Power management keys are three keys on computer keyboards 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.
- The Sleep key is used to put the computer to sleep, when it uses significantly lower power than when it is active, but can be woken quickly.
- The Wake key wakes the system from standby.
The power saving modes and the transition between them is usually implemented using ACPI.
On computers running Windows Vista, the Windows key can also act as a power management key, and turns on the computer when pressed.
Read more about Power Management Keys: Keyboard Layout
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