How to Fix a Touch Screen That Isn't Working We've found that the following steps can help a touch screen start working again. You should try them in this order, but some may not apply to your device.

Do you have vertical or horizontal lines on your phone screen? Learn what the issue is on Android and iPhones, and how you can fix it.

This problem isn't specific to one operating system. All phones, from budget Android phones to iPhones, can have issues with black-and-white displays. The cause of a black-and-white screen is simple.