• A simple hardware failure is the most typical cause of a cellphone's screen going black. This can be caused by the LCD itself failing, the cable connecting the LCD to the control board failing, or even the cable's connections becoming loose.
• Damage to the screen from a bad drop or accident is the most common cause of a black screen of death. The phone screen will become unresponsive if the components connecting the screen to the motherboard fail. However, the device's black screen of death can also be caused by software faults.
• Remove the Android System Problem.
• Inspect and clean your Android device.
•  Try charging your phone.
• Remove the battery from the phone.
• Force your Android phone to restart.

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