Help, TP screen won't come back on after screen lock.

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I have a Sprint Touch Pro that has started acting up over the past few days. It seems at random the screen won't come back on after I lock the screen. The problem use to go away with just a reset but now the screen sometimes stays off even during the boot sequence and take multiple resets to bring it back on. Also during some of the startups the screen fades to a light blue. Anyone have this happen with their TP?