been a long time user of ATVs. Added a 4 to the mix and its a total PITA. Frequently fails to hook to my itunes library but the rest of my ATV3s are fine. Says to check to make sure computer and atv4 are on same network. They are hardwired. Funny thing is that it sees the library but when i select it then comes the error. Once in awhile the home hub/homekit just stops working. Any most frustrating is feequently i have no hdmi output at all. I have unplug the power cable to ATV4 and plug it back in. Its got the latest updates and all. On a wired network for the ATV4 and the mac. I search and i hear the same issues. What gives with these things. Mine is not the 4k. Just the 32 gig version. Any help appreciated.