corsair crystal 680x

Hey, I'm having trouble installing my GPU, below are some pictures of the issue. https://ibb.co/3BzdS2b https://ibb.co/09fCyKH https://ibb.co/dcvBcw2 https://ibb.co/Jtc9Svf I can't screw the thing and if I try moving the GPU to do it. It disconnects from the PCIe slot. I've already verified...