Reboot to Recovery Mode 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. The Mac will display the macOS Utilities menu, from which you can reinstall Mac OS.
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How do I restore my old iMac 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 factory reset my iMac 2007?
Run Disk Utility
Run the Disk Utility in the Utilities window by clicking it. Click Macintosh HD, then click Erase to erase the data on your hard drive. Click Quit Disk Utility when the erase success message appears.
How do I reset my Mac to factory settings without a 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 2009 iMac?
Steps to cure:
- Shutdown iMac.
- Unplug power cord from back of iMac.
- Press and hold power button for 20 seconds.
- Restore power cord; power on iMac.
- Immediately on hearing Startup Chime, press and hold Command-Option-P-R keys (⌘⌥ P R)
How do I wipe my Mac without Disk Utility?
Erase your Mac using Erase Assistant. Restart your Mac. Choose Apple menu > Shut Down, press and hold the power button until “Loading startup options” appears, select Options, click Continue, then follow the onscreen instructions.
How do you do a hard reset on an iMac?
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 you wipe a Mac desktop?
How to Wipe a Mac With an M1 Chip
- Turn on your Mac and continue to press and hold the power button until the startup options window comes up.
- When the Utilities window appears, select Disk Utility.
- In the sidebar, choose Macintosh HD.
- Click the “Erase” button, then select a file system format and enter a name for it.
How can I get admin access to a Mac without knowing the current password?
Create a new admin account
- Hold ⌘ + S on startup.
- mount -uw / ( fsck -fy is not needed)
- rm /var/db/.AppleSetupDone.
- reboot.
- Go through the steps of creating a new account.
- After logging in to the new account, go to the Users & Groups preference pane.
- Select the old account, press the Reset Password…
How do I change my Apple ID password without knowing my password?
If you can’t change or reset your password
- Go to iforgot.apple.com.
- Enter your Apple ID.
- Select the option to reset your password, then choose Continue.
- Choose to answer your security questions, get an email, or enter your Recovery Key.* Learn what to do if you don’t receive your verification or reset email.
Does reinstall macOS erase data?
Reinstalling macOS from the recovery menu does not erase your data. However, if there is a corruption issue, your data may be corrupted as well, its really hard to tell.
How do I do a soft reset on my imac?
Try this first:
- Choose Apple menu > Shut Down.
- After your Mac shuts down, press and hold its power button for 10 seconds.
- Release the power button, then wait a few seconds.
- Press the power button again to turn on your Mac.
How do you get to the Startup Manager on a Mac?
How to start the Startup Manager
- Start or restart your Mac and immediately press and hold the option key on your keyboard.
- Release the option key when you see the Startup Manager window.
- Select a startup disk.
- Click the arrow or press return on your keyboard.
How do I force a Mac to boot?
Force your Mac to turn off and back on
- Press and hold the power button on your Mac for at least 10 seconds, then release.
- If you see no change on your Mac, press and release the power button.
What is the Command key on a Mac?
The Command key is the most common modifier key in Mac OS X. Many menu items, such as Quit, Close, and Save, have a keystroke shortcut using the Command key. To use such a shortcut, hold down one of the Command keys and press the letter key for that item.
How do you wipe a computer?
For Windows 10, go to the Start Menu and click on Settings. Then navigate to Update & Security, and find the Recovery menu. Next, select Reset this PC and choose Get Started. Follow the instructions to revert your computer back to when it was first unboxed.
How do I remove previous owners from my iMac?
How to Delete User Accounts from an Old Mac
- Select System Preferences from the Apple menu, click the Accounts icon, click the Lock icon, and enter your password.
- Select Logout from the Apple menu.
- On your new computer, triple-check that all the files for all accounts on the old machine have been transferred.
Is erase all content and settings the same as factory reset?
Answer: A: Reset All Settings and Erase All Content and Settings do different things. Reset all Settings removes things like your Wifi password and settings you’ve set on your iPad for Apps, mail, etc. Erase All Content and Settings restores a device to it’s out of the box state when it was first turned on.
How do I override administrator on Mac?
How to Reset Admin Password on Mac
- Restart your Mac.
- While it is restarting, press and hold the Command + R keys until you see the Apple logo.
- Go to the Apple Menu at the top and click Utilities.
- Then click Terminal.
- Type “resetpassword” in the terminal window.
- Then hit Enter.
- Type your password and a hint.
How can I find my administrator name and password on my Mac?
Select System Preferences. In the System Preferences window, click on the Users & Groups icon. On the left side of window that opens, locate your account name in the list. If the word Admin is immediately below your account name, then you are an administrator on this machine.