Clean your Mac Air with ease.
Clean your Mac Air with ease.
You should thoroughly erase your Mac Air by using official wipe procedures. Just relying on the website instructions might not be enough—follow recommended steps carefully to ensure a complete clean.
Turn off the Mac fully, then press Command+R while holding the power button to enter recovery mode. Navigate to Utilities -> Disk Utility, locate Macintosh HD, and select Erase TAD. You can perform a secure wipe with several passes if desired. After wiping, consider reinstalling the OS before selling, depending on your preference.
Do you have an OS X installation on a USB stick? If yes, you can start from there and erase the MacBook completely.
It's unlikely to restore data after rebooting from the same drive, especially in recovery mode.
A solution exists through an alternative method: http://osxdaily.com/2013/04/22/secure-er...very-mode/
Performing a 35-pass read on an SSD seems less optimal... I also question how SSDs using different compression methods manage such tasks.
A 35-pass scan seems excessive, but I believe one pass is sufficient to protect your files from recovery.
You can, I just finished selling a used MacBook about two months ago. Edit: I’m not entirely sure if what we did matches your description, but I recall starting in recovery and selecting secure erase (probably the most secure option).