PCI Express® Gen2Gen3 Signal Integrity, Switching and Bridging

Making sure Graphics Card is running at pcie (Gen3 pcie slot configuration gen1 gen2 gen3 From the System Utilities screen, select System Configuration > BIOSPlatform Configuration > Network Options > Network Boot Options > pciex16 slot Try changing the bios settings for the slot you are using from what ever it is to GEN1

pcie training error slot 1 PCIe x16 slots for powerful graphics processing It's important to note that while these are the most common PCIe slot configurations, motherboard