Xiaomi TV is not working: 12 reasons and what to do in 2026

Xiaomi TVs gained popularity thanks to a combination of affordable prices and modern technologies: 4K-permit, HDR, Google-built TV And voice control, but even the most reliable technology can fail. TV Stop turning on, don't respond to the remote, or make errors -- don't rush it to the service center. In 70% of cases, you can solve the problem yourself in 10 to 30 minutes.

In this article, we will look at all the possible reasons why Xiaomi TV may not work: from a banal lack of power to serious hardware failures. You will learn how to diagnose a malfunction by symptoms (flashing indicator, no image, hangs on the logo), what manipulations are safe to perform at home, and when to contact specialists. TV Q1E, Mi TV A2, Mi TV P1 etc.) and typical firmware errors.

For convenience, the article is divided into blocks by type of malfunction. FAQ At the end, where you get the answers to the most common questions, and if you're ready to go through it, read it in order.

1. Xiaomi TV not turned on: no reaction to power button

The most common problem is that the Xiaomi TV doesn't show signs of life: the indicator doesn't burn, doesn't respond to the remote or the power button, 90% of the time it's the power supply or the power supply of the TV itself.

• 🔌 Check the power outlet and the power cable, connect another outlet (like charging your phone) to the same outlet, and if it works, it's not the outlet. Check the cable for damage: bending, melting, bare wires.
• 🔋 We're testing the power supply. Xiaomi TVs (especially Mi models) TV 4S, Mi TV 4A) The internal power supply often fails, signs: the indicator does not burn at all or flashes red. If you have a multimeter, measure the voltage at the output of the unit (should be 12V–24V model-wise).
• 🔄 Hard reset. Turn off the TV, press the power button on the case (not the remote!) and hold for 15 to 20 seconds. Then plug the power back in and try turning it on.
• 🛠️ If the TV is older than 3-4 years, the capacitors in the power supply may swell. This can be seen with the naked eye: the top of the capacitor body is convex or leaky. The solution is to replace it with new ones (preferably low impedance 105).°C).

If you've been doing all the manipulations, the TV still doesn't turn on, it could be the motherboard or the firmware, and you can go to the software crash section.

⚠️ Warning: Do not disassemble the TV if it is warranty! Opening the case will void the warranty obligations of Xiaomi.

2.The TV is turned on but no image or sound

Situation: The indicator is on, the TV responds to the remote (you can hear clicks when you switch channels), but the screen remains black or displays "No Signal", the reasons can be both hardware and software.

Connection problems

• 📺 Check the cables. HDMI, Try another cable or port on the TV. AV or SCART — Make sure the connectors are not oxidized.
• 🔄 Switch the source of the signal. Press the Source button on the remote and select another input. Sometimes the TV forgets the current source.
• 📡 Antenna or set-top box. If you're watching TV on air, check the integrity of the antenna cable and the signal level in the Settings menu. → Channels → Manual setting.

Failures in the matrix or backlight

If the screen is completely black, but in bright light you can see a faint image – the problem is the backlight (LED-It's a typical Mi model disease. TV 4S 55" and Mi" TV 4X 65."The decision:

• 💡 Replace. LED-tapes (requires disassembly of the TV and soldering iron).
• 🔧 Check the lighting driver on the board – resistors or transistors often fail.

If you have an image that's blurry, with artifacts or stripes, it's the matrix or the plume, and it's more than half the cost of a new TV, so it's more reasonable to buy a new model.

3.The TV doesn't respond to the remote control

Remote control is a weakness of many Xiaomi TVs, and if the TV doesn’t respond to commands, rule out the obvious reasons first:

• 🔋 Replace them with new batteries (even if the old ones "sort of working"). Use alkaline batteries. AAA strained 1.5V.
• 📸 IR port check, point your smartphone camera at the LED remote control and press any button. If the IR signal is working, you'll see a flash of violet light.
• 🛡️ Obstacles: Make sure there are no obstacles between the remote and the TV (glass, mirrors, direct sunlight can block the signal).
• 🔄 Reset the remote. Remove the batteries, press and hold any button for 10 seconds, then insert the batteries back in.

If the remote is not working, try to control the TV through:

• 📱 Mi Remote (available for Android and iOS) connects via Bluetooth or Wi-Fi.

