Note: This guide is for the currently shipping 21.5-inch and 27-inch iMac. If you’re not sure which iMac you have or want to find information about other models, see the Apple Support article AC power cord: Pass the power cord through the hole in the stand, plug it into the power port on the back of your iMac, then plug the cord into a power outlet.Power button: Press to turn on your iMac. (Choose Apple menu System Preferences.
AC power cord: Pass the power cord through the hole in the stand, plug it into the power port on the back of your iMac, then plug the cord into a power outlet.
Power button: Press to turn on your iMac. (Choose Apple menu System Preferences
Note: The 27-inch iMac has the option to configure nano-texture glass, which can reduce glare while maintaining image contrast. Clean it using the included polishing cloth only. See FaceTime.
Speakers and microphones: The 21.5-inch and 27-inch models include built-in stereo speakers and mics for FaceTime, Siri, and videoconferencing. On the 27-inch iMac, a microphone array delivers studio-quality recordings for podcasts, voice memos, live music, and much more.