Connecting your computer to your Xiaomi TV opens up new possibilities: watching movies on the big screen, streaming games, presenting or even using TV as a second monitor. However, many users face challenges ranging from lack of image to annoying lags and sound problems. In this article, we will discuss all current ways of connecting (including hidden features of Mi). TV), We will dwell in detail on the setting of the resolution and sound, as well as give checklists for troubleshooting.
Feature of Xiaomi TVs (series Mi) TV A Pro, Mi TV Q, Redmi Smart TV etc.) โ in their hybrid nature: they combine traditional connectors (HDMI, AV) Advanced wireless technologies (Miracast, AirPlay, DLNA). This means that even if your PC does not have a HDMI-The main thing is to choose the right method depending on the task:
- ๐ฎ For games, only a wired connection is HDMI (minimum 2.0 for 4K/60fps).
- ๐บ For movies/series, wireless protocols (Miracast or Wireless Protocols) DLNA) supportive HDR10.
- ๐ผ To work โ screen duplication via Windows Projection or Wi-Fi Direct.
Important: If your Xiaomi TV is released before 2020, some features (such as AirPlay) may not be available. โ About TV. Firmware updates often solve compatibility problems, and we'll talk about that too.
1. a wired connection through HDMI: step-by-step
The most reliable and universal way is to use a cable. HDMI. It provides the highest quality image (up to the 4K@120Hz It's a new Xiaomi model, and it's got minimal latency, which is critical for gaming:
- ๐ Cable HDMI 2.0/2.1 (length 3 m 4K; full HD fit 1.4).
- ๐ฅ๏ธ On PC: port HDMI (or adapter, unless DisplayPort/USB-C).
- ๐บ On TV: Free port HDMI (usually signed HDMI 1/2/3 or ARC).
Connection:
- Turn off both devices (this will prevent failures in signal recognition).
- Connect the PC and TV with cable. On Xiaomi Mi models TV P1 And newer use the port. HDMI 2.1 for 4K/120Hz.
- Turn on the TV, press the Source (or Input) on the remote and select the appropriate one. HDMI-port.
- On PC: press Win + P and select the display mode (Duplicate, Expand, or Only the second screen).
If the image does not appear:
Check the density of the cable connection on both sides|
Switch the port. HDMI on TV (sometimes) HDMI 1 reserved for consoles)|
Update the graphics card driver on PC (via Device Manager)|
Try another cable (cheap cables often don't support it) 4K)|
Reset the settings. HDMI on TV: Settings โ Devices โ Reset HDMI
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Critical setting for gamers: if you play on a PC with a Xiaomi TV, turn on the Game mode in the TV menu (Settings) โ Picture โ Image mode โ This will reduce the input lag (input lag) with ~50 ms to ~15 ms.
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If the TV doesnโt see the PC through HDMI, Try hot-connecting: turn on both devices, then disconnect and reconnect the cable. HDMI.
2 Wireless Wi-Fi connection (Miracast, AirPlay, DLNA)
If wires are intrusive, you can transmit images through the air. Xiaomi TVs support three main protocols:
| Protocol | Supported models | Max, permission. | Delay. | Features |
|---|---|---|---|---|
| Miracast | All models with Android TV 9+ | 1080p@60Hz | ~80 ms. | Built-in to Windows 10/11 |
| AirPlay | Mi TV 4S/5 Pro and newer | 4K@30Hz | ~100 ms. | Only from Apple devices |
| DLNA | All models. | 1080p | โ | Media files only. |
Setting up Miracast (for Windows):
- On TV: Settings โ Connection and sharing โ Wireless projection โ Turn on Miracast.
- On PC: Win + K โ Choose your Xiaomi TV list.
- Confirm the connection on the TV (may be required) PIN-code).
For MacOS/iOS Use AirPlay:
- Make sure both devices are on the same Wi-Fi network.
- On TV: Settings โ Apple AirPlay โ turn on the option.
- Nana iPhone/iPad: swipe down for Control Point โ Screen duplication.
Important: when wirelessly connected, Xiaomi TVs automatically reduce the bitrate to 15 Mbps if the Wi-Fi signal is weak. 1080p network speed of at least 30 Mbps.
3. Connection through USB-C DisplayPort (for modern PCs)
If your computer or laptop is equipped with only a port USB-C or DisplayPort, you'll need an adapter. Xiaomi TVs don't have an input USB-C, So we need an adapter to HDMI. Recommendations:
- ๐ For USB-C โ HDMI: Choose adapters that support DisplayPort Alt Mode (for example, Baseus or Anker).
- ๐ฅ๏ธ For DisplayPort โ HDMI: Active adapter (passive adapters do not transmit sound).
- โก For a MacBook. Pro/Air: Use Apple's official adapters (cheap analogues may not support Apple's hardware) 4K@60Hz).
Setting:
- Connect the adapter to the PC, then connect it to the TV cable HDMI.
- On the TV, select the appropriate signal source.
- If there is no sound: on PC in the Control Panel โ Sound select the output device HDMI.
Warning: Adapters on Realtek chips often conflict with Xiaomi TVs - the image may flash. check compatibility before buying.
4.Setting resolution and sound: optimization for Xiaomi TV
Once connected, you often have problems with resolution (blurred image, black fields) or sound (no signal, delays).
Screen resolution:
- On PC: Parameters โ System system โ Display. โ Additional display parameters.
