How do I completely wipe my Mac OS X?
How do I completely wipe my Mac OS X?
Erase and reinstall macOS
- 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.
How do I wipe my Mac hard drive from Snow Leopard?
How to Erase a Disk Volume on Mac OS X Snow Leopard
- 2Click the disk or volume icon that you want to erase from the list on the left side of the screen.
- 3Click the Erase tab.
- 4Click the format that you want to use from the Format pop-up menu.
- 6(Optional) Click Security Options and specify the method you want to use.
How do I reinstall Mac OS X Snow Leopard without CD?
Copy the installation media
- Open Disk Utility, and drag the Snow Leopard . dmg installer into the pane on the left.
- Select the Snow Leopard .dmg you just dragged in from the list on the left, then the ‘Restore’ tab.
- Drag the Snow Leopard .
- Make sure “Erase Destination” is checked.
- Click ‘Restore’.
How do I factory reset my IMAC 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 the memory and restores certain security features that may have been altered.
How do I reinstall OSX without CD?
Reinstall Your Mac’s OS Without an Installation Disc
- Turn your Mac on, while holding the CMD + R keys down.
- Select “Disk Utility” and click on Continue.
- Select the startup disk and go to the Erase Tab.
- Select the Mac OS Extended (Journaled), give a name to your disk and click on Erase.
- Disk Utility > Quit Disk Utility.
How do I factory reset my macbook 2008 without CD?
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!
