The Apple phone can t be turned on, the black screen is black, it can t be turned on, and it s urgen

Is it that white apples can't get up? Try holding both keys together for 8 seconds. If it doesn't work, just connect to the computer and fix it. If it doesn't work, go to Apple after-sales maintenance.

The solution to the problem that the Apple phone can't turn on is on:

First, the reason for the crash is that the machine cannot be turned on.

The mobile phone can't be turned on, it is divided into many kinds, if there is a crash failure.

Then there's no need to make a fuss, just press and hold the "Power Button" and "Home Button" above your phone at the same time.

If you press and hold at the same time and it doesn't turn on, remember not to let go, the press and hold time is about 10 seconds, and it will generally turn on.

2. Reasons for jailbreak.

Many users have reported that after the jailbreak of the mobile phone, the mobile phone begins to turn on.

If you find that your phone can't turn on after jailbreaking, or after upgrading the system, you just need to connect to iTunes and fix it.

Or you can use other mobile assistant software to fix it.

3. Hardware failure.

The Apple phone can't be turned on, check if there is a problem with the switch button of the phone, or if there is a hardware problem in the phone.

If you have experience in hardware maintenance in this area, you can disassemble the machine for testing, but this practice is not advocated, and it is recommended to send it to the warranty.

Take iphone11, ios13 system as an example, the apple mobile phone suddenly has a black screen and can't turn on the reason:

1. The iPhone may suffer physical damage, such as bending and deformation or water ingress.

2. It may be that when the memory of the Apple phone is insufficient, it suddenly causes a black screen or crash.

3. It may be that the Apple phone has insufficient battery and cannot be turned on.

4. There may be a problem with the boot button or other hardware of the Apple mobile phone.

Solution: 1. If the power is insufficient, you can use the original data cable and charger to charge the Apple mobile phone and check whether the mobile phone responds.

2. If you confirm that the Apple phone has power, you can press and hold the power button and the home button of the mobile phone at the same time, press and hold for about 10 seconds to release, and the mobile phone will automatically restart if it is not faulty.

3. If the above methods don't work, you can charge the iPhone for a while before trying to restart.

4. If the phone does not respond even if it is charged all the time, it is recommended to send it to the Apple repair department to check whether there is a problem with the accessories.

5. After the above operations, there is still no response or can not be turned on normally, it is recommended to send it to the local Apple official for after-sales maintenance.

This answer applies to most Apple phone models.

Reasons why the Apple phone can't turn on:

1. There is no electricity. If you use up all the battery power, the charge needs to be charged to 5% before it can be turned on normally. So in this case, please let the phone charge for a while before trying to turn it on.

2. Software malfunction. If you are sure that the current battery of your phone is sufficient, but it cannot be turned on normally, there may be a problem with the software system of your phone. At this time, we can try to press the home button + power button on the home screen of the mobile phone at the same time until the screen is lit up and there is a display.

3. System crash. If none of the above solutions work, and you see an iTunes connection screen on your iPhone's screen, it means that your phone has entered recovery mode at this time. When this happens, the only way to do this is to restore the system for your phone.

Connect your phone with the computer with a data cable, press and hold the home button and the power button at the same time for 10 seconds, then release the power button and continue to press and hold the home button for 5 seconds, if you see the connection to iTunes, it is a failure, and you have to start again. If the screen doesn't light up after these 2 steps, you will enter DFU recovery mode, and then you can use iTunes to restore your iPhone, or use a third-party flashing software to reflash your iPhone.

When the black screen of the iPhone cannot be opened, we can use the method of force restart, press and hold the home button and the lock screen button at the same time for ten seconds to solve the problem caused by the phone crash. In addition, you can also plug in the charger, if the screen shows the charging screen, it means that the mobile phone battery has started the low-voltage protection function, and it usually takes 15 to 20 minutes of charging before it can be turned on.

When the black screen of the Apple mobile phone cannot be opened, first press and hold the home button and the lock screen button at the same time for ten seconds, which can solve the black screen problem caused by the mobile phone crash, in addition, you can plug in the charger, if the screen displays the charging screen, it means that the mobile phone battery has started the low voltage protection function, and it can only be turned on after charging for 15 to 20 minutes.

When the black screen of the iPhone cannot be opened, use the method of force restart. Press and hold the home button and the lock screen button at the same time for ten seconds, and the phone will restart. If the screen is still black, just connect the charger to charge.

If it still doesn't work, there may be a problem with the screen hardware, and you can go to the repair center for repair.

What should I do if the black screen of the iPhone does not turn on?

I'm an Apple repair engineer, so let me tell you about it.

One, the general reason why the iPhone won't turn on:

1.It may be that the hardware of the iPhone motherboard is damaged and the phone cannot be turned on.

2.It is also possible that the iPhone's battery is in poor contact or has been damaged, resulting in it not being able to turn on.

Second, the fault handling method:

1.When your iPhone suddenly goes black, freezes, can't turn on, and there is no response, you can try to press and hold the power and home buttons on the home screen at the same time and keep them for more than 10 seconds. See if you can force a restart.

2.If the force restart is successful, you can see an Apple logo on the screen. After the reboot is successful, it can be used normally.

3. If the above method does not work, it means that it is a motherboard problem, and the motherboard can only be repaired.

The motherboard is composed of hundreds of chips such as CPU, baseband, power chip, power amplifier, etc., and only the chip needs to be replaced.

The cost of chip replacement is generally hundreds, 34,000 to replace the motherboard, and many small shops do not know how to repair this high-end model, so they let the motherboard be replaced, don't believe it.

The following picture is the detailed diagram of the motherboard that usually repairs the mobile phone, and you can repair the chip on it.

My sign is my ID name.

1. The boot line is abnormal: use an external power supply to supply power to the mobile phone, use the electric 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 not in good contact.

2. The power supply circuit of the battery is abnormal: use the external interface to supply power to the mobile 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. Problems with logic circuits: that is, faults in the circuit version of mobile phones, which can generally be solved by repair welding.

Reasons for the black screen of your iPhone: It may be caused by an internal conflict in the software you have installed. In serious cases, the screen will restart and so on.

It is also possible that the mobile phone has been used for a long time and the heat is not dissipated in time. As long as you press and hold the power button and the exit button (home) at the same time for about 10 years, it will force the shutdown and then restart it. However, it is generally not recommended to force a shutdown.

There is an impact on mobile phones.

The solution to the black screen of the iPhone:

If you enter DFU mode, you will exit according to the exit method of DFU mode.

If the screen is normally black, try connecting the phone to the computer iTunes or press and hold the power button until it can turn on.

If you accidentally press the recovery mode and cause a black screen, press and hold the home button and the power button together, press and hold together for about 15 seconds and let go, and then press the power button to recover.

The black screen is basically a software problem, power button + home button and press and hold for 10 seconds at the same time to see. None of the above methods work, just use iTunes to restore the system. References:

What should I do if my iPhone has a black screen?

It may be a battery issue, it is recommended to replace the battery!

Causes and solutions: 1. Cause: The mobile phone crashed. Solution: Press and hold the unlock button with one hand and the home button with the other, and press and hold for more than 10 seconds at the same time to force a restart.

2. Reason: The phone is out of battery. Workaround:

Use the charger to charge the mobile phone file plexus, if the screen displays the battery icon, the method is correct, wait for the power to be charged to more than 5%, and the power can be used normally, if the screen does not have any response, press and hold the unlock button and the home button with both hands for more than 10 seconds at the same time, and force it to restart;

3. Reason: Mobile phone hardware failure. Solution: Send the loose model phone to an Apple authorized after-sales service store for testing and repair.