The rear chassis subassembly snaps into place with an audible “click.”
Note - If the rear chassis subassembly does not click into place, remove the subassembly and ensure that the flexible LED assembly is seated correctly.
Check the lower edge of the subassembly to ensure that the subassembly is seated all the way inside the server chassis.
Tighten the screws in the following order:
All five fans—see Install a Fan Module.
All express modules or filler panels—see Install an Express Module. Verify that you are installing the express modules back in their original slots using the notes that you took when removing the cards from the slots earlier.
Rear I/O module—see Install the Rear I/O Module.