I have b250 with this cards and works fine
RX 5700 × 4·
RTX 3060 Ti × 1·
GTX 1660s × 3·
RX 580 × 2
When I try to add new msi 1660s it give red dot
Put it on b550 working fine
What I tryed and didn’t work
Swapped msi with old 1660s that’s working fine without change riser or pcie cable same problem
Changed msi bios with new bios same problem
