The attached DBG file is not complete, have you maybe terminated HWiNFO before completing the scan ?
But anyway, I assume the GPU is not shown because it's disabled (switched off) by the system in order to save power. When you run a graphics intensive application, it should automatically wake up, or you might check your preferences.
You might also try to enable the "Wake disabled GPUs (Extended)" option in HWiNFO to see if it's then able to wake it up.