hello guys i would ask for some help because i have 3 computer mining actuel 2 with 1 R9 380X and one rig with 5 r9 380X all the card was buy the same day. on the first computer i get 19 Mh/s and my computer is perfectly sync to the pool (i get all my eth mined )  .On the 2nd computer with only one card mine at 13mh/s and i cannot show my worker as active on my worker setting . on my rig with 5 card the miner is too showed as not active  and by the way i cannot get my coins . My question is simple why i have this problem with a runme.bat copy paste on all these 3 computer ?? ?
P.S English is not my main language i know i don't writte perfeclty try to be nice and don't blame me for my english .