[ctiger]

So if you reset by the reset button, the screen will be on, but then if it goes to sleep and turn off the screen, it will not turn back on? That's really interesting. I'll say it's more like a software problem. Because for hardware issue, the screen should be consistently off. I have my old diamond dropped to ground and the screen went off just like what strra said, but it won't come back no matter what, not reset. That's a hardware problem, and I opened the phone and plug the connector back, and the screen came back on.