Q. I have owned an iPad since they first came out and I love it. But I have a problem when touching the screen where it doesn’ t always respond to my taps. What is going on and how do I fix it? A. The ...

I’m trying to decide if this is a software bug, a hardware bug, a manufacturing defect, or just normal (if imperfect) behavior. Pretty frequently, my iPad won’t recognize to an attempt to scroll. I ...