If your iPhone shows a black, unresponsive screen, start by checking for physical damage or charging the device for at least 15 minutes. If that doesn’t help, force restart your iPhone or update its ...

Turn off your system. Remove the power cord and disconnect all the peripherals. Disconnect the charger if it is a laptop. Press and hold the power button for up to 30 seconds. Turn on your system.

If you see a black screen on launching or sometime after launching a game, here are some suggestions that are sure to help you fix the problem. But before you proceed, check if your system fulfills ...