1/2 graphic card fan don't spinn! R9 290 crossfire

[Axzevos]

I don't know whats wrong, but only one R9 290 is working! Whats wrong?

 

[huilun02]

Does the second card have the required PCIe power cables? What PSU are you using anyway?

 

[Axzevos]

Does the second card have the required PCIe power cables? What PSU are you using anyway?

A 1000w. It has worked before, but when I randomly restarted my PC it won't start.

 

[huilun02]

Switch the cards around and see what happens.