Help needed here,

Current setup

2x480, 1x470, 1x570
Asrock Btc Pro
8GB Ram
usb boot



So my rig run perfectly fine with this 4 cards

Problem happen when i plug in the 5th card - Rx560 4G

The miner wont start. (suspect issue with fifth card so disconnect one of the 470 and run with 4 card including the 560, still wont start)
https://s12.postimg.org/490qdflm5/20170620_102535.jpg