How to clean install imac 2011?

1. Select Disk Utility from the main menu and click on the Continue button.
2. After DU loads select your startup volume (usually Macintosh HD) from the. left side list.
3. Set the format type to Mac OS Extended (Journaled.) Optionally, click on.
4. Quit DU and return to the main menu.

Amazingly, how do I reinstall my iMac 2011?

1. Install the latest version of macOS compatible with your computer: Press and hold Option-Command-R.
2. Reinstall your computer’s original version of macOS (including available updates): Press and hold Shift-Option-Command-R.

Likewise, how do I factory reset my Mac desktop 2011? You don’t need a DVD with a new Mac because you can download the software via the Internet, and you have an hidden partition on your hard drive, that you can start your computer from by holding down the command + R keys, once the computer restarts you need to click on disk utility and erase your hard drive, then exit …

You asked, how do I factory reset my iMac 2011 without the disk?

Best answer for this question, how do I do a clean install of an old Mac?

1. Step 1: Format the external drive.
2. Step 2a: Get the macOS install file.
3. Step 2b: Get the install file for an older version of macOS.
4. Step 3: Create a bootable USB disk.
5. Step 4: Wipe your Mac.

2 Answers. 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. … Reinatalling the os alone does not erase data.

How do you clear everything off a Mac?

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.

How do I restore my old iMac to factory settings?

1. Turn your Mac computer off.
2. Press the power button to turn it on, then immediately press and hold Command (⌘) + R.
3. After a few moments, the macOS Utilities window should appear — this is known as Recovery Mode.
4. Select “Disk Utility” and click “Continue.”

How do I reset my second hand iMac?

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 restore my mid 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.

Should I wipe macOS base?

Answer: A: Answer: A: There is no need to erase The Base System. A new installation will over write it.

Is my Mac too old to update?

Apple said that would run happily on a late 2009 or later MacBook or iMac, or a 2010 or later MacBook Air, MacBook Pro, Mac mini or Mac Pro. … This means that if your Mac is older than 2012 it won’t officially be able to run Catalina or Mojave.

How do you make sure your Mac is backed up?

Make sure your Mac Pro is on the same Wi-Fi network as your external storage device, or connect the storage device to your Mac Pro. Open System Preferences, click Time Machine, then select Back Up Automatically. Select the drive you want to use for backup, and you’re all set.

How long does it take to wipe a Mac?

I’d estimate anywhere from 1 to 5 hours would be the norm but it’s possible for it to take up to 12 hours. Make sure you erase everything securely before selling it so the buyer can’t recover your saved passwords. Several seconds if done properly: What to do before selling or giving away your Mac.

What is recovery OS on Mac?

macOS Recovery is the built-in recovery system of your Mac. … On an Intel-based Mac you can use macOS Recovery to repair your internal disk, reinstall macOS, restore your files from a Time Machine backup, set security options, and more.