I was using it as normal yesterday, connected to the computer, when the screen suddenly stopped responding and, after 30 seconds, dimming to black. Tried holding down the keys to restart it countless times, but no dice. All this the night before a much awaited gig too. I guess I'm gonna haveta RMA the mother**bleep**er now.
For anyone with experience of RMA, did you get your issue fixed with your data intact?
Same happened to mine. Sometime between 8th and 9th of September (23:00-07:00 UTC). Didn't observe how it happened. No reaction when connecting chargers. No reaction to holding the power button for 15+ seconds. No reaction when holding the power + volume down buttons for 15+ seconds. No reaction when holding the power + volume up buttons for 15+ seconds. No reaction when holding the power + volume down and up buttons for 15+ seconds. Tried these options with and without charger connected.