How to clear a used 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 clears user settings from memory and restores certain security features that might have been altered.

Correspondingly, how do I wipe clean my old imac?

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.

Frequent question, how do I remove previous owners from my imac?

1. Select System Preferences from the Apple menu, click the Accounts icon, click the Lock icon, and enter your password.
2. Select Logout from the Apple menu.
3. On your new computer, triple-check that all the files for all accounts on the old machine have been transferred.

You asked, how do you wipe out a Mac?

Additionally, what can I do with my old iMac?

1. When is your Mac “too old”?
2. Recycle your old Mac with the Apple Trade In program.
3. Clean your Mac and get it up to speed.
4. Turn your Mac into a network-attached storage system.
5. Create an emergency Wi-Fi hotspot.
6. Install Linux on your Mac.
7. Back up your Mac.
8. Deauthorize and sign out of your accounts.

How do I change ownership of my imac?

The Computer Name is also used by the Finder app. To change the Computer Name, click the “Apple” menu in the upper-left corner of your Mac’s screen and choose “System Preferences.” Select “Sharing” on the System Preferences dialog and change the name in the Computer Name field.

How do I transfer ownership of my imac?

To do so, launch iTunes, pull down the Store menu and choose Deauthorize This Computer. If you change your mind later and decide to maintain ownership of the Mac, you can reauthorize the computer again through the same menu.

How do I force a Mac to delete a user?

On your Mac, choose Apple menu > System Preferences, then click Users & Groups. If the lock at the bottom left is locked , click it to unlock the preference pane. Select the user or group you want to delete, then click the Remove button (looks like a minus sign) below the list of users.

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 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 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 make my old iMac run like new?

1. Clean up system files and documents. A clean Mac is a fast Mac.
2. Detect & Kill Demanding Processes.
3. Speed up startup time: Manage startup programs.
4. Remove unused apps.
5. Run a macOS system update.
6. Upgrade your RAM.
7. Swap your HDD for an SSD.
8. Reduce Visual Effects.

Can you update old iMac?

If you want to run , but your Mac is older than 2013/2014, the new macOS just isn’t for you, as far as Apple is concerned anyway. However, despite this it is possible to run newer macOS versions on older Macs thanks to a patcher.

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 do I factory reset my iMac g4 without CD?

How to Factory Reset an iMac Via the Recovery Partition. Restart the iMac and hold the “Command-R” keys while the computer reboots. Select and connect to a Wi-Fi network from the list if the iMac prompts you to do so. Choose the “Disk Utility” option from the list and click “Continue.”

How do I wipe my Mac without recovery mode?

1. Select ‘Disk Utility. ‘
2. Select the volume that you want to erase.
3. Click ‘Erase. ‘
4. Disk Utility will now wipe your hard drive.