I followed the steps to reset the SMC on my late 2013 iMac, and once I plugged back in the iMac chimed and immediately quit a couple times. When I pushed the button, it chimed, started to spin up, and shut back down. So it was progress, previously there had been nothing. Any ideas?
iMac (27-inch, Late 2013), OS X Mavericks (10.9.4)