Dell EMC PowerEdge XE8545 Installation And Service Manual page 76

Figure 74. Removing the expansion card riser (Riser 1)
2. For Riser 3, loosen the captive screw, and then press the blue release tab and holding the edges lift the expansion card riser
from the riser connector on the system board.
Figure 75. Removing the expansion card riser (Riser 3)
3. For Riser 2, press the blue button on the riser, and holding the touch points lift the expansion card riser from the riser
connector on the system board.
76 Installing and removing system components