What s going on with the wireless reboot after Apple s 7p stuck screen? We want the cause, not the s

System reasons, flash the machine first, if it doesn't work, it's a motherboard problem.

1. In this case, most of the time there is a problem with the system of the mobile phone, and it is impossible to boot it, so the only way is to enter DFU mode to flash the machine, first of all, install an iTunes on the computer;

2. After installing iTunes on the computer, then you have to re** an Apple system, that is, iOS firmware, this firmware version is as much different as possible from the current mobile phone version, and the firmware can be found as long as it is a glance;

3. After preparing the iTunes and flashing firmware, you can start to officially flash the computer, first open the iTunes installed on the computer, and then connect the iPhone with the computer with a data cable;

4. After connecting the mobile phone with the computer, and then press the power button and the volume reduction button at the same time, at this time Apple's logo will appear, don't care, continue to press the double button and don't let go, the Apple logo will disappear again, at this time, release the power button, continue to keep the volume reduction key and don't let go, and keep pressing until the computer sends out the prompt sound "Ding Dong" connected to the mobile phone, which means that it has entered the DFU;

5. When the mobile phone enters the DFU, iTunes on the computer will pop up a prompt to connect to an iPhone, click "Confirm";

6. When you click "OK", iTunes will appear as shown in the following figure, this time the more critical step is coming, the shift key on the keyboard, and then click the "Restore iPhone" button;

7. After clicking the "Restore iPhone" button, the system will open the folder, and then select the firmware that has been done before, at this time, the system will remind you, click "OK";

8. After completing the above steps, start to reinstall the system, and then on the way to restore the iPhone, do not turn off the computer or unplug the data cable, let alone turn off iTunes;

9. When the mobile phone system is installed, and the screen of the mobile phone appears in the following situation, it means that the mobile phone system has been reinstalled successfully, and then open it for use.

1. You can troubleshoot: graphics card driver, power supply, cable, display, graphics card failure 2, graphics card driver can be replaced with a graphics card driver, or use the driver wizard to reinstall the graphics card driver 3, what is the power of the power supply? If the power supply is used for a long time, the peak value will drop, and the unstable power supply will also cause the failure of the blurred screen.

4. The cable and display are replaced with other monitors and cables to eliminate 5. If the above are normal, most of them are graphics card hardware failures, and you need to contact after-sales inspection and maintenance.

It is recommended to restart the phone to see if it can be used normally, if not, it means that this is a kind of screen blurry, and the reasons and solutions for the blurry screen are as follows:

1. If the cable of the mobile phone is broken, the cable connecting the screen and the motherboard is burned or the contact is poor, so it is good to go to the after-sales store to replace it.

2. The screen is broken and the screen needs to be replaced, ** higher.

3. The motherboard is broken, this probability is relatively small, but it is not ruled out that the solution is to replace the motherboard, which can be repaired by Apple. It is mainly caused by the failure of the screen group, that is, the problem of the screen line IC.