E71x blank display, backlight keeps blinking on an...

I've had my E71x for a week and have not had any problems until now. While trying to power the phone on, all I get is a blank display and then the backlight just blinks on and off.
The battery was fully charged when I turned the phone off. I've tried removing the battery and putting it back in. I've also tried the reset by holding the green call button and 3*. Nothing has worked.
Thanks in advance

" I've also tried the reset by holding the green call button and 3*. Nothing has worked."
You can try this key combination once more just to be sure.
Otherwise visit your nearest Nokia Care Point.
Previous Phones: 6600, 7610, 6230, 6230i, 1100, 1112, N70, N73, N95, N95 8GB, 5800XM, 5230, C5, iPhone 3GS, SE Xperia X10, N900, N8, SE Xperia Arc
Current Phones: Nokia N9, iPhone 4

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E71x blank display, backlight keeps blinking on an...

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