Re: Claymore's ZCash AMD GPU Miner v12.0 (Windows/Linux)

Re: Claymore's ZCash AMD GPU Miner v12.0 (Windows/Linux) at the beginning of mining Miner v12.0  it is one of the five cards  will not start. At v11.1 is all OK. What's the problem can be? Win 10, 5 card's - 390x sapphire Bitloverr