What should I do if the screen suddenly goes black when playing a game with iPhone 8P?

1. Usually, the Apple mobile phone suddenly has a black screen and can't turn on the machine due to the following factors:

1.The screen shows a malfunction.

2.Faulty cables.

3.Motherboard failure.

4.Battery failure.

iPhone P, X force restart: Quickly press volume +, then press volume - , press and hold the power button (lock screen button) to restart the phone!

After the iPhone restarts, first check whether the battery power, system software, appstore, etc. can be used normally, and then use it for a period of time to see if there will be a sudden black screen of the Apple phone and cannot turn on.

The main reasons for the black screen of Apple iPhone are as follows:

1. Apple itself is a refurbished machine or a machine with questionable quality, which is prone to unstable black screen situations.

2. Entered Apple's DFU mode by accident, that is, the recovery mode of Apple's mobile phone.

3. It may be caused by the failure of the Apple mobile phone system to start.

4. The internal hardware of the Apple phone is damaged or the screen is broken.

If the problem does not solve your problem, it is recommended that you bring your phone to an Apple customer service center for repair.

If there is a problem with the mobile phone, it is recommended to take it to Apple after-sales service to check and repair.

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.

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.

1. Conduct a self-test on your phone. Most brands of mobile phones have a deep sleep mode, and once you enter this mode, it will often cause the phone to go black.

Won't turn on. Solution: Press and hold the power button of the phone for more than 10 seconds to see if you can force restart.

Or at the same time, you can press and hold the volume up button and the power off button, and feel the phone vibrate and force it to restart. Generally speaking, this step can solve the problem of black screen on most mobile phones.

2. The battery is dead or malfunctioning. Solving this problem is as simple as connecting the charger for a while and then trying to turn it on. You can also directly detach the battery and use the universal charger.

Charge and see if the battery's connectors are loose.

If it can be turned on after charging, it means that the battery is just dead. If it still doesn't work, you can try a different battery. Check if the battery is faulty and no longer has power.

3. In addition, a violent fall on the mobile phone may also cause the mobile phone to have a black screen. This is a troublesome situation, and it is likely that the hardware of the phone is malfunctioning, so it will have to be repaired.

Extended Information: Common troubleshooting of mobile phones:

Symptom: The phone crashes.

1. There are too many programs running in the background.

Open an app, after using it, most people return to the desktop of the phone by pressing the back button of the phone, thinking that this is to quit the app, but in fact there is no real exit from the app. As a result, more and more apps run quietly in the background over time, and when the number reaches a certain level, it will cause the phone to crash.

Many people will be too lazy to upgrade the app, but when the app version is too low, it will be incompatible with the mobile phone system. In the same way, when the mobile phone system version is too low, it will not be able to meet the requirements of APP operation. As a result, there will be a flashback.

Upgrade to a new version or upgrade your phone system to a new version, and then restart your phone.

3. Mobile phone poisoning.

Mobile phone applications installed from unknown sources** may carry malicious**, resulting in mobile phone poisoning or anti-virus software.

Interceptions will cause flashbacks.

4. Software conflicts.

There are too many software installed on the phone, and due to the different degrees of optimization of each, it is easy to have conflicts and crashes. In particular, if there are too many installations of the same type of software, this phenomenon is more likely to occur, after all, there is a competitive relationship between each other.

Solution: Check your phone once in a while, and uninstall some apps in time if you don't use them. Try not to install too much software of the same type, and it is recommended to use small programs for occasional use.

As far as it goes, thanks to Android.

The mobile phone will produce more and more cache files, and the mobile phone will crash when it exceeds a certain load.

Solution: Regularly clean and accelerate the mobile phone, and clean up the application software that occupies a large amount of memory.