Can I get on a domestic flight with a new computer, without taking it out of it's packaging?

I want to buy a new computer in Portland and bring it back to San Francisco, but don't want to unpack it at airport security. Do I have to? Ideas? Thanks.|||Whether you bring it in the box or in your carry-on suitcase or a laptop bag, you'll have to take it out and place your laptop in a separate plastic tray at the security checkpoint for x-ray. It's up to you whether you want to remove it from the box or your bag, but you won't be able to leave it in the box at the checkpoint. The only reason I can think of to keep the box is if you need to return it for any reason. Otherwise, I would ditch the box.|||You have to unless you put it in your checked bag. It's your choice if you want to do that, it's more likely to get damaged or stolen. If you do take it on the plane with you, you wouldn't have to power it up or anything, just remove enough so they can see everything in the box.