Dell PE R720XD Owner's Manual page 117

3. Hold the touch points and lower the system board into the chassis.
4. Push the system board toward the back of the chassis until the board clicks into place.
5. Replace the following:
a) cable retention bracket
b) PCIe card holder
c) integrated storage controller card
d) internal USB key (if installed)
e) internal dual SD module
f) all expansion-card risers
g) cooling-fan assembly
h) cooling shroud
i) power supply(s)
6. Reconnect all cables to the system board.
NOTE: Ensure that the cables inside the system are routed along the chassis wall and secured using the cable
securing bracket.
7. Close the system.
8. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
9. Import your new or existing iDRAC Enterprise license. For more information, see
support.dell.com/manuals.
iDRAC7 User's Guide , at
117