How to connect Xiaomi TV to your computer via HDMI: full instructions with solutions

Why HDMI is the best way to connect Xiaomi TV to a PC

Modern Xiaomi TVs (Mi TV A Pro, Mi TV Q2, Redmi Smart TV, etc.) support connection to computers via HDMI, the most versatile and high-quality interface for video and audio transmission. Unlike wireless technologies (Miracast, DLNA), HDMI provides minimal signal delay (up to 5 ms), which is critical for gaming, watching movies in 4K HDR or working with graphic editors.

But even with HDMI Users are faced with problems: no image, no sound, incorrect resolution or TV does not detect the signal. In this article, we will discuss all the stages of connection, from the selection of a cable to fine-tuning. Windows/macOS, We also solve common errors. The instructions are relevant for all Xiaomi models. TV Android-based TV Google TV (including Mi TV 5 Pro, Mi TV P1 and budget Redmi TV).

What? HDMI-cable is needed for Xiaomi TV

Not all HDMI cables are the same. Xiaomi TVs with 4K@60Hz or 8K resolution need a 2.0 or 2.1 cable. If you have an older version (HDMI 1.4), the maximum you get is 4K@30Hz (flashing in dynamic scenes) or 1080p.

• 🔹 Standard HDMI — fit 1080p@60Hz. 10.2 Gbps).
• 🔹 High Speed HDMI — supportive 4K@30Hz or 1080p@120Hz. 18 Gbps).
• 🔹 Premium Certified HDMI — guarantee 4K@60Hz. HDR (before 18 Gbps, tested for compatibility).
• 🔹 Ultra High Speed HDMI — for 8K@60Hz or 4K@120Hz. 48 Gbps, required by Xiaomi TV 77" OLED).

💡 Tip: If you are not sure about the version of the cable, check it for the Premium Certified logo or look at the specifications on the package. HDMI, but for gamers with NVIDIA RTX 40xx or AMD RX 7000 is better to take Ultra High Speed.

Step-by-step: connecting Xiaomi TV to a PC

The connection process takes 5-10 minutes. Follow the instructions to avoid typical errors:

1. Turn off your Xiaomi computer and TV (without going to sleep!) This will reset the cache. HDMI-port.
2. Connect the cable: 🖥️ One end, in HDMI-PC access (video card or motherboard). 📺 The other one, in HDMI-TV entrance (it is better to use a port marked with a note) HDMI 2.1 or ARC).

Turn on the TV.

Source button on the → Select HDMI- port (e.g., HDMI 1)

Start the computer.

Win + P

Cmd + F1

"Duplicate"

"Second screen only"

⚠️ Note: If you have a laptop with NVIDIA Optimus (video card) + embedded graphics), connect the cable to the port that goes directly from the discrete graphics card (usually marked as HDMI (NVIDIA)). Connecting to built-in graphics (Intel) UHD) limit the resolution to 30 Hz in 4K.

Configure permission and frequency of update

Once connected, the Xiaomi TV can display the image in the wrong resolution (for example, 1366×768 instead of 3840×2160).

For Windows 10/11:

1. Press Win + I → System → Display.
2. In the “Scale and Markup” section, select a Xiaomi TV.
3. In Screen Resolution, set the maximum supported (e.g. 3840×2160).
4. Click on "Additional Display Settings" → "Adapter Properties" → "List of All Modes" and select 60Hz (if available).

For macOS:

1. Open System settings → Monitors.
2. Holding Option (Alt), click “Scale” – hidden permissions will appear.
3. Select 3840×2160 (4K) at 60Hz (if the option is gray, the cable or port does not support this mode).

Optimizing for Games and Video: Reducing Latency

For gamers or those watching high-bitrate movies, it is important to minimize input lag. On Xiaomi TVs, it is done like this:

1. Activate Game Mode: Settings → Picture → Image Mode → Game This disables post-processing, reducing latency to 10-15 ms.
2. Turn off Motion Smoothing: Settings → Picture → Additional → Smoothing → Off.
3. On PC in the graphics settings, select: 🎮 For NVIDIA: Control panel NVIDIA → Parameter management 3D → Vertical synchromopulse → Off. 🎮 For AMD: AMD Adrenalin → Games → Global settings → Wait for Vertical Refresh → Off.

💡 Useful Lifehack: If you play via Steam Link or Moonlight, select the encoder settings NVENC (NVIDIA) or AMF (AMD) 50 Mbps bitrate – this will reduce artifacts when streaming to the TV.

Wireless alternative: when HDMI is not suitable

If you can't get a cable laid, consider wireless options, but note that they're not as good as HDMI in terms of stability and quality.

• 📶 Miracast (Wi-Fi Direct): Pros: No wires, supported by all Xiaomi TV Android TV. Cons: delay of 50–100 ms, possible lags at 1080p. How to connect: Win + K → Choose Xiaomi TV.
• 🖥️ Steam Link (for games): Pros: streaming games from PC in 4K@60Hz over the local network. Cons: requires a powerful router (Wi-Fi) 6 wired).
• 📱 Xiaomi Mi TV Assistant (Android only): Pros: Easy setup, support DLNA. Cons: Media files only, no screen duplication.

⚠️ Note: When using Miracast on Xiaomi TV Android TV 10+ Solution: In the settings of the TV sound, set the format PCM auto.

💡

HDMI remains the best choice for stable 4K@60Hz transmission without delay, and wireless technology is only suitable for video viewing or office tasks.

FAQ: Answers to Frequent Questions