How to format imac late 2015?

1. Restart the Mac in Recovery Mode (hold down Command and the R key during restart).
2. Use Disk Utility to erase the hard drive. Click on Disk Utility > Continue. Select the main volume and click Unmount then Erase).
3. Click Reinstall OS X and Continue. Follow the instructions to reinstall Mac OS X.

In this regard, how do I wipe my iMac to factory settings? 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.

Also know, can you reset an old iMac? Apple’s iMac computer has a built-in recovery mode that lets you reset the Mac to its original factory settings. This is a relatively straightforward and painless process that doesn’t take an advanced degree in computer science to accomplish.

Best answer for this question, how do you clear everything off a Mac?

Similarly, how do I do a factory reset?

1. Tap Apps.
2. Tap Settings.
3. Tap Backup and reset.
4. Tap Factory data reset.
5. Tap Reset Device.
6. Tap Erase Everything.

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.

How do I factory reset my iMac 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.

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 reformat a Mac hard drive?

1. Connect the drive to the Mac.
2. Open Disk Utility.
3. Select the drive you want to format.
4. Click Erase.
5. Give the drive a descriptive name and leave the default settings: OS X Extended format and GUID partition map.
6. Click Erase and OS X will format the drive.

How do I permanently erase my Mac hard drive?

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.

How do you do a hard reboot on a 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.

What is the difference between hard reset and factory reset?

The two terms factory and hard reset are associated with settings. A factory reset relates to the rebooting of the entire system, while hard resets relates to the resetting of any hardware in the system.

What does a factory reset erase?

What is a factory reset? A factory reset erases all of the information on an electronic device and restores the software to its original state (when it was in the factory). On your phone or desktop computer, this means all your apps and files will be removed.

What are the disadvantages of factory reset?

But if we reset our device because we noticed that its snappiness has slowed down, the biggest drawback is the loss of data, so it is essential to backup all your data, contacts, photos, videos, files, music, before resetting.

How do I restore my 2009 iMac to factory settings?

1. Shutdown iMac.
2. Unplug power cord from back of iMac.
3. Press and hold power button for 20 seconds.
4. Restore power cord; power on iMac.
5. Immediately on hearing Startup Chime, press and hold Command-Option-P-R keys (⌘⌥ P R)

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.

How do I reset my 2010 iMac to factory settings?

1. Insert the Mac OS X Install disc, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu.
3. Click the Erase tab.