I have a late 2011 MacBook Air with an SSD and Lion. I used it for a while and then I activated FileVault 2. Now the data is encrypted, but I need to securely erase it so I can sell the computer.
I thought about erasing it with gparted by installing it on a USB.
Any suggestions?
Best Answer
If you have a USB Flash Drive of 8 GB of size, you can make a Lion Installer and use it to securely erase the Drive.
http://macintoshhowto.com/osx/how-to-make-an-os-x-lion-usb-thumb-drive.html
You can also make a USB Bootable Recovery Disk as explained here by Apple:
http://support.apple.com/kb/DL1433
Once you have done either you can hold down the
OPTION
key while restarting your computer and booting from it.When it loads up, it will give you a few different options, you will need to use the Disk Utility part and highlight your HD and choose the Erase Tab. Under the erase settings will be a security option when you can write the disk to 0 once or even multiple times.
There is a guide on it here:
https://discussions.apple.com/docs/DOC-3251
See the part where it says
I hope that helps you out.
Updated
The guy at the bottom of this post:
http://forums.macrumors.com/showthread.php?t=1267158
points out a work around to securely erase the SSD drive in the MacBook Air through encryption.
This is what he says:
Let me know if that's works, this should securely erase the drive since it will then be encrypted.
Also, in the future with Lion be sure to use FileVault 2 so that you don't have to worry about this again.