How do I force a factory reset on my imac?

How do I force a factory reset on my imac?

Shut down your Mac, then turn it on and immediately press and hold these four keys together: Option, Command, P, and R. Release the keys after about 20 seconds. This clears user settings from memory and restores certain security features that might have been altered.

What do you do when a factory reset doesn’t work?

But if you can’t perform a normal factory reset–say, if your phone won’t boot properly–you can do it through Android’s recovery environment. Ensure you have any important data backed up before doing a reset. This includes your Google Authenticator credentials, which will be lost during the reset.

What do you do if your Mac won’t reset?

Hold down all of these keys: Command, Option (Alt), P and R, and turn on the Mac (it’s the same keys to reset the PRAM). Keep holding the keys down until you hear the Mac restart again. Listen for a second reboot, and then release the keys.

How do I restore my 2011 iMac to factory settings?

After the iMac shuts down completely but before it begins to restart, hold down the Command (⌘) and R keys at the same time. The Mac will display the macOS Utilities menu, from which you can reinstall Mac OS.

How do I factory reset my 2009 iMac without CD?

Select the hard drive on which Mac OS X is installed from the tree list on the left side of the window. Open the “Erase” tab. Select “Mac OS Extended (Journaled)” from the “Format:” drop menu and enter a name for the hard drive in the “Name:” text entry field. Click “Erase…” to clear all of the hard drive’s contents.

How do you force start a Mac?

How to Force Restart Your Mac. Press and hold down the Command (⌘) and Control (Ctrl) keys along with the power button (or the ‌Touch ID‌ / Eject button, depending on the Mac model) until the screen goes blank and the machine restarts.

How do I reset my 2011 iMac High Sierra?

How to Factory Reset Mac OS X to Original Default Factory Settings

  1. Reboot the Mac and right after the boot chime sound, hold down the COMMAND + R keys together to boot into Recovery Mode.
  2. Once in Recovery Mode and at the “macOS Utilities” (or “OS X Utilities”) screen, select “Disk Utility”

How do I restore my 2009 iMac to factory settings?

Helpful answers

  1. Shutdown iMac.
  2. Unplug power cord from back of iMac.
  3. Press and hold power button for 20 seconds.
  4. Restore power cord; power on iMac.
  5. Immediately on hearing Startup Chime, press and hold Command-Option-P-R keys (⌘⌥ P R)

How do I factory reset my 2009 iMac?

How do I reset my MacBook to factory settings?

And if you want to factory reset a MacBook, make sure it’s plugged into the mains before you start. When your Mac shuts off and powers back on, press and hold Cmd + R until you see the Apple logo. Release the keys While in Recovery mode, you won’t see your usual login screen. Instead, you’ll see the macOS Utilities window

How do I restart my MacBook Pro from Intel?

On a Mac with Apple silicon: Choose Apple menu > Shut Down, press and hold the power button until you see “Loading startup options,” select Options, click Continue, then follow the onscreen instructions. On an Intel-based Mac: Choose Apple menu > Restart, then immediately press and hold Command-R.

How to start up a MAC in recovery?

1 Start up your computer in macOS Recovery: 1.1 On a Mac with Apple silicon: Choose Apple menu > Shut Down, press and hold the power button until you see “Loading startup options,” select Options, 1.2 On an Intel-based Mac: Choose Apple menu > Restart, then immediately press and hold Command-R.

What do I need to do to reinstall Mac OS?

If you’re reinstalling on a Mac notebook computer, plug in the power adapter. Start up your computer in macOS Recovery: On a Mac with Apple silicon: Choose Apple menu > Shut Down, press and hold the power button until you see “Loading startup options,” select Options, click Continue, then follow the onscreen instructions.

How do I force a factory reset on my imac? Shut down your Mac, then turn it on and immediately press and hold these four keys together: Option, Command, P, and R. Release the keys after about 20 seconds. This clears user settings from memory and restores certain security features that might have been altered.…