When your Xiaomi Redmi 5 suddenly stops responding to button presses and the screen stays black, it can take you by surprise. Most often, the problem lies in a software failure of the operating system or a deep battery discharge that takes time to “swing.” However, in some cases, the lack of response to the connection to the power supply network indicates more serious hardware malfunctions, such as the failure of the power controller or the display plume.
Before you bring the device to the service center, you need to conduct a number of diagnostic procedures that will help to localize the cause of the failure. It is important to understand that the absence of an indication (LED) does not always mean the death of the smartphone. Often the gadget simply “hangs” in the boot cycle or is in a deep sleep state from which it must be forcibly removed. Below we will discuss in detail the algorithms of actions for various scenarios.
Redmi 5 is a reliable device, but even it is not immune to software errors or wear of components. Follow the instructions carefully to avoid aggravating the situation. If you notice the smell of burning or bloating back cover, immediately stop trying to turn on and disconnect the device from the network.
Primary Diagnostics and Verification of the Power Source
The first step is always to check the obvious, the charger and the cable, and users often mistakenly assume that if the cable looks good, it's working, but internal fractures are common. Try using another adapter, preferably with original features. 5V/2A, high-quality USB-cable.
Notice the charging connector in the phone itself. The Redmi 5 uses a Micro-USB port that eventually loosens and stops contacting the cable connector tightly. If the phone vibrates or makes a sound when you connect the charging, but the screen doesn't light up, that's a good sign that the power circuit is intact, and the problem is probably in the display.
⚠️ Warning: If you see oxidized copper, pile or dust in the charging connector, clean it carefully with a dry toothbrush or a wooden toothpick. Do not use metal objects to avoid closing contacts!
Leave your smartphone on charge for at least 30-40 minutes, even if it doesn't show signs of life. In a deep discharge, the indicator may not immediately light up. If after an hour of connection to the network, the device is still silent, move to software methods of resuscitation.
📊 What symptom are you facing?
The screen is black, but there is vibration.
The phone shows the logo and goes off.
Total silence, no response to buttons
There is a badge of discharged battery
Forced reboot and entry into Recovery mode
If a software failure has blocked the system, a hard reboot will help, which is data-safe and often helps when the Xiaomi Redmi 5 doesn't turn on in the standard way. You need to press the power button and hold it for a long time, 15 to 30 seconds, and in some cases, you need to simultaneously clamping the Volume+ buttons and Power.
If the device vibrates and the Mi logo appears, then everything is fine with the hardware, and there was just a bug in the operating system. In the case when the phone boots to the logo and turns off again, the system files may be damaged, then you will need to log in to Recovery mode.
To enter the recovery menu, follow the following steps:
- 🔌 Make sure the phone is turned off (if it reacts, wait for the discharge or press the buttons for 20 seconds).
- 🔼 Press the Volume button+ And without letting go, press the power button.
- ⏳ Hold both buttons until the Mi logo appears, then release Power while continuing to hold Volume.+.
- 📱 When the Main Menu menu appears, the volume buttons will work as navigation and the power button as confirmation.
From the Recovery menu, select Reboot and then Reboot to System. If that doesn't work, you can try clearing the cache by selecting Wipe Data, but remember that this will delete all your files.
Diagnostics through Fastboot mode and PC connection
Fastboot is a low-level interface for firmware and diagnostics of Android devices. If Redmi 5 doesn't turn on but responds to that command, then the motherboard and the processor are alive. To enter, press the Loudness button and plug in a USB cable connected to the computer.
The logo of a hare in an orange android-fixing hat, with the inscription FASTBOOT, should appear on the screen. If the image appears, the problem lies in the software or damage to the system partition. The computer in the Device Manager should identify the gadget as the Android Bootloader Interface.
What to do if the Fastboot is not turned on?
