How to clear my imac hard drive?

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.

Frequent question, how do I wipe my imac hard drive clean?

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.

Correspondingly, how do I wipe out my IMAC and start over?

1. Start up your computer in macOS Recovery:
2. In the Recovery app window, select Disk Utility, then click Continue.
3. In Disk Utility, select the volume you want to erase in the sidebar, then click Erase in the toolbar.

Quick Answer, how do I delete all my hard drives on Mac?

1. Back up any important files.
2. In the Disk Utility app on your Mac, select the disk set you want to erase in the sidebar.
3. Click the Erase button .

Beside above, how do I delete a Mac user account?

1. On your Mac, choose Apple menu > System Preferences, then click Users & Groups. Open Users & Groups preferences for me.
2. Select the user or group you want to delete, then click the Remove button (looks like a minus sign) below the list of users.
3. Do one of the following:
4. Click Delete User.

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 iMac to factory settings without CD?

How do I do a factory reset?

1. 1 Tap Settings
2. 2 Tap General Management.
3. 3 Tap Reset.
4. 4 Tap Factory data reset.
5. 5 Tap RESET.
6. 6 Tap DELETE ALL. Please be patient as phone resetting takes some time.
7. 1 Tap Apps > Settings > Backup and reset.
8. 2 Tap Factory data reset > Reset Device > Erase Everything.

How do you restore a Mac?

Open the Apple menu and select Shut Down or hold down the power button and select Shut Down from the pop-up menu. Hold down the power button to turn the Mac on again and hold for several seconds until you see “Loading startup options.” Select Options from the startup screen to enter macOS Recovery.

What happens if you delete Macintosh HD?

You won’t lose your own files, or apps that you might have installed. This reinstall just copies a fresh set of your operating system files. Then, restarts, finishes the install with those downloaded files. The install process might take more than 30 minutes, but you should boot back into your hard drive, no harm done.

How do I delete disk images in Disk Utility?

The disk image itself is basically treated as a file by Finder. So, after ejecting the disk image (assuming you had it mounted), all you need to do is delete the disk image like like you would any other file. For example, right-click on the disk image and select the Move to Trash option and then empty the trash.

Do I need to delete Macintosh HD data?

Sadly, that’s wrong and will fail. To perform a clean re-install in Catalina, once in Recovery Mode, you need to delete your Data volume, that’s the one named Macintosh HD – Data , or something similar if you’re using a custom name, and to erase your System volume.

Why can’t I delete a user on my Mac?

Make sure the user account you want to delete is not the only administrator account. If only one administrator account exists on the computer, you can not delete it, you can either change one of the other accounts to an administrator account or create a new administrator account then delete the old one.

Why can’t I delete admin account on Mac?

Open the Users & Groups pane of System Preferences, unlock it, select that account, and push the – button. If you’re using Fast User Switching, you need to log out of the account you want to delete.

How do I delete user?

1. Open the Activities overview and start typing Users.
2. Click Users to open the panel.
3. Press Unlock in the top right corner and type in your password when prompted.
4. Select the user that you want to delete and press the – button, below the list of accounts on the left, to delete that user account.

How do I factory reset my Mac desktop without Apple keyboard?

Reboot your Mac. Hold down Option/Alt-Command-R or Shift-Option/Alt-Command-R to force your Mac to boot into macOS Recovery Mode over the internet. This should boot the Mac into Recovery Mode.

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.