Windows 10, Only One GPU Detected

Hi, I have an old mining rig I converted into my regular everyday computer.

I would like to start mining on the two cards I have in it. I’m using just old R9 270x cards.

I installed Windows 10. I’m pretty certain the motherboard is fine because it use to work no problem in Linux.

In my device manager I am only displaying one video card under Display Adapters.

I’m using claymore and it too only detects my one gpu.

When I put my hand over the second card I definitely noted that it was getting power and the fans are on so, I don’t think power or anything in the connection are the issue.

Can anyone shed some light on this issue? Thanks.