When installed Live Gamer 4K (GC573) on GA_Z97X-Gaming 3 the LED won’t lit properly or can’t use the card at all, what to do?

Based on GA Z97X-Gaming 3 Quick Guide explanation, this is related to PCI-E bandwidth issue, if you installed graphic card (GPU) to PCI-E X16 slot the only option is to install Live Gamer 4K (GC573) to PCI-E X4 slot.