The screen is a critical component of the iPad, so it can cause a lot of panic when it suddenly has issues. Aside from the button or two on the sides of the iPad (and a Home button on older models), ...

If you want to get the iPad home button on your iPad screen for any reason, you can turn it on via the iPad settings. You may want to add this home button on the iPad screen if you want more options ...

Anyone else have this happen? iPad 2, about a year old (although still within warranty, thankfully). Button would occasionally not register clicks, but it got a lot worse suddenly so I took it in.