Power Down The Server; Remove The Access Panel - HPE ProLiant ML10 Gen9 Maintenance And Service Manual

Power down the server

Before powering down the server for any upgrade or maintenance procedures, perform a backup of
critical server data and programs.
WARNING: To reduce the risk of personal injury, electric shock, or damage to the equipment,
remove the power cord to remove power from the server. The front panel Power On/Standby
button does not completely shut off system power. Portions of the power supply and some
internal circuitry remain active until AC power is removed.
IMPORTANT: When the server is in standby mode, auxiliary power is still being provided to
the system.
To power down the server, use one of the following methods:
•
Press and release the Power On/Standby button.
This method initiates a controlled shutdown of applications and the OS before the server enters
standby mode.
•
Press and hold the Power On/Standby button for more than 4 seconds to force the server to enter
standby mode.
This method forces the server to enter standby mode without properly exiting applications and the
OS. If an application stops responding, you can use this method to force a shutdown.
•
Use the Turn power off command in Intel AMT WebUI.
This method may cause user application data loss. The command goes directly to the system
hardware and does not allow the operating system to shut down gracefully.
Before proceeding, verify the server is in standby mode by observing that the system power LED is
amber.

Remove the access panel

WARNING: To reduce the risk of personal injury from hot surfaces, allow the drives and the
internal system components to cool before touching them.
CAUTION: For proper cooling, do not operate the server without the access panel, baffles,
expansion slot covers, or blanks installed. If the server supports hot-plug components,
minimize the amount of time the access panel is open.
CAUTION: To prevent damage to electrical components, take the appropriate anti-static
precautions before beginning any installation, removal, or replacement procedure. Improper
grounding can cause electrostatic discharge.
Power down the server (on page 24).
1.
Remove all power:
2.
Disconnect each power cord from the power source.
a.
Disconnect each power cord from the server.
b.
Remove the access panel:
3.
Loosen the access panel screws.
a.
Slide the access panel back.
b.
Removal and replacement procedures 24