Re: how to erase everything on MacbookPro before selling it What type of Snow Leopard disc do you have? If your mac originally came with Tiger pre-installed then you will need the Retail Snow Leopard disc. Sql database viewer for mac. Read through this Apple article: Here are another couple of good links to read through: As you probably know, you can go straight from Tiger to Snow Leopard. Leap-frogging over Leopard. So just make sure you have a good back-up of your important files, photos, music, docs etc. If you need anymore help, just return here and I'll keep a watch on this thread.
Cheers, Marty.
If you're using an iMac, Mac Pro, or Mac mini, use a USB or other wired keyboard and mouse to complete the next step. Erase your hard drive and reinstall macOS The best way to restore your Mac to factory settings is to erase your hard drive and reinstall macOS.