How do I wipe my Mac OS X base system?
How to Wipe a Mac Hard Disk Drive (HDD)
- Make sure your Mac is turned off.
- Press the power button.
- Immediately hold down the command and R keys.
- Wait until the Apple logo appears.
- Select “Disk Utility” from the OS X Utilities list. …
- Select the disk you’d like to erase by clicking on it in the sidebar.
Can I delete macOS base system disk image?
Answer: A: No, and you can’t. It’s part of Apple’s Internet Recovery system and can’t be erased from your end.
What does Mac OS X base system mean?
OS X Base System is the recovery partition (used to install OS X without a CD). To use it just boot into Recovery Mode by pressing Command+R when starting the system. You’re going to want to use disk utility and format Macintosh HD. And then after you format you can re-open the install tools.
How do I wipe my Mac and reinstall?
If you’re reinstalling on a Mac notebook computer, plug in the power adapter.
- Start up your computer in macOS Recovery: …
- 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.
Can I erase Macintosh HD data?
Use Disk Utility to erase your Mac
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.
Why can I not erase macOS base system?
You need to restart your computer from an an external device—preferably a device that has the Lion Installer on it-if you want to reformat the drive. Otherwise, assuming you have a valid recovery partition, you can erase the Mac partition itself and reinstall Lion without an external device.
What happens if you restore Macintosh HD?
You can restore a volume from another volume. When you restore from one volume to another volume, an exact copy of the original is created. WARNING: When you restore one volume to another, all the files on the destination volume are erased.
How do I unlock the OSX base system?
hold down command + r key.