power key

The power management keys are three keys on a computer keyboard which control the computer's power management status. They are the Power key, the Sleep key, and the Wake key.The Power key is used both to power on and to power off the computer. Powering on the computer brings it to ACPI state G0 Working. Powering off the computer brings it to ACPI state G2 Soft Off.The Sleep key is used to put the computer into ACPI state G1 Sleeping from ACPI state G0 Working.
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