How to format an external drive in OS X
- Connect the drive to the Mac.
- Open Disk Utility.
- Select the drive you want to format.
- Click Erase.
- Give the drive a descriptive name and leave the default settings: OS X Extended format and GUID partition map.
- Click Erase and OS X will format the drive.
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How do I wipe my Mac to factory settings?
How to Factory Reset a Mac or MacBook (macOS Monterey)
- Click the Apple icon in the menu bar (top-left corner).
- Select System Preferences from the drop-down menu.
- Select ‘Erase All Contents and Settings. ‘
- Enter your password, select ‘OK. ‘
- Select the ‘Erase All Content & Settings’ button.
How do I clear my MacBook air?
How to reset a MacBook Air or MacBook Pro
- Hold down the Command and R keys on the keyboard and turn on the Mac.
- Select your language and continue.
- Choose Disk Utility and click Continue.
- Choose your startup disk (named Macintosh HD by default) from the sidebar and click the Erase button.
How do I reset my MacBook pro to factory settings without 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 format my Macbook Pro 2011?
To do so, shut down your Mac, then turn it on and immediately press and hold four keys together: Option, Command, P, and R. You can release the keys after 20 seconds or so. That’s it!
How do you reset your 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 format my Macbook Air 2015?
Perform a Factory Reset
- Click Disk Utility.
- Click Continue.
- Click View > Show All Devices.
- Select your hard drive and click Erase.
- In the Format field, choose the APFS option on macOS High Sierra or later. On macOS Sierra or earlier, choose the Mac OS Extended (Journaled) option.
- Click Erase.
Can a locked Mac be erased?
Tip: A locked Mac cannot be remotely erased, so only lock your Mac if you’re confident you can recover it. The lock command will go through the next time the Mac goes online. The Mac will restart on its own, and the new lock screen will appear.
How do I wipe my late 2011 Macbook Pro?
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 do I format my Macbook Air 2020?
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 factory reset my Mac Big Sur?
How to Factory Reset a Mac
- Restart Your Mac. First, restart your computer.
- Open in Recovery Mode. Once the computer turns off, hold Command + R until the Apple logo appears.
- Erase Your Data.
- Reinstall MacOS.
- Restore From Backup.
- What’s New in macOS Big Sur.
How do I wipe my Mac Big Sur?
Choose Apple menu > Restart, then immediately press and hold Command–R. In the Recovery app window, select Disk Utility, then click Continue. In Disk Utility, select the volume you want to erase in the sidebar, then click Erase in the toolbar.
How do I reset my iMac 2021?
1. Restart your Mac in Recovery Mode
- 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 factory reset my iMac 2011?
Restart your iMac by clicking the Apple menu, then select Restart…. 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.
How do I format my MacBook Pro 2017?
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 will clear user settings from the memory and restore certain security features that may have been altered previously.