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.

If your iPad touchscreen isn't working, the solution might be simple. Try restarting the iPad or cleaning and drying its screen and your fingers.

A dirty iPhone screen can affect your iPhone's ability to detect changes in charge (which is how a touch screen works). Ultimately, this can cause your iPhone's screen to not respond to your touch.