Dell Inspiron n3010 servicetag CR1P6P1 is brand new or refurbished . help me help me ....

I bought a laptop in viet nam. Dell inspiron n1030 servicetag: CR1P6P1. The seller tell me , it's a brand new. But my friend checked and tell me it 's not brand new. I want to change my laptop. But the shop didn't agree, he tells it 's a brand new. :emotion-6: . Can some body help me, how to show it's a brand new or refurbished ? Thank you alot. Email : dtuan1982@yahoo.com . I have check servicetag on webpage of dell.com, but i don't know .... Help me !