How to erase all data on a Mac, how to factory reset a Mac, and how to reinstall macOS. This works for any Mac Including Macbook, Macbook Air, MacBook Pro, I. The maximum version of Mac OS X, OS X, or macOS supported by each G3 and later Mac follows. For complete specs on a particular system, click the name of the Mac. For all Macs that are compatible with a specifc maximum supported version of Mac OS X - courtesy of EveryMac.com's Ultimate Mac Sort - click the OS of interest. Message To download and restore OS X, your computer's eligibility will be verified with Apple when installing older versions of Mac OS X for me every time meant only one: The certificate which is being used in the OS has expired. This will be correct for every OS later in the future (Sierra, High Sierra, etc).
How to start up in macOS from Windows
- From the notification area on the right side of the Windows taskbar, click to show hidden icons.
- Click the Boot Camp icon .
- From the menu shown, choose Restart in macOS.
If you haven't installed the latest Boot Camp updates, you might get the message 'Could not locate the OS X boot volume.'
Or use Startup Manager as your Mac starts up:
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- Restart your Mac from the Start menu in Windows.
- Press and hold the Option (or Alt) ⌥ key as your Mac begins to restart.
- Select your Mac startup volume (Macintosh HD) in the Startup Manager window, then press Return or click the up arrow:
Resquid Mac Os X
Redsquid Mac Os X
- Restart your Mac from the Start menu in Windows.
- Press and hold the Option (or Alt) ⌥ key as your Mac begins to restart.
- Select your Mac startup volume (Macintosh HD) in the Startup Manager window, then press Return or click the up arrow:
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How to start up in Windows from macOS
- Use Startup Manager to choose your Windows (Boot Camp) volume during startup.
- Or select your Boot Camp volume in Startup Disk preferences, then restart.
Learn more
- If you're having difficulty using VoiceOver or another screen reader to complete these steps, please contact Apple Support.
- Learn how to install Windows 10 on your Mac.
These steps apply only to Mac computers with an Intel processor. The steps to erase a Mac with Apple silicon are different.
Before erasing your Mac
- Make a backup of any files that you want to keep. Erasing your Mac permanently deletes its files.
- If you want to restore your Mac to factory settings, such as to prepare it for a new owner, first learn what to do before you sell, give away, or trade in your Mac. Then erase your Mac as the final step.
Use Disk Utility to erase your Mac
- Start up from macOS Recovery: Turn on your Mac, then immediately press and hold these two keys until you see an Apple logo or other image: Command (⌘) and R.
- If asked, select a user you know the password for, then enter their administrator password.
- From the utilities window, select Disk Utility and click Continue.
- Select Macintosh HD in the sidebar of Disk Utility. Don't see Macintosh HD?
- Click the Erase button in the toolbar, then enter the requested details:
- Name: Macintosh HD
- Format: APFS or Mac OS Extended (Journaled), as recommended by Disk Utility
- Click Erase Volume Group. If you don't see this button, click Erase instead.
- If asked, enter your Apple ID. Forgot your Apple ID?
- After the erase is done, select any other internal volumes in the sidebar, then click the delete volume (–) button in the toolbar to delete that volume.
Disregard any internal volume named Macintosh HD or Macintosh HD - Data, as well as any volumes in the External and Disk Images sections of the sidebar. - Quit Disk Utility to return to the utilities window.
- If you want to start up again from the disk you erased, select Reinstall macOS in the utilities window, then click Continue and follow the onscreen instructions to reinstall macOS.
If you don't see Macintosh HD in Disk Utility
Your built-in startup disk should be the first item listed in the Disk Utility sidebar. How to publish video on imovie. 3d cad programs. Slams city. hitlers escape. mac os. It's named Macintosh HD, unless you changed its name. If you don't see it there, choose Apple menu > Shut Down, then unplug all nonessential devices from your Mac and try again.
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If your disk still doesn't appear in Disk Utility, or Disk Utility reports that the erase process failed, your Mac might need service. If you need help, please contact Apple Support.
Learn more
The moron test hd mac os. Blocs 3 3 0 cr2. For more information about using Disk Utility, see the Disk Utility User Guide. By your side mac os.