With the MagSafe stuck on orange I have found plugging/half plugging repeatedly had worked. Not sure what it is on mine cuz the MagSafe is clean and so is the computer input. Could be a faulty connection.
The is a connection that is near the middle outside of the board (near the wifi card) and it looks similar to the I/O connection. Would anyone be able to identify what that connection is and what it is for. I have a 2012 MBA and I wondered if it is a PCIe connection that is unused???