https://www.dell.com/support/contents/en-ba/videos/videoplayer/how-to-remove-and-install-secondary-backplane-on-poweredge-xe2420/6178452694001
How to Remove and Install Secondary Backplane on PowerEdge XE2420 | Dell Bosnia and Herzegovina
Watch this video to learn how to remove and install the secondary backplane on the Dell EMC PowerEdge XE2420.
how to remove