Removal and replacement procedures 26
• Power down the server (on page 26).
If you must remove a server from a rack or a non-hot-plug component from a server, power down the
server.
• Remove the tower bezel (on page 27).
• Remove the rack bezel.
• Extend the server from the rack (on page 28).
If you are performing service procedures in an HP, Compaq branded, telco, or third-party rack cabinet,
you can use the locking feature of the rack rails to support the server and gain access to internal
components.
For more information about telco rack solutions, refer to the RackSolutions.com website
(http://www.racksolutions.com/hp).
Power up the server
To power up the server:
1. Connect each power cord to the server.
2. Connect each power cord to the power source.
3. Press the Power On/Standby button.
The server exits standby mode and applies full power to the system. The system power LED changes
from amber to green.
Power down the server
Before powering down the server for any upgrade or maintenance procedures, perform a backup of critical
server data and programs.
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 a virtual power button selection through iLO 4.
This method initiates a controlled remote shutdown of applications and the OS before the server enters
standby mode.
Before proceeding, verify the server is in standby mode by observing that the system power LED is amber.
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