It does not open Capor Renault Laguna 2002

Hello chic@s how about? I have a small problem, I have a 2002 Renault Laguna the privilege model that had parked it 3 weeks without moving it, when you start it, it is no battery and what I am going to open the hood this does not open me, I have tried to pull the handle of the shooter with an pliers, ahead cn a screwdriver and nothing, if anyone knows a method that tells me, because I do not charge me how much a workshop