The phone doesn t respond when it turns on, and the black screen doesn t show?

If your phone is on a black screen when you turn it on.

If the state is unresponsive, flashing red light, or the power is turned off directly, the battery may be depleted, and it is recommended that you use the standard charger to charge for more than 30 minutes before trying to turn it on.

It's not easy to judge, but it's generally just a few problems, either the battery is broken, or the hardware is broken, or the display is broken, in short, this has to be repaired!

It could just be broken. Just fix it. There is another possibility, that is, there is no electricity.

Water or power is out, and the battery can't be charged.

Is your phone broken?

There is no response to the black screen when the boot is turned on,In this case, it is possible that the state of matter is the hand cover Yuyuan machine is dead,It is recommended to force restart the phone to try,If it doesn't work,It may also be out of power,Charge the phone,See if you can disassemble and make a decision。

The black screen of the mobile phone is generally caused by the following factors:

2. There are too many cache files It is recommended to clean the cache.

3. If there is a problem with the mobile phone system, you can back up the data to the customer service center for free upgrade or flash.

4. The abnormality that occurs after the mobile phone is dropped needs to be tested by the customer service center.

Find a charger to try, if the charger doesn't work, press the function key to enter the background mode, if you can't get in, it means that there is a problem with the hardware, which needs to go to the repair shop to disassemble the machine to check.

Turn off your phone and restart it to give it a try.

The phone suddenly went black and didn't react, probably in the following situations:

1.If the phone does not respond when charging after the screen goes black, and there is no response when you press the power button many times, it may be that the motherboard of the phone is damaged or malfunctioning.

2.You can force restart the phone after the phone screen goes black, if you can reboot it, it may be that the phone cache data is too much, that is, the phone garbage accumulates too much and blocks the system operation.

3.It may be caused by the low version of the system, try to upgrade the system.

4.Sometimes when the battery is aging, it will also cause the mobile phone to repeatedly go black, and you need to replace it with a new battery.

5.The black screen of the mobile phone caused by virus invasion is frequent, and the antivirus software needs to be checked and killed by the virus. It should be noted here that when the mobile phone is in any software, it is best to go through the software store that comes with the mobile phone to ensure the security of the mobile phone.

6.If the phone screen is black due to damage or poor contact with the internal components of the phone, it is best to send it to the mobile phone after-sales repair shop.

Let's get a new phone, the new phone doesn't cost much.

Troubleshooting method for the black screen of vivo mobile phone:

1. Force restart your phone.

Try force restarting your phone to see if it resumes, and check if the power and volume buttons are stuck in the case.

Force Restart Method:

Models released before September 2017 (models before x20): Press and hold"Power button"More than 12 seconds.

Models released after September 2017 and new models released later (x20 and later): Press and hold at the same time"Power button"+"Volume down key"More than 10 seconds.

NEX 3 NEX 3S: Press and hold the top round button for more than 10 seconds.

2. Upgrade the system version.

Please upgrade your phone to the latest version to view.

3. Reset all settings.

*Note: Restoring all settings will not delete any data or **files, only all settings of the phone will be restored, some third-party application accounts need to be logged in again, please confirm that it does not affect the use of the software before operating.

4. Service center testing.

If the above methods cannot be solved, please back up the mobile phone data in advance, bring the mobile phone and purchase voucher to the vivo customer service center for testing, customer service center address: enter the vivo official website vivo**app--my-service outlets or vivo official website web version--scroll bottom--service support--service outlets query--select provinces and cities to query the customer service center address. It is recommended to contact ** in advance before going to avoid empty running, plan the itinerary reasonably, and travel safely.

The screen of the mobile phone is damaged and cannot be displayed;

The mobile phone screen is loosely connected to the motherboard, resulting in the inability to display;

Failure to display normally due to system failure;

The black screen of the mobile phone screen caused by software conflict cannot be displayed normally.

Bring the relevant products to the nearest after-sales service center to test and replace the mobile phone screen;

Bring the relevant products to the nearest after-sales service center to test and tighten the screen connection;

Bring the relevant products to the nearest after-sales service center to re-flash the machine;

Take the relevant products to the nearest after-sales service center to restore the factory settings.

It may be that the system software is missing, it is recommended to find after-sales service and reinstall the system.

Hope, thank you!

Go to the place where you bought your phone and get it repaired.

The black screen of the mobile phone may be due to the battery is dead, the screen buttons are broken, the software and hardware of the mobile phone, and the mobile phone is misoperated.

If the phone is stuck and the black screen is unresponsive, you can connect the phone to the charger first, and press and hold the power button for 10s to force restart the phone. After restarting your phone, use Phone Manager to clean up system cache data and junk files. If it will freeze when using a third-party app, it is best to uninstall this abnormal app, and do not run multiple apps while charging daily; You can also contact the service ** to guide you to use the remote diagnosis tool on the mobile phone to preliminarily troubleshoot the mobile phone problem in the state of networking; Open "Services", select "System Performance" in troubleshooting, and click "Start Detection". If the problem is still not solved, after backing up the data, bring the purchase invoice to the special after-sales service center to test the phone.

Hello, 1. The boot line is abnormal: use an external power supply to supply power to the mobile phone, use the telephone meter to detect whether the indication has changed, if there is no change, it is likely that the boot line is broken or the boot button is in poor contact. 2. The power supply circuit of the battery is abnormal

Use the external interface to power the phone, see if it returns to normal when it is turned on, if it is normal, it is determined that the power supply circuit of the mobile phone is abnormal. 3. The IC of the mobile phone power supply is abnormal: test the test point of the peripheral circuit of the power supply IC according to the circuit schematic diagram to see whether the test value is normal.

4. The system clock and reset of the mobile phone are abnormal: you can use the dual total oscilloscope to detect the CPU power supply of the mobile phone to check whether the waveform in the reset is correct. 5. There is a problem with the logic circuit

That is, the fault of the mobile phone circuit, which can generally be solved by repair welding. 6. Software conflict: The installed software does not match the system of the mobile phone, which may also cause the mobile phone to fail to boot, you can connect the mobile phone to the computer to delete the program.

Questions. So how can it be turned on?

Hello, this kind of need to find a professional mobile phone shop for repair, you can't operate it yourself.

If the phone battery is dead and it shuts down suddenly, you need to charge the phone and make sure that the power is sufficient before turning it on.

The phone can be turned on, but the screen is always black, and nothing can be seen, in this case, it is recommended to go to the mobile phone repair shop in time for inspection and repair, it may be that there is a problem with the hardware system of the mobile phone.

In such a situation, the mobile phone should be completely faulty, and it is best to reflash the phone or solve the system problem.

In this case, it may be that there is a problem with your inner screen, that is, the display screen, so it turns on normally, but the picture cannot be displayed.

If the screen is black, it may be because there is a corresponding problem with the relevant data, or there is a problem with the battery in all aspects, so in many cases, you can run the requirements through the relevant configuration, so that you can find some of the content inside.

What is he going to do about this? I need to think of this method by myself.