![]() ![]() Option 2: Erase Macintosh HD - Data, uninstall apps & empty Trash ![]() This way doesn't delete all user data, but the remaining data would require someone very knowledgeable to dig it out. And also remember to disable the login items in Users & Groups. Then, if you shared users, delete the shared users too. At the same time, select the option to remove all user files and settings of the previous admin account. Fill in the other required information in the window and click Create User.Īfter the new admin account is created, use it to delete the old one in User & Groups. Choose "Administrator" in the New Account box.ĥ. Click the lock at the lower left and type your admin password.Ĥ. Open Apple menu > System Preferences > Users & Groups (The name may vary by OS X version).Ģ. This way is suitable for any macOS and easy to operate.ġ. Option 1: Create a new account and delete the old one If your Mac is not running macOS 12, there are some other ways to help you skip the OS reinstallation process. Other ways to reset a Mac without reinstalling macOS Next, follow the onscreen instructions to reset your Mac, including selecting a language, country or region, Wi-Fi, etc. Click the arrow icon on your Mac with the word "Hello" showing up on the screen. Choose a Wi-Fi to activate your Mac after your Mac restarts twice and finally boots into Recovery Assistant.ħ. Read the warnings and select Erase All Content & Settings.Ħ. Type your admin account password and click OK and Continue.ĥ. Select System Preferences from the Apple menu bar.ģ. You can upgrade your Mac to macOS 12 and try this feature to reset your Mac without reinstalling macOS.Ģ. Because storage is always encrypted on Mac systems with Apple silicon or the T2 chip, the system is instantly and securely "erased" by destroying the encryption keys. System Preferences now offers an option to erase all user data and user-installed apps from the system, while maintaining the operating system currently installed. Here is the explanation of the Erase All Content and Settings feature from Apple: ![]() This new feature of macOS 12 Monterey offers a shortcut for resetting your Mac without reinstalling macOS, bringing great convenience and improving work efficiency. How to use the Erase All Content and Settings feature to reset a Mac It concludes with 3 easy techniques that can help you reset your Mac without reinstalling macOS, including the new feature on macOS 12 - Erase All Content and Settings. If you want to completely wipe a MacBook, follow this post. Hence, seeking a way to roll your Mac back to factory defaults without reinstalling OS is impending. However, the OS reinstallation can be time-consuming if the Internet speed is slow and the size of the OS installer is too large. Hope it works out for you.MacOS reinstallation is always required in the conventional way to reset a Mac. I'm seeing far less kernel panics, which is promising. Shows you the equally nifty mddiagnose for spotlight and tmdiagnose for time machine,ĮDIT: This actually did work quite well for me, the usb key even booted my lappy, and I only forgot to save Xcode, which is going on the key right now. I'll use it instead of watching the 14 gigs. perhaps my tinkering with snow leopard was the problem. I shall attempt this last part right now, all I want is the oblivion of the zeroes. You should be back in what looks like the same place, except it should be from your USB key, which can install lion onto the wiped hard drive. Try not to think about how you swore this time you'd wait until. Thats OK, use the Recovery Partition ( cmd R on boot ) and set the USB key as your startup disk. You're going to restore the InstallESD image onto the USB Key.Ĭheck with diskutil, the gui in Lion is sexy, but underneath is a sea of malloc(3)-y kernel panics. Really, you want to get a copy of Lion on a USB key.Īpplications > Install Lion > show package contents > find and mount the InstallESD file.īreak out one of your many 16 gig USB keys and erase it. This sucks, since you probably did not save the download. That's nice, you can now install Lion via your hopefully working network, as well as wiping the badness from your drive. Now, if you installed it you can do the brutal cmd-R on boot to get to the recovery partition. Only took me 2x +XCODE to figure that out. The install eats the file you need so don't install it right away. Kernel panics malloc errors everywhere PAH!ĭownload Lion. ![]()
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