17" macbook pro dead after two months on charge but not used.

[rusty sparrow]

Looks like a logic board failure. These appear quite common but repairs outside the apple network are around a £1-200. The fix is to reflow the soldered joints to the processor - one website recommends putting the board in a domestic fan oven http://ales.io/2014/03/09/how-to-bake-a-mac.html