Choose the one for your Mac model: All MacBook Air models, as well as MacBook and MacBook Pro models mid-2009 or later (excluding the mid-2009 13' MacBook) Shut down your Mac. Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected. Most older Mac notebooks have removable batteries. Your beloved Mac seems to be responding to the power adapter, because it lights up green initially and then orange, but you cannot get it to respond.
SMC Reset on MacBook, MacBook Pro and MacBook Air (Non-Removable Battery) Shut down your Mac. Manual smc reset macbook air For iMacs, simply unplug the cable for 15 seconds, plug it back in, wait five more seconds, and then power up.
