Bought a new xfx gtr rx 580 8gb. No display after install. The card has power all led lights are on and fans are running. Replaced an old xfx radeon ghd 6870, which still works like new. The motherboard is an msi p67a-g43. It has 8gb of ddr3 ram 1333mhz and an i5 2500k. The board does not have it's own onboard graphics card. I updated all the amd drivers. Still no display. The computer boots up fine and the graphics card is getting power and "sounds" good. Anyone have same problem?