I had trouble to install the AMD driver for a dual GPU Radeon HD 5970 graphic card in windows pro 64 bit.
It seems that I finally managed to install it but I see the following icon in device manager:
One of the adapter is working fine but the for the other it is said that it does not work (error code 43 I think).
In Photoshop preferences the graphic card is not recognised at all.
How can I check whether it is a hardware failure (one GPU adapter dead?) or only a problem related to the driver?
Thanks for your help in advance,