Selling my broken Macbook. How to make sure there's no personal information on the hard drive? My Mac won't turn on but I'd like to sell it for spare parts. How can I make sure there's no personal information stored on the hard drive for the buyer to retrieve?
Depending on what model it is, if it has an Optical drive then you can insert the install disc that came with the machine and boot to the disc where you can use Disk utility to erase the drive.