How to erase hard drive on 2009 imac?

I am unable to erase hard drive using the following instructions: Restart iMac Holding down command and R key. Disk Utility (should be on screen) Check continue, choose start up disk,click erase button, choose Mac OS Extended, Click Erase.

You asked, how do I erase my old iMac hard drive?

  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.

Beside above, 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.

People ask also, how do I reset my early 2009 iMac? Insert the disc into the optical drive and restart the computer. After the chime press and hold down the “C” key. Release the key when you see a small spinning gear appear below the dark gray Apple logo. After the installer loads select your language and click on the Continue button.

Best answer for this question, how do I clear everything off my iMac? Since the actual formatting of the drive takes less than a minute with Apple’s Disk Utility, the disk formatting time is negligible. Therefore, the 7-pass erase on the 500 gigabyte drive took 18 hours and 22 minutes (1102 total minutes).

How do I reset my Mac desktop to factory settings?

To reset your Mac, first restart your computer. Then press and hold Command + R until you see the Apple logo. Next, go to Disk Utility > View > View all devices, and choose the top drive. Next, click Erase, fill out the required details, and hit Erase again.

How do I restore my 2010 iMac to factory settings?

  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 reset my 2009 iMac without the password?

First you’ll need to turn off your Mac. Then press the power button and immediately hold down the Control and R keys until you see the Apple logo or spinning globe icon. Release the keys and shortly afterwards you should see the macOS Utilities window appear.

How do I factory reset my 2008 iMac keyboard?

  1. Start you Mac while pressing the Option key (in your Windows keyboard press the Alt key) until the Startup Manager appears:
  2. Select Recovery HD and then click the upward-pointing arrow below it to boot from Recovery HD.
  3. After a brief delay, you’ll see the Mac OS X Utilities screen.

How do I factory reset my iMac 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.
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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 you delete a file that won’t Delete on a Mac?

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 you wipe a computer clean to sell it?

  1. Open Settings.
  2. Tap System and expand the Advanced drop-down.
  3. Tap Reset options.
  4. Tap Erase all data.
  5. Tap Reset Phone, enter your PIN, and select Erase Everything.

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 1TB hard drive?

As estimated, to do a “full format” on a 1TB hard disk in Windows, it will take a long time, like 2- hours, and over a USB 2.0 connection, it may take a day! In contrast, to do a “quick” format is much faster, usually several minutes.

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How do I turn off Secure Erase on my Mac?

In Disk Utility, look for Security Options button under the Erase pane, click it and choose the first radio button from above which says “Don’t Erase Data”, that’s the quick with least security option as it deleted only the entries in the volume’s directory leaving the actual data on the storage media but marked to the …

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