i got the same problem here... my N900 is about 2 weeks old.. i charged it many times.. but today.. i plugged it in at my PC, but nothing happend, no green light, no messages appears at N900... i tried another cable, another PC, and than i tried it with the 230V - Charger... but.. nothing.. i removed the battery, waited for 5 min, tried again.. nothing.. so.. any ideas? - M4dMike