Dell PowerEdge R760 Installation And Service Manual page 246

4. If removed, install the expansion cards into the expansion card
NOTE: Install Riser 2 before installing Riser 1 and Riser 3. Install Riser 4 after installing Riser 3.
CAUTION: Do not install GPUs, network cards, or other PCIe devices on your system that are not validated
and tested by Dell. Damage caused by unauthorized and invalidated hardware installation will null and void the
system warranty.
Steps
1. If installed, remove the riser blanks and if required loosen the captive screws.
NOTE: Store the riser blanks for future use. Filler brackets must be installed in empty expansion card slots to maintain
Federal Communications Commission (FCC) certification of the system. The brackets also keep dust and dirt out of the
system and aid in proper cooling and airflow inside the system.
Figure 180. Removing the Riser 2 blank
Figure 181. Removing the Riser 1 blank
246 Installing and removing system components
risers.