How to erase a 2011 imac?

1. Turn on your Mac and continue to press and hold the power button until the startup options window comes up.
2. When the Utilities window appears, select Disk Utility.
3. In the sidebar, choose Macintosh HD.
4. Click the “Erase” button, then select a file system format and enter a name for it.

As many you asked, how do I factory reset my iMac 2011 without the disk?

Additionally, how do I clear everything off my iMac?

Amazingly, how do I reset my 2011 iMac High Sierra?

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”

Likewise, how do I restore my old iMac to factory settings?

1. Turn your Mac computer off.
2. Press the power button to turn it on, then immediately press and hold Command (⌘) + R.
3. After a few moments, the macOS Utilities window should appear — this is known as Recovery Mode.
4. Select “Disk Utility” and click “Continue.”

Type in “rm -f ” without the quotation marks, and with the space after the f. Then find the file that wont delete, and drag it to the Terminal window, and the path to that item should appear. Double check that this is the thing you want to delete, then press enter.

How do I delete administrator account on Mac?

1. Locate Users & Groups on the bottom left.
2. Select the padlock icon.
3. Enter your password.
4. Select the admin user on the left and then select the minus icon near the bottom.
5. Choose an option from the list and then select Delete User.

How long does it take to wipe a Mac?

I’d estimate anywhere from 1 to 5 hours would be the norm but it’s possible for it to take up to 12 hours. Make sure you erase everything securely before selling it so the buyer can’t recover your saved passwords. Several seconds if done properly: What to do before selling or giving away your Mac.

How do I factory reset my MacBook Pro 2011?

To do so, shut down your Mac, then turn it on and immediately press and hold four keys together: Option, Command, P, and R. You can release the keys after 20 seconds or so. That’s it!

How do I factory reset my Mac desktop 2010?

1. Insert the Mac OS X Install disc, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu.
3. Click the Erase tab.

How do I restore my MacBook Air 2011 to factory settings?

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.

What happens if I factory reset my Mac?

Resetting a Mac to factory settings gets rid of all the data stored on that machine, so we recommend that you make a backup of the data first. This can be done very simply using Apple’s Time Machine software – here’s how to back up using Time Machine.

How do I factory reset my Mac desktop 2021?

1. In the Apple menu in the top left corner of the screen, choose Restart.
2. As the system is restarting, hold both the Command and R keys on the keyboard at the same time until you see the Recovery Mode window.
3. Enter your admin password to confirm the action.

How do you delete something that won’t delete?

1. Method 1. Close apps.
2. Method 2. Close Windows Explorer.
3. Method 3. Reboot Windows.
4. Method 4. Use Safe Mode.
5. Method 5. Use a software deletion app.

How do you delete Undeletable files on a Mac?

1. Open Terminal.
2. Type rm followed by a space.
3. Drag the file into the Terminal window (wait for the green + sign to appear, then release the mouse button) -> Path to file should get added in the Terminal window.
4. Press Enter.

How do you force delete a file?

To do this, start by opening the Start menu (Windows key), typing run , and hitting Enter. In the dialogue that appears, type cmd and hit Enter again. With the command prompt open, enter del /f filename , where filename is the name of the file or files (you can specify multiple files using commas) you want to delete.