Features may vary depending on the model.
Figure : HP Z4 G4 Workstation

note:Refer to the illustration that most closely matches your computer. The computer model in the following image features the premium front input/output module.
Item
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Icon
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Component
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(1)
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Power button and LED
Off: The computer is off or in Hibernation. Hibernation is a power-saving state that uses the least amount of power.
Blinking white: The computer is in the Sleep state, a power-saving state. The computer shuts off power to the display and other unneeded components.
Blinking red and white: The computer is in a fault state. See the diagnostic LED and audible codes.
Solid white: The computer is on.
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(2)
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Drive activity light
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(3)
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Audio-out (headphone)/Audio-in (microphone) combo jack
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(4)
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USB 3.1 SuperSpeed port with HP Sleep and Charge
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(5)
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USB 3.1 SuperSpeed port
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(6)
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USB 3.1 SuperSpeed Plus (Type-C) ports (2)
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(7)
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Memory card reader (select models only)
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note:Refer to the illustration that most closely matches your computer. The computer model in the following image features the standard front input/output module.
Item
|
Icon
|
Component
|
(1)
|
![]() |
Power button and LED
Off: The computer is off or in Hibernation. Hibernation is a power-saving state that uses the least amount of power.
Blinking white: The computer is in the Sleep state, a power-saving state. The computer shuts off power to the display and other unneeded components.
Blinking red and white: The computer is in a fault state. See the diagnostic LED and audible codes.
Solid white: The computer is on.
|
(2)
|
![]() |
Drive activity light
|
(3)
|
![]() |
Audio-out (headphone)/Audio-in (microphone) combo jack
|
(4)
|
![]() |
USB 3.1 SuperSpeed port with HP Sleep and Charge
|
(5)
|
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USB 3.1 SuperSpeed ports (3)
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(6)
|
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Memory card reader (select models only)
|
Item
|
Component
|
|
(1)
|
Side access panel handle
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|
(2)
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Side access panel lock (select products only)
|
Item
|
Icon
|
Component
|
Item
|
Icon
|
Component
|
(1)
|
![]() |
Power button and LED
Off: The computer is off or in Hibernation. Hibernation is a power-saving state that uses the least amount of power.
Blinking white: The computer is in the Sleep state, a power-saving state. The computer shuts off power to the display and other unneeded components.
Blinking red: The computer is in a fault state. See the diagnostic LED and audible codes.
Solid white: The computer is on.
|
(8)
|
Power supply Built-In Self-Test (BIST) light (location varies depending on power supply model)
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(2)
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Audio-in (microphone) jack
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(9)
|
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Power connector
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(3)
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Audio-out (headphone)
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(10)
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Security cable slot
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(4)
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PS/2 mouse port
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(11)
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Security lock loop
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(5)
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PS/2 keyboard port
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(12)
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RJ-45 (network) jack
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(6)
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USB 3.1 SuperSpeed ports (6)
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(13)
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RJ-45 (network) jack (AMT enabled)
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(7)
|
PCIe slots (5, top slot is passive with no connection to the system board)
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(14)
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PCIe card release latches
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