Switch iMac on and off - how it works

Once you've bought an iMac, the first thing you should know is how to turn the computer on and off. We show you exactly how to do this.

iMac: Turn on and turn off the computer

• If you grasp the iMac on the left behind the screen, you will find the power button. If you press the switch, the iMac starts up.
• You can switch off the iMac via the user interface. To do this, click on the Apple menu in the top left and select the "Switch off" option.
• If the iMac cannot be switched off in the usual way in the event of problems, it also works using the power button. Just hold it down for around two seconds.

iMac Retina - what's good for Apple's new iMac? CHIP does the test

Next we will show you how to deactivate the password request after hibernation.