HP Z4 G4 Maintenance And Service Manual page 11

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* The power light status is as follows:
● Solid white: The computer is on.
Blinking white: The computer is in the Sleep state, a power-saving state. The computer shuts off
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power to the display and other unneeded components.
Blinking red: The computer is in a fault state. For additional information, see the computer
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Maintenance and Service Guide at http://www.hp.com/support.
Off: The computer is off or in Hibernation. Hibernation is a power-saving state that uses the least
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amount of power.
Component
Power button and light*
Drive light
Audio-out (headphone)/Audio-in (microphone) combo jack
USB SuperSpeed port with HP Sleep and Charge
USB SuperSpeed ports (3)
Memory card reader (select products only)
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