HP ProLiant DL560 Gen11 - Power down the server

2. Press the bezel release latch (callout 1), and then pivot the bezel open (callout 2).
3. Release the right side of the bezel from the front panel (callout 3).
Power down the serverPower down the server
Before powering down the server for any upgrade or maintenance procedures, perform a backup of critical server data and programs.
IMPORTANT:IMPORTANT:
When the server is in standby mode, auxiliary power is still being provided to the system.
HPE ProLiant DL560 Gen11 Server User Guide 44