Step 1 : Power down the node

Step 2 : Label and disconnect all cables attached to the embedded module

Step 3 : Push the orange tab to release the lever of the embedded module

Step 4 : Remote the 4-port card from the old embedded module and install it into the new embedded module

Step 5 : Align the embedded module with the empty slot and carefully push it into the slot

https://dl.dell.com/topicspdf/pwrstr-isg_en-us.pdf