r9 280x crossfire problem

PatrykNY

Honorable
Feb 2, 2014
4
0
10,510
Hi

i just build new system (
PSU: OCZ ZX GOLD 1250w
MOB: Asus Gryphon Z87
CPU: i 7 4770k
RAM: G.Skill x series 16GB 1866Mhz
SSD: kingstone z300
GPU: 2 x r9 280x sapphire dual-x)
with two r9 280x cards, and i have big problem, each one separately works perfect but in CF mode don't. When i run 3dmark after 30s comp restart, when i try to play in bf4 full screen i see only red screen and comp restart i dont now what to do?