How to bring the screen Xiaomi on your computer: from Miracast to USB-debugging

Output screen Xiaomi on the computer is a task faced by both ordinary users (for streams, presentations) and developers (for testing applications). Unlike Apple, which has a closed AirPlay ecosystem, Xiaomi devices support several universal protocols, but each has nuances. For example, Miracast wireless broadcasting does not work on all PCs, but instead works on all PCs. USB-Debugging requires unlocking additional settings.

In this article, we will analyze all the current ways of screen duplication (including the hidden features of MIUI 14/15), compare them in speed, latency and compatibility with different models - from Redmi Note 12 to Xiaomi 14 Ultra. Particular attention will be paid to typical errors: why the screen can "slow down", how to bypass the limitations of Windows 10/11 and what to do if the computer "can't see" the smartphone via USB.

1. Wireless broadcast via Miracast (without programs)

Miracast is built into most Xiaomi devices (starting with MIUI 9) and allows you to transfer the screen to a PC without cables, the main condition is the support of the technology on your computer.

• 🖥️ Windows. 10/11: press Win + K → If the “Connect to Wireless Display” menu appears, Miracast is supported.
• 📱 On Xiaomi: Go to Settings → Connection and sharing → Wireless display. If you don't have a point, update the firmware.

Step-by-step:

1. On PC: Open Settings → System → Project on this computer and select Available Anywhere.
2. On a smartphone: Turn on the Wireless Display and select your PC name from the list.
3. Confirm the connection on both devices.

⚠️ Note: On laptops with Intel HD Graphics older than 2015 Miracast may not work due to lack of support for Wi-Fi Direct. USB-method.

2. Output via USB (ADB + Scrcpy)

Scrcpy is the most versatile method: it works on any PC (including Linux and MacOS), does not require root rights and provides minimal latency.+.

What you need:

• 🔌 USB Type C C Cable (Original, Not Cheap Fake!).
• 💻 Scrcpy (download the latest version).
• 📱 Included debugging by USB (guideline).

How to enable debugging on USB on Xiaomi:

1. Go to Settings → About Phone → MIUI version and tap it 7 times until the notification “You became a developer” appears.
2. Return to Settings → Additional → For developers and activate Debugging over USB.
3. Connect the smartphone to the PC and in the window on the phone that appears, select “Allow debugging”.

Scrcpy launch:

scrcpy --bit-rate 8M --max-fps 60

The --bit-rate and --max-fps flags optimize the broadcast quality. For weak PCs, reduce the bitrate to 4M.

Debugging is on. USB|Drivers installed ADB|Cable connected to port USB 3.0|Scrcpy is unpacked at the root of the C disk:-->

3. Use of duplicate programs (ApowerMirror, TeamViewer)

If standard methods don't work, third-party programs come to the rescue, plus a simple interface and additional features (like screen recording), minus possible delays and limitations in free versions.

Comparison of popular programs:

Instructions for ApowerMirror:

1. Download the program to your PC and the ApowerMirror app on Xiaomi from Google Play.
2. Connect your smartphone to your PC via USB and enable File Transfer in the notification curtain.
3. Run the program on your PC and follow the Connection Wizard.

⚠️ Note: When using TeamViewer on Xiaomi with MIUI 14+ You may need to disable battery optimization for the application, otherwise the connection will break.

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If the image in the duplicate program “breaks”, reduce the resolution of the smartphone screen to 720p in the display settings.

4. Screen output via Google Cast (for Xiaomi tablets)

Xiaomi Pad 5/6 supports Google Cast, a technology similar to Miracast but with better compatibility.

• 🌐 The PC must have Google Chrome or Microsoft Edge (latest versions) installed).
• 📶 Both devices must be connected to the same Wi-Fi network (5GHz is preferred).

Step-by-step:

1. On the tablet, open Settings → Connected devices → Broadcast.
2. In your browser on PC, open cast.google.com.
3. Select your tablet from the list of available devices.

Features of the method:

• ✅ It works without root rights and USB-cable.
• ❌ Delay. ~500 ms (not suitable for gaming).
• ⚠️ On some Xiaomi models, you need to turn on Developer Mode and activate the Wireless Debugging option.

5. Alternative methods: HDMI-adapter and Mi Home

If the software methods are not suitable, consider hardware solutions:

• 🔌 USB-C → HDMI Adapter: Suitable for Xiaomi 13/14, Redmi K60 and tablets with support for DisplayPort Alt Mode. Allows you to display the image on the monitor with a resolution up to 4K@60Hz.
• 🏠 Mi Home: If you have Xiaomi Smart Home devices (like the Mi Box), you can stream the screen through the Mi Home app to TV and then duplicate the TV screen on your PC using video capture (like via the Mi Home app). OBS Studio).

How to check for DisplayPort Alt Mode support:

1. Connect the adapter to the smartphone.
2. If the screen appears notification “External display connected” – the function is supported.
3. If not, the adapter will not work. MHL-Adapter, but it is outdated and is not compatible with new models).

6. Solving typical problems

Even with the right settings, users are faced with errors, and here are the most common ways to fix them:

If Scrcpy is a device unauthorized error:

1. Disconnect the smartphone from the PC.
2. On the phone, go to Settings → For developers and revoke debugging permissions.
3. Reconnect and confirm the request on the phone.

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If none of these methods work, check to see if an antivirus (e.g. Avast or Kaspersky) is blocking the broadcast.

FAQ: Frequent questions