Here's how: Restart the phone: Sometimes, the black block is caused by a software problem. InspectSettings: Go to the Settings menu of the phone, find the "Display" or "screen" option, and check whether there is any abnormal Settings related to the screen. Check applications: Some applications can cause screen display problems. Update system software: Make sure your phone system is up to date.
Hello, this should be your phone battery is too low, just charge for a while, it will disappear.
The details are as follows: As shown in the following figure, this situation is generally caused by the mobile phone opening the virtual home button. To solve this problem, we just need to turn off the floating Home buttonThat's it.
Indicates that the system is damaged and cannot run properly. You need to use itunes to restore your system. Install iTunes. Launch iTunes. Plug in your iPhone, hold down Power and Home for 10 seconds, wait until the screen goes black (as a rule of thumb, about 0.5-1 seconds after the screen goes black), release the Power button, and hold it until iTunes recognizes the iPhone.
This should be the case after your phone is reset. The emergence of a prompt, used or taughtA program you use. If you know the phone's program like the back of your hand. Then the program can simply ignore the past.
A black round dot appears on the Apple screen A black round dot appears on the Apple screen, which is used to connect the function of the wired mouse, trackpad or auxiliary Bluetooth device. If it is not required, it can be turned off in the following ways: A black round dot appears on the Apple screen to open the Settings of the phone, click the accessibility button, and enterAccessibility Settings page.
Recently, some users found that after the iPhone is connected to Bluetooth, a small black circle will appear in the middle of the screen, and may not be able to operate the screen, as shown in the figure: in fact, this function is used to connect a wired mouse, trackpad or auxiliary Bluetooth device, in order to control and use the screen pointer on iPhone or iPad.
That is the fingerprint recognition module under the screen, used to unlock the screen fingerprint, finger press in the black circle, you can automatically identify the fingerprint to unlock the phone screen.
1, directly scrape off can be used. First of all, the reason for the black spot on the Apple charger may be due to the poor contact between the charger plug and the socket copper sheet, resulting in electrical spark or high temperature, and the other may be caused by frequent pulling. Therefore, in the process of use, we can try to avoid the above two problems, so as to protect the charger is not easy to produce black spots.
2, there are black spots on the apple charger can use alcohol to wipe it if it can not be removed, then use gasoline to wipe itTo clean it up.
3, if not a large area and degree of black spots do not affect the use of, will not affect charging. The apple charging cable has black spots because the surface of the charging cable is partially oxidized and black, which can be wiped off with an ordinary eraser.
4, after inserting the USB cable, right click on the desktop My computer -- Properties -- Device Manager -- Modem to check whether there is an additional Motorola Usb Modem item. If this does not occur or does not work properly, you must re-confirm the installation of the driver.