I let my N800 sit for about a week and the battery has apparently died while it was on. When I plug it into the charger, the white NOKIA screen flashes about 5 times then it sits black. I have let it sit all night without the battery in, installed the battery, waited 3 minutes, then put it on the charger and the same thing happens. I've removed the SD cards and that doesn't help. I've tried holding the power button down every which way on and off the charger... it won't turn on or charge at all.

This is the second N800 I've had with power-on/charging problems. The first one I returned, this is a replacement that has been working fine for a few months but is now unable to turn on or charge.

What do I do to get it to charge and power on?