Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_5 like Mac OS X; it-it) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8L1 Safari/6533.18.5) Hi everybody, I am quite desperate here. Yesterday evening I opened my girlfriend's macbook unibody to change its battery, that worked at 50%. I opened it and removed battery screws and battery connector, after that I realized that my new (not Apple) battery was a wrong model, so I sadly put it away and reinstalled the original battery inside the mac. I reclosed it, and after that the mac doesn't turn on any more. It doesn't work with battery, it doesn't work with power outlet (magsafe), and the LED on the magsafe connector doesn't light up, it stays dark!! I am afraid something happened to the logic board... I have checked the battery with a Voltmeter and it seems dead... so maybe I have just damaged the battery, and the LED stays dark and the mac doesn't start for this reason, I hope.... I cannot do PRAM or power manager reset, since the mac doesn't start at all!! Do you know if the unybody macbook can work without internal battery? Any help would be much appreciated.