Dell Alienware Aurora Ryzen Edition Service Manual page 56

NOTE: Install AMD Vega 20 only into the PCIe slot 1 of your computer. If installed on PCIe slot 4, the power-supply unit cannot
be closed.
NOTE: If you are using any other graphics card other than AMD Vega 20, it can be installed into the appropriate PCIe slot i.e.
X4, X8 or X16 on your computer.
Steps
1. Place the card into the X16 slot and press down firmly until the graphics card snaps into place.
2. Connect the power cables to the graphics card.
3. Slide the tab on the graphics-card bracket into the slot on the chassis and rotate it into place.
4. Rotate the power-supply unit cage towards the chassis.
5. Connect the power cables to the graphics card.
6. Slide the power-supply unit cage release latches towards the locked position.
Next steps
1. Install the left-side cover.
2. Follow the procedure in
56
After working inside your computer.