Lenovo ThinkStation P920 Hardware Maintenance Manual page 165

Pivot the tab 1 upward to open the latch 2 inside the multi-function bracket.
Figure 108. Opening the card latch
Grasp the PCIe card retainer by its edges and gently pull it out of the latch. Remove the retainer
completely from the PCIe card latch.
Figure 109. Removing the PCIe card retainer
. 157
Chapter 9 Hardware removal and installation