Xiaomi TV Blinks: All the Reasons and What to Do in 2026

Screen or indicator flickering on Xiaomi TV is a problem faced by owners of models from budget Mi TV 4A flagship QLED The symptoms can manifest themselves in different ways: the screen periodically goes out and lights up, the backlight twitches, the power indicator flashes at a certain frequency, or the image disappears completely for a few seconds. In 80 percent of cases, you can fix the problem yourself without going to a service center, but it's important to diagnose the source of the malfunction correctly, so it depends on whether you need to replace the components or if you need to reset the settings enough.

In this article, we will analyze all possible causes of flickering of Xiaomi TVs, starting with the basic (problems with cable or socket) and ending with hardware breakdowns (malfunction). LED-For each reason, we'll give you step-by-step photo instructions, risk warnings, and prevention tips. If your TV only blinks when you're on, watching movies, or connecting to a console, here's the solution.

1. Power problems: socket, network filter or cable

Let's start with the obvious, unstable power supply. Xiaomi TVs, especially the models with the power supply. LED-If the screen blinks at a frequency of 1-2 times per second or completely goes out for 1-3 seconds, first check:

• 🔌 Socket: connect the TV to another socket (preferably with grounding). If the flicker stops, the wiring or contacts of the old socket are a problem.
• ⚡ Network filter/extension: cheap filters without protection from surges can cause micro-outages.
• 🔗 Power cable: inspect the plug and wire for damage. TV 5 Pro and newer cable is often rubbed at the base.

If the TV blinks only when turned on (for example, the Xiaomi logo appears and disappears several times), this may indicate insufficient voltage in the network. TV:220–230 V. At voltages below 200 V, the TV power supply may not cope with the load.

⚠️ Note: Do not use the TV through a thin wire extension cord (cross section less than 1.5 mm2). this can lead to overheating of the cable and fire danger.

If after checking the power problem remains, move to the next section. If the flicker stops, replace the faulty element (outlet, filter or cable). For Xiaomi models with power above 100 watts (for example, Mi Mi TV Q1 75) it is recommended to use network filters with pulse interference protection (e.g, APC SurgeArrest).

2. Malfunction HDMI-cable

Screen flickering only when connected to external devices (set-top box, computer, game console) is almost always associated with HDMI-Symptoms:

• 🎮 The screen blinks when the game is launched PS5 Xbox.
• 💻 Image twitches when connected to laptop or PC.
• 📺 The flicker appears 5-10 minutes after the start of watching movies from the console.

Causes and solutions:

On Xiaomi models with HDMI ARC (Like Mi. TV Q2 65") flickering may be due to conflict with the sound system. HDMI-CEC In the settings of the TV: go to Settings → Devices and connections → HDMI-CEC and deactivate the option.

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If the TV blinks when connecting to Apple TV Or Nvidia Shield, try to turn on the mode "PC" customized HDMI-This will turn off automatic signal processing and can eliminate flickering.

3. Failure of firmware or software

Software errors are one of the most common causes of flickering on Xiaomi TVs, especially after an automatic update.

• 🔄 The screen blinks at a frequency of 1 time in 2-3 seconds, regardless of the source of the signal.
• 📱 The flicker started after the firmware update (for example, with MIUI TV 2.0 to 3.0).
• 🔧 The error appears in the settings "System service stopped".

How to diagnose:

1. Restart the TV: Press the power button on the remote for 10 seconds, then turn it on again.
2. Check the version of the software: Settings → On TV. → Version. MIUI TV.
3. If the version is below the current version (for example, MIUI TV 3.5.1 with 3.6.2) available, update the firmware.

If the TV blinks and does not respond to the remote, perform a forced reset:

1. Shut the TV off the grid.
2. Press the Menu button on the case (not on the remote!) and, holding it, connect the power.
3. Hold the button for 15-20 seconds until the recovery menu appears.
4. Select Wipe Data/Factory Reset (Reset to factory settings).

⚠️ Warning: Reset will remove all installed apps, accounts and settings. on Xiaomi models with Google TV (Like Mi. TV A Pro) after reset will require re-authorization on Netflix and YouTube.

If the reset didn't help, try hand-held firmware through USB. Instructions for Mi TV 4/5 series:

Download the firmware for your model from the official Xiaomi Support website

Unpack. ZIP-root-archive USB-storage (fat32)

Turn off the TV from the network, insert the flash drive into the port USB

Press the Menu buttons. + Volume Down on the case and connect the power

In the Restore Menu, select Apply update from USB-->

4. Faulty LED-lighting

If the Xiaomi TV blinks even in the settings menu (without connecting external devices), and the flicker is accompanied by:

• 💡 Uneven lighting (one side of the screen is darker than the other).
• 🔦 The appearance of vertical stripes when blinking.
• 🔥 Cracking from the back of the body.

