How to turn on HDMI on Xiaomi TV: instructions for Mi TV and Redmi Smart TV

Connecting devices via HDMI to a Xiaomi TV seems like a simple task — just insert a cable and wait for the picture to appear. However, in practice, users face problems: the screen remains black, the TV does not see the signal source, or the port does not respond to the connection at all, the reasons can be due to the wrong settings of the Mi TV, and hardware malfunctions.

In this article, we will discuss all the ways of activation. HDMI-port on Xiaomi TVs (including Mi models) TV 4S, Mi TV Q1, Redmi Smart TV X and others), and we'll also tell you how to diagnose typical malfunctions, and you'll learn what settings to check first, how to force the signal source to switch, and what to do if the TV stubbornly ignores the connected device.

Why HDMI might not work on Xiaomi TV?

Before we move on to the settings, it is important to understand why. HDMI-The causes fall into two categories: software (related to the settings of the TV) and hardware (physical damage or equipment incompatibility).

Programme problems include:

• 🔄 Not selected signal source – the TV can show embedded applications (such as PatchWall) by default, rather than an external source.
• 🔧 Unplugged. HDMI-CEC — A feature that allows you to control connected devices from the Xiaomi remote, sometimes conflicts with port recognition.
• 📥 Outdated firmware - in early versions of Mi software TV There were definition bugs HDMI-devices (especially relevant for models 2018-2020).
• 🔒 Childhood mode is activated – restricts access to external sources.

Hardware causes are less common, but they should also be excluded:

• 🔌 Cable or connector damaged – check the cable on another device and inspect the port for bent contacts.
• ⚡ Insufficient power supply – some devices (e.g, NVIDIA Shield or Apple TV) They need to connect to the socket, not USB-television-port.
• 🖥️ Permission incompatibility – if the connected device outputs a signal to 4K@120Hz, and the TV only supports 4K@60Hz, no pictures.

How to turn HDMI on Xiaomi TV: basic instructions

If you’re connecting your device to a Xiaomi TV for the first time, follow this step-by-step guide, which is suitable for all models, including the Mi TV A Pro, Redmi Smart TV X55 and others.

Turn off the TV and connected device from the socket

Put it in. HDMI-cable to port on the TV (usually signed as HDMI 1/2/3)

Connect the second end of the cable to the source device

Turn the TV and device on the network

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Next, follow the following steps:

1. On the Xiaomi remote, press the SOURCE button (or INPUT on some models), and a list of available signal sources will appear on the screen.
2. Pick the right one. HDMI-port, HDMI 1 HDMI 2 ARC). If the port is not displayed, try switching to another port.
3. If the picture does not appear, press the Menu button on the remote. → Go to Settings. → Devices and accessories → HDMI-Check if the device has been identified.

On models with Google TV (e.g. Mi TV Q2), the path may be different:

Settings → Display and sound → Signal source → HDMI

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If the TV doesn’t respond to the SOURCE button, try holding it for 3-5 seconds, which will force you to update the source list.

HDMI-CEC setup: why you need it and how to turn it on

HDMI-CEC (also known as Mi AnySee or EasyLink) allows you to control connected devices (such as a console or sound bar) from the TV remote, but sometimes it interferes with the correct identification of the source.

To enable or disable HDMI-CEC:

1. Go to Settings. → Devices and accessories → HDMI-device.
2. Select Mi AnySee (or HDMI-CEC on older models).
3. Activate or deactivate the function. If the device is not detected after activation, try turning off the CEC and reconnect the cable.

On models with MIUI TV firmware older than version 3.0, HDMI-CEC may not work smoothly. Update through Settings → About TV → System Update.

What to do if Xiaomi TV see HDMI-device?

If after connecting the cable, the TV persistently ignores the source of the signal, follow the following steps:

⚠️ Note: Some devices (such as the Raspberry Pi or older graphics cards) require forced inclusion HDMI-Check the documentation for your device.

Diagnostic algorithm:

1. Check the cable: Try another HDMI-cable (preferably version 2.0 or 2.1 for the 4K). Cheap cables often don’t support high resolution.
2. Reboot devices: Turn off the TV and the signal source from the socket for 1-2 minutes, then turn it on again.
3. Reset the settings. HDMI: Settings menu → Devices and accessories → HDMI-Devices select Reset settings HDMI.
4. Check the resolution: On a connected device (like a PC), set the resolution 1920×1080@60Hz and see if the picture appears. Then gradually increase to 4K.

If nothing helps, try forced source switching:

• 🔄 On the remote, press the button. SOURCE 5-10 seconds.
• 📺 Some models have a combination: Menu → Settings → Additionally. → Manual switching HDMI.

Features of connecting game consoles (PS5, Xbox, Nintendo Switch)

Gaming consoles often require additional settings to work correctly with Xiaomi TV. For example, the PlayStation 5 defaults to 4K@120Hz, which may not be supported by the TV.

Instructions for popular consoles:

• 🎮 PS5: Go to Settings. → Screen and video → Release the video and set the permission: 1080p (if 4K It's not working. Turn off 120 Hz and VRR.
• 🖮 Xbox Series X/S: Settings menu → General. → Select the screen settings to select the resolution: 1080p and disable Dolby Vision.
• 🏠 Nintendo Switch: Select TV resolution in the console settings: 1080p (Even if the TV is still on 4K, Switch is maxing out 1080p).

For Xiaomi models with support for ALLM (Auto Low Latency Mode), it is recommended to enable this mode:

Settings → Display and sound → Game mode → Enable

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If the TV gives an error "No signal" when connecting the console, try using the HDMI-marking-port ARC eARCs are generally better compatible with gaming devices.

Firmware Update: Why it’s important for HDMI

In older versions of the Mi firmware TV (especially until 2021, bugs with the definition were common HDMI-For example, Mi TVs. TV 4S Sometimes you forget to set up ports after you shut down.

How to update firmware:

1. Go to Settings → About TV → System Update.
2. Click Check Updates. If a new version is available, confirm installation.
3. Wait until the TV is finished (the TV will restart automatically).

If the update is not available via the Internet, download the firmware from the official Xiaomi website and install it via USB:

• 📁 Download the firmware file for your model (for example, mi_tv_q1_global_20231215.zip).
• 🔗 Unpack the archive and copy the file update.zip flash drive (format) FAT32).
• 🔌 Put the flash drive in. USB-TV port and select Settings → On TV. → Local Update.

⚠️ Warning: Don't pull out the flash drive or turn off the TV during the upgrade. On Xiaomi 2019 and older models, the process can take up to 15 minutes - the screen will be black, but the power indicator should flash.

Alternative ways to connect if HDMI is not working

If HDMI-The port on the Xiaomi TV is out of order or doesn't detect the device, alternative methods of connection are available, and they're less convenient, but they will allow you to display the picture and sound.

HDMI replacement options:

• 📶 Wi-Fi Direct / Miracast: Suitable for broadcasting screen from your phone or laptop. → Connections → Wireless display.
• 🔴 AV-cable (RCA): Old devices (DVD-Players, retro consoles can be connected via a composite input (if you have one on your model).
• 🔊 Optical Audio + Chromecast: If you only want sound, use an optical cable to connect to the sound bar. Google Chromecast will fit through another video. HDMI-port.

To connect a computer without HDMI:

When using adapters, make sure they support HDCP (content protection), otherwise streaming services (Netflix, Disney+) may not work.

FAQ: Frequent questions about HDMI on Xiaomi TV