My laptop (MacBook pro 15 inch late 2011 edition) won’t turn on anymore; resetting SMC, trying other adapter, etc doesn’t work. The light on the adaptor is green, not orange, so it’s not charging. When I press the battery indicator button on the side of the laptop when the adaptor is not connected, the battery seems completely drained.
I think the battery is defective - but I find it strange that the computer won’t turn on with the adaptor connected. Before I order a new battery and change it I wonder if a faulty battery is really the cause. Any thoughts? Suggestions highly appreciated!