You are trying to stream video from your phone to Xiaomi Mi TV or Redmi Smart TV, But Chromecast stubbornly refuses to work? The screen stays black, the device is not detected online, or the broadcast is constantly interrupted? The problem is familiar to many owners of Xiaomi TVs - especially after firmware updates or a change in router. In this article, we will analyze all possible causes, from banal (incorrect Wi-Fi settings) to hidden (protocol conflict). HDMI-CEC), We will give you step-by-step instructions for each of them.
It is important to understand: Chromecast (built-in or external) on Xiaomi TVs depends on three key components โ network connection, firmware. TV And protocol compatibility, and failure in at least one of them leads to errors like "Device not found," "Unconnected," or endless boot. TV 4S 55", Redmi X50 mi TV Q1 75" - all instructions are relevant for firmware MIUI TV 2023-2026.
Before you go into the technical details, answer one question:
1 Wi-Fi Connection Problems: Why Chromecast is Not Visible on the Network
The most common reason for Chromecast not working on Xiaomi TV โ Incorrect Wi-Fi settings. the device may not be detected on the network due to:
- ๐ Different networks on the phone and TV (for example, the phone is connected to 5 GHz, and TV โ 2.4 GHz).
- ๐ Block multicast in the router (necessary for Chromecast detection).
- ๐ต Hidden Wi-Fi network (some Xiaomi firmware does not support hidden Wi-Fi) SSID).
- ๐ก๏ธ Firewall or parental controls on a router that blocks mDNS protocol.
The first thing you need to do is make sure that the phone and the TV are connected to the same network.
- On the phone, open Settings. โ Wi-Fi and check the name of the network.
- On the Xiaomi remote TV press Settings. โ Network and Internet โ Wi-Fi.
- If the networks are different, connect both devices to one (preferably 2.4GHz for stability).
If the network is one, but the Chromecast is still not visible, the problem may be in the router. Go to its control panel (usually at 192.168.0.1 or 192.168.1.1) and check:
- ๐ Is multicast included (IGMP) โ look in the section LAN or additional settings.
- ๐ก Is the separation of networks off (AP Isolation: This prevents devices from seeing each other.
- ๐ Is compatibility mode on? 802.11n (Sometimes helps with problems with 5 GHz).
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If you have a dual-band router, try temporarily disabling the 5GHz network and leaving only 2.4GHz.This often solves the Chromecast detection problems.
2.Firmware conflict: why Chromecast stopped working after the update
Xiaomi regularly releases updates for its TVs, but some break compatibility with Chromecast. MIUI TV 3.0 Many Mi users TV 4A Redmi Smart TV X encountered a "failed to connect to the device" error:
- ๐ง Recoiling of protocol HDMI-CEC Up to the old version (new firmware may have a bug).
- ๐ฑ Blocking Google services (in Chinese firmware Xiaomi sometimes disable Google Cast).
- ๐ Resetting network settings after update (TV ยซForgetting the Chromecast settings).
The solutions depend on the situation:
| Problem. | How to check | How to fix it |
|---|---|---|
| Google Cast is disabled in the firmware | Go to Settings. โ Annexes โ System applications and find Google Cast Receiver | Turn on the app and give all permissions. If you don't, you need firmware that supports Google services. |
| Resetting settings after update | Try connecting to Chromecast โ if it requests a reset, it means that the data has been reset. | Reconfigure Chromecast through Settings โ Connected devices โ Cast. |
| The HDMI-CEC conflict | On the menu. TV disconnect HDMI-CEC Check the Chromecast and check the work. | Update the firmware to the latest version or roll back to the old one (if the problem appeared after the update). |
If the problem appears immediately after the update, try to roll back to the previous firmware version.
- Download the old firmware from the official Xiaomi website (the support section of your model).
- Copy the update.zip file to a flash drive (FAT32 format).
- Put the flash drive in. TV, Go to Settings. โ Update of the PO โ Update through USB.
How to find an old firmware for Xiaomi TV?
3.Problems with HDMI-CEC: Why Chromecast doesnโt respond to the remote
Protocol HDMI-CEC Allows you to control Chromecast from Xiaomi remote TV, But sometimes it causes problems:
- ๐ฎ Remote does not switch the input to Chromecast.
- ๐ When switched on TV Chromecast does not automatically start up.
- ๐บ There is a message on the screen that says โNo signalโ even though Chromecast is connected.
On Xiaomi TVs HDMI-CEC name MI AnySee, to check his settings:
- Open the Settings. โ HDMI-CEC (MI AnySee).
- Make sure the function is on.
- Try to turn it off, reboot it. TV and Chromecast, then turn it back on.
If the problem remains, it may be a conflict with other devices (such as a soundbar or receiver).
- ๐ Connect Chromecast directly to your TV (without intermediate devices).
- ๐ In the settings HDMI-CEC Disable the management of other devices (Management) TV โ Shut down).
- ๐บ Try another one. HDMI-port (preferably) HDMI 2.0 or ARC).
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If Chromecast works but doesnโt respond to the remote, the problem is HDMI-CEC. Turn off this feature and use the Google Home app to manage.
4.Reset Chromecast settings and Xiaomi TV
If previous methods have not worked, a complete reset may be required.
