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Power on the server
After the server performs a short self-test (power status LED flashes quickly) when connected to input power,
it enters a standby state (power status LED flashes once per second).
Power button location and power LED are specified in:
•
Chapter 2 "Server components" on page 15
•
"Troubleshooting by system LEDs and diagnostics display" on page 455
The server can be turned on (power LED on) in any of the following ways:
• You can press the power button.
• The server can restart automatically after a power interruption.
• The server can respond to remote power-on requests sent to the Lenovo XClarity Controller.
For information about powering off the server, see
Power off the server
The server remains in a standby state when it is connected to a power source, allowing the Lenovo XClarity
Controller to respond to remote power-on requests. To remove all power from the server (power status LED
off), you must disconnect all power cables.
Power button location and power LED are specified in:
•
Chapter 2 "Server components" on page 15
•
"Troubleshooting by system LEDs and diagnostics display" on page 455
To place the server in a standby state (power status LED flashes once per second):
Note: The Lenovo XClarity Controller can place the server in a standby state as an automatic response to a
critical system failure.
• Start an orderly shutdown using the operating system (if supported by your operating system).
• Press the power button to start an orderly shutdown (if supported by your operating system).
• Press and hold the power button for more than 4 seconds to force a shutdown.
When in a standby state, the server can respond to remote power-on requests sent to the Lenovo XClarity
Controller. For information about powering on the server, see
Server replacement
Follow instructions in this section to remove and install the server.
Remove the server from rack
Follow instructions in this section to remove the server from the rack.
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"Power off the server" on page
"Power on the server" on page
Chapter 5
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Hardware replacement procedures
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