This guide will show the process to install the PCIe to Oculink adapter board on the Minisforum UM780 XTX gaming mini PC.
Remove the top lid, it is held with magnets and will come off with little force.
There are four screws in the corner which hold the LED component in place, remove these screws.
You can now carefully lift the LED component out of the case. There is a short cable as indicated below which you will need to disconnect.
Move the LED component to one side, you shouldn’t need to remove the other cables.
Unscrew the screw indicated below, this screw will keep the PCIe to Oculink adapter secure.
Insert the PCIe to OcuLink adapter into the PCIe slot. It can only go in one way into the slot.
Fit the PCIe screw back to keep the adapter secure
You can now reassemble the mini PC.