⚠️ Attention: In Mi models TV Q1E mi TV A2 There is a bug when the TV stops responding to the remote after updating the firmware. The solution is to reset the settings to the factory (section below).

4. firmware failures: TV freezes, reboots or doesn't turn on

A firmware is a TV's operating system, and if it's damaged, the TV can:

• 🔄 Hang on the logo of Xiaomi or Google TV.
• 🖥️ spontaneously reboot.
• 🚫 Do not turn on after the update.
• 📵 Errors like “No bootable device” or “System” UI stopped".

Causes of failure:

• ⚡ Interrupted update (cut off the lights, pulled the cable).
• 🖧 Incompatible firmware (installed a version not for your model).
• 🛠️ File system errors (for example, after resetting settings).

4.1 How to restore firmware

The methods depend on the degree of damage:

To restore through USB:

1. Download the official firmware for your model from the site mi.tv/update (Choose the stable version, not beta!).
2. Unpack the archive and copy the update.zip file to a flash drive formatted in FAT32.
3. Put the flash drive in. USB-port of the TV, press the Menu button on the case and turn on the power. Hold the button for 10-15 seconds until the recovery menu appears.
4. Select Apply update from USB Wait until the process is complete (don’t turn off the TV!).

5. Resetting to factory settings: when and how to do

Reset to factory settings (hard reset) helps in cases of:

• 🐢 The TV is heavily slowed or got stuck.
• 🔄 After the update, there were glitches (apps do not work, there is no sound).
• 🔒 Forgot your password from your parental control or Google account.
• 📵 The remote does not work and other control methods are not available.

How to reset your settings:

1. Through the menu (if the TV is turned on): Go to Settings → The device → Reset → Reset all settings. You'll need to enter PIN-code (default 0000 or 1234).
2. Through buttons on the case (if menu is not available): Turn off the TV, press the Menu and Volume buttons on the case at the same time, then turn on the power. Hold the buttons. 10–15 You can choose the Restore Menu for a few seconds. data/factory reset.

What happens after the dump:

• ✅ All installed apps and accounts will be deleted.
• ✅ Image, sound and network settings will reset to standard.
• ❌ Personal data (such as saved passwords from Netflix or YouTube) will be lost.

💡

Before reset, take a picture of the image settings (brightness, contrast, color temperature) in the Settings menu. → Display and sound, which will help you quickly restore the usual picture after resetting.

6. Hardware malfunctions: what breaks most often

If the software methods didn't work, the problem could be the hardware, and here are the typical malfunctions of Xiaomi TVs and their signs:

Important: In Mi models TV P1E mi TV Q2 In 2023, there's a defect in the soldered contacts of the processor, which can cause the TV to spontaneously turn off.

If you want to repair your TV yourself:

• 🛒 Order parts only from trusted suppliers (e.g. AliExpress with a seller rating above 98%).
• 🔧 Use an antistatic bracelet when working with boards.
• 📹 Take a video of the process of disassembly – this will help to properly collect everything back.

7. Problems with Wi-Fi and Internet connection

Xiaomi TVs on Google TV Android TV They require a stable Internet connection to run applications and updates:

• 📶 Check the router. Reboot it (turn it off for 30 seconds). Make sure other devices connect to that network.
• 🔒 Password from Wi-Fi. Enter it again in the Settings menu → Network and Internet → Wi-Fi. Pay attention to the symbol register!
• 🔄 Reset network settings. Go to Settings. → Network and Internet → Additionally. → Resetting Wi-Fi settings.
• 📡 Change the Wi-Fi channel. In the router settings, select channel 1, 6 or 11 (they are less loaded). 802.11r (Fast Transition, if enabled.

If the TV is connected to the network, but the Internet is not working:

• 🌐 Check the settings. DNS. Try manually specifying 8.8.8.8 (Google) or 1.1.1.1 (Cloudflare).
• 🔌 Connect the TV to the router via Ethernet cable (if there is a port).
• 📱 Use modem modem on your smartphone and connect the TV to its access point.

⚠️ Attention: In the firmware Mi TV There was a bug before version 2.0.180 that caused the TV to lose its Wi-Fi connection after sleep!

FAQ: Frequent questions about Xiaomi TV malfunctions