Default [Q] tablet wont startup please help :(

hey guys my samsung galaxy tablet 2 7.0 p3110 wont start or charge,i did try charging it but the battery logo just stuck it wont spin or do anything,this is actually the second problem,actually i just sucessfully ropted my tab then in my stupidity i installed chainfire 3d it is stuck on the boot screen but i managed to ge to recovery but now it died,it wont charge or anything how do i fix this i'am just a kid with no money i dont have that knid of money to replace it with a new one i just dont know what to do now,i wold really appreciate if some would help me