I turned on my PC and it fails find the graphics card. I have changed the card and the problem still persists. It will only run if the VDU is connected to the on board graphics.
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Run it with the Onboard Graphics Card, boot into BIOS. Choose the right Display Order, PCIe-PCI-Onboard or PCI-PCIe-Onboard. Save and exit. Shutdown system Reconnect the VGA cable to the GPU in your PCI/PCIe Slot. Start up the system. See if this helps.