Turning The Computer Off And On; Using An Esd Wrist Strap - Dell poweredge r720 Installation, Maintenance And Troubleshooting Manual

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Turning the computer off and on

Use the following procedures to turn the computer off and on.
To turn off the computer:
1. Log in to the system as root.
2. Enter:
/usr/sbin/shutdown -h now
This shuts down the system.
3. Turn off the system monitor.
4. Turn off any external devices, starting with the device that is closest to the system and
working toward the farthest device.
To turn on the computer:
1. Turn on any external devices, starting with the device that is farthest from the system and
working toward the system.
2. Turn on the system monitor.
3. Press and release the power button.
If the system is operating properly, a banner screen is displayed within about 5 minutes
after it is turned on.
4. Log in to the system as root.

Using an ESD wrist strap

Before you work on components inside the computer:
1. Make sure that the computer is plugged in to AC power.
2. Make sure that the power is off.
3. Attach the Electro-Static Discharge (ESD) wrist strap to the chassis frame and to your
wrist.
4. Unplug the AC power cord.
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