How to remove the second screen on Xiaomi devices: 5 proven ways

Second screen mode on Xiaomi devices is a useful feature for multitasking, but sometimes it works accidentally or starts to get in the way. TV smartphone Redmi/POCO suddenly there's a duplicate image, a split screen, or a black background that says, "Second screen active." 80% In some cases, the problem is solved for 2-3 minutes, but without knowing the exact settings, you can spend hours looking for a solution.

In this article, we will discuss all the current ways to turn off the second screen on different Xiaomi devices, including PatchWall TVs and smartphones with a high-end device. MIUI 12-14. We'll focus on the common bugs that keep the function from shutting down the first time, and we'll checklist you to diagnose the problem, and if you see Miracast connected on the screen, or if the image splits after you connect to another device, here's the solution.

What is the second screen on Xiaomi and why it appears

The second screen (or screen duplication) function in the Xiaomi ecosystem is implemented on three levels:

• 📺 Miracast/Wi-Fi Display - wireless broadcast of the smartphone screen to the TV (works on all Mi) TV smartphone-wise MIUI).
• 🔄 Multi-screen mode – division of the TV display into 2-4 Areas for simultaneous viewing of different sources (available on PatchWall models) 3.0+).
• 🖥️ HDMI-CEC — Automatic duplication of signal when connected through HDMI (It is included on some Xiaomi TVs by default).

Most often, users are faced with the first option - when a smartphone or tablet Redmi/POCO It accidentally connects to the TV via Wi-Fi Direct, and the same image appears on both devices:

• 🎮 Pressing the button combination on the remote (for example, Menu) + OK 5 seconds).
• 📲 Automatic connection after firmware update (especially relevant for Mi) TV 4S/5X after switching to PatchWall 4.0).
• 🔌 Connecting a new device to the same Wi-Fi network as the TV (trigger for Miracast).

⚠️ If a black window with the words No signal or Waiting for connection appears on the TV screen, the problem is not in the second screen, but in the incorrect one. HDMI-Check the cables and ports.

On Xiaomi smartphones, the second screen function can be activated through:

• 🔍 Settings → Connections and sharing → Screen transmission.
• 📱 Quick settings panel (swipe down) → Icon "Screen" or "Cast").
• 🎮 Gamer Mode (Settings) → Special facilities → Gamer mode).

Method 1: Disable Miracast on Xiaomi TV

If the second screen appears on the Mi TV After connecting your smartphone, first of all, turn off Miracast through the TV menu. TV 4A/4S/5X/6 and TVs under the Redmi brand:

1. Press the Menu button on the remote (or Settings on the screen).
2. Go to the Connections and Sharing section → Miracast (on some firmware path: Settings) → Network and Internet → Wi-Fi Display).
3. Select a connected device (such as Redmi Note 12) and click Disable.
4. To completely disable the function, return to the Miracast menu and transfer the slider to the off position.

If the Miracast item isn't on the menu, upgrade your TV firmware to the latest version. TV Q1/Q2 Google TV the way is different:

Settings → Devices and Sharing → Screen Transfer → Settings → Disable Wi-Fi Display

⚠️ Attention: On Xiaomi TVs 2020-2021 year of release (e.g. Mi) TV 5) Miracast can be called Wireless Display or Screen Mirroring.

After shutting down, restart the TV by holding the Power button on the remote for 10 seconds, which will reset the temporary network settings and prevent automatic connection.

Method 2: Disable screen transfer on Xiaomi smartphone

If the second screen is activated from the smartphone (for example, POCO X5 Redmi 12, disable the function in the settings MIUI. There are three options:

Option A: Through the Quick Settings Panel

1. Swipe your finger down from the top edge of the screen to open the notification panel.

2. Find the Cast icon (or "Screen Transfer") and tap it.

3. In the window that opens, click Disable or select No Devices.

Option B: Through system settings

Follow the path:

Settings → Connections and Sharing → Screen Transfer

Turn off the slider at the top of the screen. If there's an Auto Connection item under the device list, also deactivate it.

Option C: For older versions MIUI (up to 12.5)

On the firmware MIUI 11-12 path may differ:

Settings → Screen → Screen Transfer (Cast)

You also need to disable the function and remove all saved devices from the list.

If after turning off the second screen continues to appear, reset the network settings on the smartphone:

Settings → Network and Internet → Reset settings Wi-Fi, mobile Internet and Bluetooth

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On smartphones. POCO shelled POCO Launcher icon "Cast" can be hidden behind the button "More" (three dots) in the notification bar.

