ddj sx2

 need some help, my sx2 wont power up used it at 1 event 2 days later went to another event and it wont power up both decks open on my laptop but on the unit it self no display lights, i have tried updating unit, try to rest, did all i was told to do but same thing can some one help me on here please. would be happy for any advice that would help. thnz much