Can I Bring a Brand New Laptop on a Plane?

Many jurisdictions will require that laptops go through security screening separately, and if that's the case where you are traveling, they would make you open the package. You might also be required to turn the laptop on in some places.

Can you take a brand new laptop on a plane?

Yes you can. Just run it through in it's own bin just like you would any other laptop. Unless you are asked to, don't remove it from the box.

Can you take new laptop in checked baggage?

TSA Laptop Rules

It's a myth that you can't pack a laptop in hold bags. Laptops are allowed in checked luggage. Despite lithium batteries being banned from hold luggage, you can put a laptop in a checked bag.