This video will show you how to restore iOS 7 with iTunes.
I have uploaded this video to show you how to restore iOS 7 with iTunes, this will help with future videos which will show you how to Jailbreak iOS 7.1.1 and 7.1.2. Once these videos are complete I will link them below.
How to Jailbreak iOS 7.1.2 & 7.1.1 on a Mac Untethered
Good luck 🙂