desktop increases to the second screen. ๐บ Second screen only โ the image is only on the TV.
If the image does not appear:
- ๐ Check if the cable is working (try another one).
- ๐ง Update the graphics card drivers on PC/laptop.
- ๐บ On the TV, go to Settings. โ Display and sound โ Permission HDMI and choose the Auto.
Cable connected to HDMI IN port on TV|
Signal source selected correctly |
Screen expansion mode activated on PC/laptop |
Video card drivers updated-->
Connection via USB-C: features and limitations
Many modern laptops (such as the MacBook Pro or Xiaomi Mi Notebook Pro) have only a USB-C/Thunderbolt port.
- ๐ Active adapter USB-C โ HDMI (Passive may not work!. We recommend models with a DisplayLink chip for stable transmission 4K.
- ๐บ Port TV HDMI 2.0 or later (for permissions above) 1080p).
Instructions:
- Connect the adapter to the USB-C port on the laptop.
- Connect the adapter to the TV through HDMI-cable.
- On a Windows laptop, go to Settings โ System โ Display and set resolution. On macOS, open System Settings โ Monitors.
โ ๏ธ Attention: Some adapters USB-C โ HDMI They don't support sound transmission, so use a separate 3.5 mm. AUX-cable or connect the sound via Bluetooth.
Why USB-C might not work with Xiaomi TV
4. Wireless connectivity: Miracast and AirPlay
If wires are intruding, you can use wireless technology. Xiaomi TVs support:
- ๐ถ Miracast (for Miracast) Windows/Android) โ It is built into most models since the Mi. TV 4.
- ๐ AirPlay (for AirPlay) iPhone/iPad/Mac) โ available on TVs MIUI TV 3.0 newer.
Connection to Miracast (Windows 10/11)
- On TV: Settings โ Connection and Sharing โ Miracast (or Wireless Display).
- On PC: Press Win + K, select your TV from the list.
- Confirm the connection on both devices.
Connect to AirPlay (iPhone/Mac):
- Make sure that the TV and Apple device are connected to the same Wi-Fi network.
- On iPhone: Swipe down for the control panel, tap Screen Repetition and select Xiaomi TV.
- On Mac: System settings โ Monitors โ Add AirPlay display.
Advantages of wireless connection:
- โ No wires.
- โ Quick connection for presentations.
Disadvantages:
- โ Image delay (not suitable for gaming).
- โ Possible artifacts with a weak Wi-Fi signal.
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If Miracast doesnโt find the TV, restart the router and turn off the VPN on your PC โ this often solves the device detection problem.
5. Adjustment of resolution, frequency and sound
After successfully connecting the screen, you may need to adjust the display settings.
| Parameter | Recommended values | How to change |
|---|---|---|
| Permission | 3840ร2160 (4K) or 1920ร1080 (Full HD) | On PC: Settings โ System โ Display โ Resolution |
| Frequency of update | 60 Hz (for office), 120 Hz (for gaming) | On PC: Settings โ System โ Display โ Additional display parameters |
| Scaling | 100% (no increase) | On PC: Parameters โ System โ Display โ Scale |
| Sound. | HDMI or Bluetooth | On PC: Parameters โ System โ Sound โ Output device |
If the image is blurred or cropped:
- ๐ง On TV: Settings โ Display and sound โ Image mode โ Precise (disables scaling).
- ๐ฅ๏ธ On PC: Update your graphics card drivers and select Recommended Resolution.
Critical note: On Xiaomi TVs with an Amlogic processor (such as Mi TV 4A), there may be flickering at 4K resolution via HDMI 1.4. In this case, force the 1080p resolution or use HDMI 2.0.
6. Connecting the second screen for games (PS5, Xbox, Nintendo Switch)
Gaming consoles require a special approach due to high resolution, frame rate and input latency requirements. for Xiaomi TV relevant recommendations:
- ๐ฎ PS5/Xbox Series X: Use the port HDMI 2.1 for 4K@120Hz or VRR. In the console settings, activate Dolby Vision (if the TV supports the device).
- ๐ Nintendo Switch: Connect to the Mode TV Mode via the original docking station. 1080p TV is required HDMI 2.0.
Setting up the game mode on Xiaomi TV:
- Go to Settings โ Display and Sound โ Image Mode โ Game.
- Activate ALLM (Auto Low Latency Mode) to automatically reduce latency.
- Turn off post-processing: Settings โ Display and sound โ Movement โ Smoothness of movement โ Off..
โ ๏ธ Attention: When connected PS5 Xiaomi Mi TV Q2 through HDMI 2.1 may not have sound in the console menu. Solution: in the audio settings PS5 choose HDMI Device Type โ AV Amplifier.
7. Solving typical problems
Even with the right connection, there can be failures, and let's look at the most common errors and how to fix them:
| Problem. | Possible cause | Decision |
|---|---|---|
| No image. | Wrong source, failure. HDMI-port | Check the cable, switch the source to TV, reboot the devices |
| The sound is coming through the laptop. | Not selected HDMI as an output device | On PC: Settings โ Sound โ Output device โ Select HDMI |
| Blurred image | Incorrect resolution or scaling | Set the Recommended PC Permit and Turn Off Scaling on TV |
| Delay in wireless connection | Weak Wi-Fi signal, network congestion | Connect to a 5GHz network or use a wired connection |
If the Xiaomi TV does not recognize the connected device:
- Turn off the cable, reboot both devices.
- Try another one. HDMI-port on the television (for example, HDMI 2 instead HDMI 1).
- Update the TV firmware: Settings โ About TV โ System Update.
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If after connecting the second screen, the main monitor began to display artifacts, lower the resolution on the connected device - this may be a bandwidth limitation. HDMI-port.