- Choose the resolution recommended for your model:
| Model Xiaomi TV | Optimum resolution | Frequency of update |
|---|---|---|
| Mi TV 4A/4C | 1920ร1080 | 60 Hz |
| Mi TV 4S/5 Pro | 3840ร2160 | 60 Hz (120 Hz for gaming) |
| Redmi Smart TV X | 3840ร2160 | 60 Hz |
| Mi TV Q1/Q2 | 3840ร2160 | 120 Hz (for) HDMI 2.1) |
If the required permission is not on the list:
- Click Create User Permission.
- Specify the parameters manually (for example, 3840ร2160 upon 60 Hz).
- Save the settings and check the stability of the image.
Sound:
- If the sound is coming through the PC speakers: in the Control Panel โ Sound select the output device HDMI or NVIDIA High Definition Audio for video cards NVIDIA).
- If there is no sound at all: check if it is turned off in the TV menu (Settings) โ Sound. โ Exit HDMI).
- For Dolby Atmos: Make sure the TV supports the format (available on Mi) TV Q2 75" and newer).
How to turn on the regime HDR Xiaomi TV?
5. Solving common problems
Even with the right connection, you can have failures, and here are the typical errors and their solutions.
โ ๏ธ Note: If Xiaomi TV says "No signal" when connected to the HDMI, If the cable is in good condition, try to disable the control. HDMI Settings menu โ Devices โ HDMI. This feature sometimes blocks uncertified devices.
| Problem. | Possible cause | Decision |
|---|---|---|
| Image flashes | Permit conflict or faulty cable | Set the standard permit (1920ร1080) Replace the cable with a certified cable. HDMI 2.0. |
| No sound through HDMI. | Incorrect output device | To the control panel. โ Select the sound. HDMI or Digital Audio. |
| Lags with wireless connection | Weak Wi-Fi signal | Connect to a 5GHz network or use an access point near the TV. |
| Black fields around the edges | Wrong aspect ratio | On TV: Settings โ Picture โ Screen format โ Automobile. |
If the TV doesn't see the PC through Miracast:
- ๐ Reboot both devices.
- ๐ถ Make sure they are connected to the same Wi-Fi network (or use Wi-Fi Direct).
- ๐ง Update your Wi-Fi adapter drivers on PC (via Device Manager).
- ๐ก๏ธ Turn off the firewall/antivirus โ they can block the connection.
For Xiaomi models with Android TV 11+ (Like Mi. TV P1) Quick connection: just point the smartphone camera at QR-code on a TV screen to automatically set up the connection.
6. Alternative methods: Chromecast, Steam Link and others
If standard methods donโt work, consider these options:
- ๐ฑ Google Chromecast: Connect your device to the HDMI-port the TV and broadcast the screen through the Chrome browser (Broadcast option). 4K, delayed ~200 ms.
- ๐ฎ Steam Link: to stream games from PC to TV. requires a powerful router (minimum Wi-Fi 5).
- ๐ฅ๏ธ Parsec: a cloud service for remote PC management. Perfect for gaming (latency) ~30 ms), but requires stable Internet (from 10 Mbps).
- ๐ Local area network (DLNA): Play movies from PC through the standard Media Player app on TV.
Steam Link setting:
- Install Steam on your PC and the Steam Link app on your TV (available on Google Play).
- Connect the gamepad to the TV via Bluetooth.
- Run Big Picture Mode on Steam on PC and select the game to stream.
Parsec: It encodes video at a level GPU, So the lags are minimal. 4K/60fps You need a video card PC. NVIDIA RTX 20xx+ or AMD RX 5xxx+.
7.Optimizing for Games: How to Reduce Delay in Entry
If you connect your PC to a Xiaomi TV for gaming, the input lag can ruin the experience. Here's how to minimize it:
- ๐ฏ Use a wired connection (HDMI 2.1 for 4K/120Hz).
- โก Turn on the game mode on the TV (Settings) โ Picture โ Image mode โ Game).
- ๐ฅ๏ธ On PC, turn off vertical sync (V-Sync) in the game settings.
- ๐ Set the screen refresh rate to match the TVโs capabilities (e.g. 120Hz for Mi). TV Q2).
To test the delay, use the TestUFO website:
- Open the page on your PC and take a picture of the TV screen on your smartphone.
- Compare the position of the bands on the photo and screen โ the difference in pixels will show the delay.
On Xiaomi models with MEMC (motion chip) latency can be below 10ms, but only when using a proprietary remote. Connecting third-party gamepads (such as Xbox Controller) adds ~5-10 ms.
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For competitive games (CS:GO, Valorant: Use the TV as a second monitor with resolution 1080p@144Hz, even if he supports 4K. That'll reduce the delay on 20โ30%.
8.Firmware Update: Why It's Important for Connection
Many compatibility issues are solved by updating the TV software, such as the firmware for Mi. TV 4A (2020) There was a recognition error NVIDIA RTX 30xx down HDMI โ After the update, she disappeared.
How to update firmware:
- On TV: Settings โ About TV โ System Update.
- If the automatic update does not work, download the firmware from the official site and install it through the USB.
Warning:
โ ๏ธ Warning: Do not interrupt the update process - this can lead to a "brick" of the TV (loss of performance).If the TV does not turn on after the update, hold the Power button on the remote for 10 seconds to reset.
After the update, reset the settings. HDMI:
- Settings โ Devices โ Reset HDMI.
- Turn off and reconnect the cable.
This will help avoid image artifacts that sometimes appear after updates.