If your phone isn’t included in Fastboot, try another one. USB-port USB 2.0 behind the system unit), replace the cable with a known working one and install drivers ADB/Fastboot. It also helps to have a longer (more) 1 minutes) button retention when connecting the cable.> The table below shows the main states of the indicators and their decoding: The state of the indicator / screen Probable reason Recommended action Mitches blue / yellow light Phone in Fastboot or Recovery mode Press the power button on 15 SEC Burning red indicator Critical battery discharge Leave on charging on 2-3 Screen black, no indicators Deep discharge or circuit break Check cable and power supply Screen flashes, but does not turn on firmware failure (Bootloop) Flashing through MiFlash If the computer makes a sound of the device connection, but the screen remains black, this may indicate a malfunction display-module. Try to light up the screen with a flashlight at an angle -- if you see a barely visible image of the interface, it means that the backlight of the display has burned. Problems with the battery and power controller Redmi 5 came out a few years ago, and if you did not change the battery, it could exhaust its life. Lithium-ion batteries lose capacity over time and can “suck” under load. If the phone only turns on when the charger is connected and immediately goes out when it is turned off, the battery needs to be replaced. This is a circuit on a board that distributes power, and when you run a power surge or you run a low-quality charge, it could fail, and the symptom of a controller failure is often heating the bottom of the smartphone in the area of the charging socket even when you're off. ⚠️ Note: Do not attempt to open the battery or pierce it. This can cause chemicals to ignite. If the battery is swelling, it needs to be disposed of at a special reception point. There is a battery push method that sometimes helps to resuscitate a deeply discharged battery. This requires removing the back cover (if it is removable, it is metallic in Redmi 5 and requires a hair dryer to open) and feeding a short-term pulse of current directly to the contacts of the battery from the laboratory power supply unit. Without experience and equipment, it is better not to do it yourself, since there is a risk of burning the fee. If you do not have the skills to work with a multimeter, the Redmi will be the best solution for the new battery to replace the battery with a low cost of 5. Mechanical damage and display plume A common reason Xiaomi Redmi 5 doesn't turn on visually is because the display plume is moving away from the connector on the board. This often happens after falls, even if there is no external damage to the body. The shock wave can simply knock the connector out of the socket. To test this theory, you need to carefully disassemble the smartphone. You will need a suction cup, a thin plastic card and a set of screwdrivers. Heat the body perimeter (not the screen itself strongly) with a hairdriver or put on a warm surface to soften the suction, then turn the screen into the gently, then you will see the screen suction and then the screen s the screen. Also check the fee for the subject: 🔍 Cracks in the area of the processor or power controller. 🌊 Traces of moisture (oxidation, white plaque). 🔥 If you find traces of water, do not immediately try to turn on the device, the board should be washed with ultrasound in alcohol or a special solvent and dried. Trying to turn on a wet phone is guaranteed to short circuit. When professional repair is needed, there are situations when independent action is useless. If Redmi 5 doesn't turn on, doesn't respond to charging, the computer can't see the device, and the indicators are silent — most likely, the problem is the hardware. It could be a circuit break on the board, a malfunction of the processor or flash memory. Diagnostics in the service center using a microscope and a power supply unit allows you to accurately determine the current consumption. If the current is zero, the circuit is open. If the current jumps but the phone doesn't start, the problem is in the software or the memory. If the current is high and it drops immediately, it's short-circuit. You don't have to delay repairing it if you care about it. In some cases, simply soldering the controller or replacing the charging plume is cheaper than buying a new smartphone. However, if the processor burns down, repairs may not be economically feasible. 💡If the phone falls into the water, it counts for minutes. The faster you turn off the power and take the device to the cleaning service, the better the chances of saving the motherboard. Why does Redmi 5 show the logo and turn off? This phenomenon is called "Bootloop." damage to system files after a failed update, memory overflow, flash memory or power button failure (it may stick inside) Requires flashing or replacing the button. Can you recover data if the phone doesn't turn on? If the motherboard or burnt-out processor is a problem, it's almost impossible without complex hardware. If the problem is in the screen or battery, the data will be saved after the faulty component is replaced. Regularly backup the Mi Cloud. How long does a fully discharged Redmi 5 take? In deep discharge, the first signs of life can appear in 15-30 minutes. Full charge from scratch usually takes about 2.5-3 hours by the original charger. Using powerful power units (Quick Charge) can speed up the process, but is not recommended for older batteries.