- Ensure you have admin access. At times people have purchased used Macs with a single standard account on them for use, with no password for the admin user.
- Create a new admin user account.
- Delete all old accounts.
- Run general maintenance.
- Optionally reinstall OS X.
Subsequently, how do I change ownership of an iMac? While it is easy to change the full name associated with the account, there is no way to change an account’s user name. The only way to completely change the administrative account information is to create a new administrator account of your own and then delete the account the previous owner set up for his own use.
Best answer for this question, how do I start my used iMac? Press the power button and then hold down Command+R, Option+Command+R or Shift+Option+Command+R to start up.
Furthermore, how do I reset my second hand iMac? 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.
Likewise, what can I do with a used iMac?
- When is your Mac “too old”?
- Recycle your old Mac with the Apple Trade In program.
- Clean your Mac and get it up to speed.
- Turn your Mac into a network-attached storage system.
- Create an emergency Wi-Fi hotspot.
- Install Linux on your Mac.
- Back up your Mac.
- Deauthorize and sign out of your accounts.
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.
How do I remove previous owners from my imac?
- 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.
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 factory reset my iMac 2021?
- In the Apple menu in the top left corner of the screen, choose Restart.
- 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.
- Enter your admin password to confirm the action.
How do I reset my iMac without the 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 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 reset my iMac without a 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.
Can I use a Mac mini with my old iMac?
How do I destroy my iMac hard drive?
Just disconnect hard drive and unbolt. Not much of any tools required, and easy to do. Then you can just recycle the rest of the unit if you don’t want, and destroy hard drive by opening it and removing the disk platens (that look like silver CDs. Just lightly sand and scratch them up, and no one will ever read them.
Is a 2009 iMac still good?
Apple considers 2009 iMacs as “Obsolete” and so should you. Many newer applications won’t even load or run on an 11 year old computer. This would include modern web browsers and that would make your computer and personal data at risk.
How can I get admin access to a Mac without knowing the current password?
- 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