Acer n20 "n50 battery" Questions

...N50 for a year now and sometimes it does not turn on when I am pressing the button on the side. If I try to remove the battery then the red light on top is lighting and after that my pda has done a ...

...N50 and it only switches on every now and then Its a year old and I have Li-ion battery. I have tried a hard reset and I've taken the battery out and checked the prongs are aligning and it all looks ...