- ๐ Chromecast previously worked, but stopped after the crash.
- ๐ฑ The error appears on the screen: โThe device is not configuredยป.
- ๐ง In the settings TV There is no Cast or Google Cast Receiver.
Reset Chromecast (external dongle):
- Connect the Chromecast to the TV.
- Press and hold the button on the body of the dongle for 25 seconds (until the indicator blinks).
- After resetting, reset the device through the Google Home app.
Resetting the settings of the Xiaomi TV:
- Go to Settings โ About TV โ Reset settings.
- Select Reset to the factory (you will need to enter) PIN-default code 0000 or 1234).
- After the reboot, reconnect to Wi-Fi and set up Chromecast.
Make sure you know the Wi-Fi password|Take a picture of the current settings TV|Disable important devices (such as soundbar)|Prepare the remote and charger-->
โ ๏ธ Warning: Reset will delete all installed apps, accounts and settings. TV Android TV, After reset, you may need to re-authorize in Google Play.
5 Power issues: Why Chromecast is turned off or not turned on
The Chromecast's outer dongles (especially Ultra or 3rd generation models) are sensitive to nutritional quality. USB-The TV port does not produce enough current, the device can:
- ๐ Do not turn on at all (the indicator does not burn).
- ๐ Disconnect spontaneously during broadcasting.
- ๐บ Overheating and โglutchingโ (artifacts on the screen).
Decisions:
- ๐ Use the original power supply from Chromecast (if you connect through the USB-port TV, Try an externally powered adapter).
- ๐ Connect Chromecast to USB-externally powered hub (if port) TV weak).
- ๐ก Check the cable. HDMI โ Sometimes the problem is in the damaged contact.
To check the quality of food:
- Connect the Chromecast to another TV or monitor.
- If it works consistently, the problem is USB-port of your Xiaomi TV.
- Try using the port. USB 3.0 (usually marked in blue) โ it gives more current.
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If the Chromecast overheats, turn it off for 10 to 15 minutes. Overheating can cause disruptions, especially when streaming video in the video. 4K HDR.
Google Blocking: Why Chromecast Doesn't Work in China or on Chinese Firmware
Xiaomi TVs designed for the Chinese market often come without Google services (including Google Cast). TV In Europe, after updating the firmware can install a Chinese version of the software that blocks Chromecast.
Signs of Chinese firmware:
- ๐ฑ There is no Google Play or YouTube app.
- ๐ง There is no Cast or Google Cast Receiver option.
- ๐ The main language of the interface is Chinese (even after the change of language).
Decisions:
- Install global firmware: Download the firmware for your model from the official website (Global section). TV through USB (instruction).
- Manually install Google services (for advanced users): Download APK-Google Play Services and Google Cast Receiver files. Install them through the file manager TV (You may need to include unknown sources).
โ ๏ธ Note: Installation of unofficial firmware or APK It can lead to loss of warranty or unstable work TV. If you are not sure, contact the Xiaomi service center.
How to check the firmware region?
7. Conflict with other devices on the network
If you have other Chromecast-enabled devices on your network (like Google Nest speakers or other TVs), they may conflict when detected.
- ๐ก VPN Proxy on your phone/router (blocks the connection to Chromecast).
- ๐ Antivirus or firewall on your phone (such as Avast or Kaspersky).
- ๐ฎ Game consoles (such as PlayStation or Xbox) that take up a lot of traffic.
To avoid conflicts:
- Turn it off. VPN on the phone and router.
- Turn off the antivirus and check the Chromecast.
- Turn off other Chromecast devices (columns, media players).
- Try connecting to Chromecast from another phone or tablet.
If the problem is in the router, try:
- ๐ Reboot the router (turn off for 30 seconds).
- ๐ก Change the Wi-Fi channel to 1, 6 or 11 (less loaded).
- ๐ Turn on WMM (Wi-Fi Multimedia in router settings.
8. Hardware malfunctions: when to carry in the service
If none of the above methods worked, the problem could be hardware.
- ๐ Chromecast does not work on any device.
- ๐บ HDMI-The TV port does not work with other devices.
- ๐ฅ On the dongle visible physical damage (melting, cracks).
The most common hardware problems:
| Symptoms. | Possible cause | Decision |
|---|---|---|
| Chromecast is not turned on, the indicator does not burn | Faulty power supply or damaged USB-port | Try another power supply, and if it doesn't work, change the port in the service. |
| Image is there, but no sound. | The problem is HDMI-port (damaged audio channel) | Connect Chromecast to another port or use an external audio output. |
| Artifacts on the screen, "snow", twitching | Damaged. HDMI-cable | Replace the cable with a certified High-Speed HDMI. |
| Chromecast overheats and shuts down | Dust clogging or cooling system failure | Clean the device from dust or replace the thermopaste (in the service). |
If you suspect a malfunction of Xiaomi TV, check:
- Does it work? HDMI-port with other devices (for example, a console or laptop).
- Is there an image when connecting via another port?
- Do artifacts appear on the screen in other apps (for example, Netflix or YouTube).
โ ๏ธ Note: If the TV is warranty, do not disassemble it yourself - this will void warranty obligations.