HPE ProLiant DL160 Gen10 - Drive Options; Installing a Hot-Plug SAS or SATA Drive

5. For a DC power supply, do the following:
a. Slide the power supply out of the bay just enough to access the ground cable screw.
b. Remove the ground (earthed) cable from the power supply.
HPE ProLiant DL160 Gen10 Server Maintenance and Service Guide 54