Method 3: Resetting settings HDMI-CEC TV-wise

If the second screen appears when connecting through HDMI (For example, to the console or sound panel, the problem is the function HDMI-CEC. This technology allows devices to automatically synchronize signals, but sometimes it causes a duplicate screen to turn it off:

1. Open the settings on the Xiaomi TV.
2. Go to the System. → HDMI-CEC (or Device Management → HDMI Control).
3. Turn off the slider. HDMI-CEC Anynet+ (name depends on the model).
4. For models with PatchWall 4.0+ The path may be different: Settings → All settings → Devices and sharing → HDMI-CEC

If the second screen is gone but you want to keep the control of the TV from the console (for example, the Mi Box), turn on HDMI-CEC manually and manually adjust the parameters:

⚠️ Note: On Xiaomi TVs 2023 (e.g. Xiaomi) TV A Pro function HDMI-CEC may be called MI Turn it off if standard methods don't work.

Method 4: Disable multiscreen (Split Screen) on Mi TV

Xiaomi TVs with PatchWall 3.0+ There's a multiscreen mode that divides the display into multiple zones. If you accidentally activate it (like the Multiscreen button on the remote), turn it off like this:

1. Press the Home button on the remote to return to the main screen.
2. Hold the button. OK (or Select in the center of the remote 3 seconds.
3. In the menu that appears, select Exit from Multi-Screen (or Close Split Screen).
4. If the menu does not appear, go to Settings → Screen. → Multiscreen and disable the function.

On Google models TV (for example, Xiaomi TV (6) the way will be different:

Settings → Display and sound → Multiscreen → Disable

If the image remains separated after turning off, do a soft reset of the TV:

1. Press and hold the Power button on the remote for 15 seconds.
2. Wait for the reboot (the Mi logo will appear on the screen).
3. After turning on, check if the screen split has disappeared.

Method 5: Reset your network settings (if nothing helps)

If the second screen continues to appear despite all attempts, the problem may be in the network connection cache.

On Xiaomi TV:

Settings → Network and Internet → Additional → Resetting network settings

On a Xiaomi smartphone:

Settings → Network and Internet → Reset settings Wi-Fi, mobile Internet and Bluetooth

After discharge:

1. Connect both devices to the same Wi-Fi network manually (do not use saved networks).
2. Open Miracast settings on your TV and remove all saved devices.
3. On your smartphone, turn off the automatic connection to Wi-Fi Direct:

Settings → Connections and Sharing → Wi-Fi Direct → Auto Connection → Off.

⚠️ Note: After resetting the network on the Xiaomi TV, you may need to reconfigure the Smart features (voices, remote, etc.) take a picture of the current settings in advance or record them.

If the problem persists, check if the devices are conflicting with the router.Some Xiaomi Router models (e.g., Xiaomi Router, AX3600) They have a Multicast bug that causes Miracast to spontaneously turn on:

• 🔧 Turn it off. IGMP Snooping in the settings of the router.
• 🔄 Restart the router and all connected devices.

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Network reset is a last resort, and before you do it, check all the previous methods and make sure that the problem is not the physical connection (HDMI-cables, ports).

Table: Fast solution by device model

To save time, use this table with brief instructions for popular Xiaomi devices:

Frequent Mistakes and How to Avoid Them

Users often encounter typical problems when trying to remove the second screen, and here are the most common errors and solutions:

• 🔌 Do not restart devices after changes → Always restart your TV and smartphone after you turn off Miracast or reset your network.
• 📱 They don't update the firmware. → Nana MIUI 13+ PatchWall 4.0+ The paths to settings have changed. Update the software if you don't find the right points.
• 🔍 Confused with Miracast HDMI-CEC → If the problem occurs when connecting via cable, look for settings HDMI-CEC, Not a Wi-Fi display.
• 🔄 Do not reset network settings → If the second screen returns after shutting down, reset the network settings on both devices.

Another common mistake is ignoring the physical buttons on Xiaomi remotes. TV Stick) second screen is activated by combination:

Home + OK button (hold 5 seconds)

If you accidentally pressed it, repeat the combination to cancel.

On Xiaomi TVs with Android TV (Like Mi. TV 3S) It can trigger automatic signal source detection to turn it off:

Settings → Devices and Sharing → Source Autodetermination → Off.

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If the second screen is left after all the manipulations, check if an external signal source (set-top box, game console) is connected to the TV. HDMI-port.

FAQ: Answers to Frequent Questions