How to erase everything off 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 will clear user settings from the memory and restore certain security features that may have been altered previously.

Also the question is, how do I clear everything off my imac?

As many you asked, can I erase all data on my Mac? Go to Settings > System > Reset or System > General > Reset on 3rd gen and previous devices. 3. Select “Reset” if you just want to erase your data, and “Reset and Update” if you want to bring your Apple TV’s software up to date after you wipe it.

Frequent question, 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.

Subsequently, how do I wipe my IMAC and start over? 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.

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.

How do you restore Internet on a Mac?

1. Shut down your Mac.
2. Hold down Command-Option/Alt-R and press the Power button.
3. Hold down those keys until you a spinning globe and the message “Starting Internet Recovery.
4. The message will be replaced with a progress bar.
5. Wait for the MacOS Utilities screen to appear.

How do I do a hard reset on a MacBook Pro?

1. To force a restart your MacBook, you need to press and hold down the Command (⌘) button, the Control (Ctrl) key, and the power button at the same time.
2. Hold these keys down until your MacBook’s screen goes blank and the computer restarts itself.

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.

Why can’t I delete things on my Mac?

If you cannot delete an item in Mac OS X, try the following: Check to see if the file (or a file within the folder) is being used by an application. … If the file is locked, unlock it and empty the Trash. Note that you won’t be able to delete a folder if even one file in it is locked.

How do I factory reset my iMac 2011?

Restart your iMac by clicking the Apple menu, then select Restart…. Click the Restart button when the dialog box appears. After the iMac shuts down completely but before it begins to restart, hold down the Command (⌘) and R keys at the same time.

How do I factory reset my iMac without password?

First you’ll need to turn off your iMac. 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 afterward you should see the macOS Utilities window appear.

How do I restore my iMac to factory settings without CD?

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 long does it take to delete an admin account on Mac?

In my case it indicated a one pass random erase would take about 9 hours, and a one pass zero fill erase would take about 1 hour. One step which should be added to this list is to remove the incomplete DMG backup file of the user’s account, created by the interrupted task.

How do I delete non removable profiles on Mac?

Here’s how to remove a non-removable MDM profile Boot the Mac into Recovery Mode (hold down command+R during startup). Go to the Utilities menu and open Terminal and type: csrutil disable . This will disable SIP (System Integrity Protection). Reboot into the OS.