Back view – Dell OptiPlex GX280 User Manual
Page 325
indicator
light
5
diagnostic
lights
Use the lights to help you troubleshoot a computer problem based on the diagnostic code. For more
information, see "
6
power
button
Press to turn on the computer.
NOTICE:
To avoid losing data, do not turn off the computer by pressing the power button for 6
seconds or longer. Instead, perform an operating system shutdown.
NOTICE:
If your operating system has ACPI enabled, when you press the power button the
computer will perform an operating system shutdown.
7
power light The power light illuminates and blinks or remains solid to indicate different states:
No light — The computer is turned off (S4, S5, or mechanical OFF)
Steady green — The computer is in a normal operating state
Blinking green — The computer is in a power-saving state (S1 or S3)
Blinking or solid amber — See "
To exit from a power-saving state, press the power button or use the keyboard or the mouse if it is
configured as a wake device in the Windows Device Manager. For more information about sleep states and
exiting from a power-saving state, see "
."
See "
" for a description of light codes that can help you troubleshoot problems with your
computer.
8
hard drive
activity
light
This light will flicker when the hard drive is being accessed.
9
headphone
connector
Use the headphone connector to attach headphones and most kinds of speakers.
10 microphone
connector
Use the microphone connector to attach a microphone.
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