Erase install lion

Helpful 0 Not Helpful 2. Swipe between pages of apps in Launchpad by clicking and holding your mouse while making a swiping gesture left or right, or use a two finger gesture on your trackpad. Helpful 0 Not Helpful 0. Submit a Tip All tip submissions are carefully reviewed before being published.

Helpful 3 Not Helpful 2. You Might Also Like How to. How to. Co-authors: 5. Updated: June 3, Categories: Mac OS X. Thanks to all authors for creating a page that has been read 78, times. Is this article up to date? Cookies make wikiHow better. I chose the external harddrive with the disc assitant installed on it. The utilities screen popped up, I selected the disk utility, went to "Macintosh HD," went to erase, and it still says that the image cannot be unmounted.

Feb 3, PM. Communities Get Support. Sign in Sign in Sign in corporate. Browse Search. Ask a question. User profile for user: willp willp More Less. Reply I have this question too 2 I have this question too Me too 2 Me too.

All replies Drop Down menu. Loading page content. User profile for user: Eustace Mendis Eustace Mendis. Now, select Macintosh HD from the list on the left. Select the Erase tab. Then press Erase These steps are detailed in picture 2. Now that you've wiped your hard drive, you can re-install OS X Close the disk utility window. None of your data will be deleted or moved. The only thing that will be replaced will be the core system files. There is no longer any need to make backups, migrate your data, or mess with partitioning.

Download Lion. The install eats the file you need so don't install it right away. Now, if you installed it you can do the brutal cmd-R on boot to get to the recovery partition. That's nice, you can now install Lion via your hopefully working network, as well as wiping the badness from your drive.

Break out one of your many 16 gig USB keys and erase it. Check with diskutil, the gui in Lion is sexy, but underneath is a sea of malloc 3 -y kernel panics. It needs to be bootable. It' won't boot. 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. I shall attempt this last part right now, all I want is the oblivion of the zeroes Very useful debugging stuff.

Why is it "secret? Super cool tool. I'll use it instead of watching the 14 gigs It is a cool tool though. EDIT: 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. Sign up to join this community.