How do you undo an undo on Mac?
Undo the last action: Choose Edit > Undo (from the Edit menu at the top of your screen), or press Command-Z on your keyboard. Redo the last action you undid: Choose Edit > Redo, or press Command-Shift-Z.
How do you shutdown a Frozen Mac?
To force shut down your Mac, press and hold the power button until the screen goes black. This might take 10 seconds or more; just keep holding the button. After your Mac shuts down, wait a few moments to let it cool off, then briefly press the power button again to restart it.
What is CTRL y in Mac?
In most Windows applications this keyboard shortcut functions as Redo, reversing a previous Undo. In some programs such as Microsoft Office it repeats the previous action if it was something other than Undo. Apple Macintosh systems use ⇧ Shift + ⌘ Command + Z for Redo.
Why my Mac won’t shut down?
If your Mac still doesn’t shut down you may have to force it to switch off. Press and hold the Power button on your Mac until the screen goes black and the power light goes off. You may hear a wiring sound and a click. Leave the Mac for around 30 seconds before pressing the Power button again to switch it back on.
How do I shutdown my Mac without the power button?
If you don’t have a power button, then you’ll need to hold Control and Command plus the Eject button or the Touch ID button instead. Keep the button held down for around 10 seconds, after which your Mac’s screen should go black.
How do you restart a frozen Mac without the power button?
All it takes to force a restart of a frozen MacBook Pro with Touch Bar is to press down on the Touch ID button until the device reboots.
What is Command H on Mac?
Command-H: Hide the windows of the front app. To view the front app but hide all other apps, press Option-Command-H.
Why won’t my Mac restart or shut down?