Let go and wait a few seconds, then press it again to turn on the Mac. For both MacBooks and desktop Macs, turn off the device, then press and hold the power button for 10 seconds. If your Mac has a T2 chip, the process is different. If you’re using a Mac desktop without a T2 chip (such as an iMac), switch it off, unplug the power cord and wait 15 seconds, plug it back in, then turn on your Mac.

Now press the power button to switch on your Mac. Hold all these keys for 10 seconds, then let go. If you’re using a MacBook that doesn’t (meaning you don’t have at least a 2016 or newer MacBook Pro), shut it down, then press Shift+Ctrl+Opt and the power button at the same time. What you do depends on whether your Mac has a T2 Security Chip. If your Mac keeps freezing, it could be that the SMC needs to be reset. The System Management Controller (SMC) takes care of all sorts of things behind the scenes in your Mac, from battery management to keyboard backlighting. Fabian Irsara/Unsplash Reset the System Management Controller If your Mac is entirely locked up and the above steps won’t work, press Ctrl+Opt+Cmd and the power button at the same time this will reboot your Mac. Select the app you want to close, then click Force Quit (or Relaunch if Finder has frozen), then click Force Quit on the confirmation dialogue box. Hold Option (labeled as Alt on some Mac keyboards) until Quit becomes Force Quit click this.Īlternatively, try pressing Opt+Cmd+Esc to open the Force Quit window. If an app has frozen and quitting it won’t work, Ctrl+click its icon in the Dock, then hover the pointer over the Quit button.

The first thing to try if your Mac is unresponsive is checking if an app has frozen, as sometimes this can also lock up your Mac.

Imac keeps freezing late 2016