Hello All, I haven't been on this forum for awhile, but I'm having a bit of trouble with an iPad. If I press the top sleep/wake button, the iPad does not wake up, or go back to sleep like it used to. It's like the button is unresponsive. However, I can still hold down that button and turn the unit off, as well as take screenshots? Any ideas or input on how to get it working again, as it seems like the button itself is still functioning. I haven't really found anyone else with this issue, by searching it just seems like the button either works or it doesn't. Thanks!