This indicates a hardware malfunction of the backlight or matrix.

Xiaomi TVs use two types of backlighting:

• Edge-Lit (LEDs on edges, like in Mi) TV 4S) — They are more likely to fail due to overheating.
• Direct-Lit (LEDs over the entire area, as in the QLED Master Series – more reliable, but more expensive to repair.

Self-diagnosis:

1. Turn on the TV and point the flashlight at an angle, and if you blink, you see the image, the problem is the backlight.
2. Listen to the body while flickering, and cracking or hissing indicates a broken capacitor in the backlight supply.
3. Check if the power bar is blinking in sync with the screen, and if it's not, the matrix is faulty.

The repair of the illumination will cost 3,000–8,000 ₽ (It depends on the model. TV 4A 32" replacement LED-The ribbons are cheaper than the Mi TV Q1 75" where an array of 128 LEDs is used. If the TV is guaranteed, contact the service center:

• 🔧 Torx screwdriver T5/T8 (hull-breaker).
• 💡 New LED-tape or lighting driver (part number can be found on the TV model on AliExpress or eBay).
• 🔥 A soldering iron with a thin sting (to replace capacitors if the problem is in them).

⚠️ Attention: Replacement LED-Don't touch the tape with your bare hands -- fatty traces shorten the life of LEDs. Use gloves or take the tape by the edges.

5. Overheating of components

Xiaomi TVs, especially models with 4K-permitting HDR, They're prone to overheating because of their compact body and their weak cooling system:

• 🔥 20 to 40 minutes after switching on.
• 🌡️ High temperature in the room (above 28)°C).
• 🎮 When playing games or watching content in 4K HDR.

How to check the temperature:

1. Open the back cover of the TV (on the Mi models) TV 5 Pro and newer, it is shot without tools).
2. Turn on the TV and touch the radiators on the board in 30 minutes if they are hot (over 60).°C) - additional cooling is required.
3. And you can look at the air vents, and if they're clogged with dust, that's the main reason for overheating.

Remedies:

On Xiaomi TVs with Android TV You can turn on the power saving mode, which will reduce the load on the processor: → Screen and sound → Power regimen → Energy saving. It'll reduce brightness, but it'll reduce the risk of overheating.

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If the TV blinks and turns off after 1-2 hours, this is a sure sign of overheating. Don't ignore the problem - prolonged use in this mode leads to a motherboard failure.

6. Conflict with external devices or settings

Sometimes the screen flicker is not caused by hardware problems, but by conflicting settings or external devices.

• 📶 Wi-Fi or Bluetooth: on some Xiaomi models (e.g. Mi) TV 4X) wireless modules create flickering interference. Try turning off Wi-Fi in the settings.
• 🔊 Sound systems: if the TV is connected to the soundbar or receiver through ARC/eARC, Check the cable and sound settings (Settings) → Sound. → Exit HDMI).
• 🖥️ Image mode: in the menu Settings → Screen. → Select the picture mode Standard instead of Dynamic or Movie – this will turn off automatic brightness control.

If the TV only blinks when watching specific channels or streaming services (such as Netflix or Movie Search), the problem may be:

• 📶 Unstable Internet connection: check the speed (should be at least 25 Mbps for the Internet) 4K).
• 🔧 Settings HDR: turn off HDR in the settings of the application or TV (Settings) → Screen. → HDR).
• 🛠️ App cache: Clear Netflix or YouTube cache in Settings → Annexes.

On Xiaomi models with Google TV (Like Mi. TV A2 43) flickering may occur due to automatic switching of the refresh rate of the screen:

1. Go to Settings. → Screen. → Additional settings.
2. Select the refresh rate.
3. Set a fixed value (for example, 60 Hz instead of Auto).

7. When to contact the service center

If you have tried all the ways in this article, but the Xiaomi TV continues to blink, most likely the problem is a hardware malfunction that can not be fixed on your own.

• 💥 The flickering is accompanied by the smell of burning or smoke from the body.
• ⚡ The TV does not turn on after blinking (power indicator flashes red).
• 🔧 On the screen appeared vertical or horizontal stripes that do not disappear.
• 💡 The lights are completely gone, but the sound is working.
• 🔄 The flickering occurs even in the service menu (caused by holding the Menu buttons). + Volume Up when switched on).

Average prices for repairs in service centers (2026):

Before the service visit:

1. Take a photo or videotape the symptoms (this will help the master to determine the cause faster).
2. Check if you have a warranty (even if it expires, some services make a discount).
3. Check if there was any moisture or physical damage (this may void the warranty).

⚠️ Note: If the TV is guaranteed, do not disassemble it yourself - this will lead to the refusal of free repairs. mi.com/ru/service.

FAQ: Frequent Questions About Xiaomi TVs