davelaw56 Joined Mar 29, 2013 Messages 168 Motherboard Gigabyte GA-Z87X OC CPU i7-4790K Graphics HD 4600 Mac Mobile Phone May 17, 2016 #11 uncheck wake for network access in energy saver did the trick for me iMac 14.2 GA-Z87X-OC | i7 4790K | HD 4600