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28 Quick Reference Guide
3 power button Press this button to turn on the computer.
NOTICE: To avoid losing data, do not turn off the
computer by pressing the power button. Instead,
perform an operating system shutdown. See "Turning
Off Your Computer" in the User’s Guide for more
information.
NOTICE: If your operating system has ACPI enabled,
when you press the power button the computer will
perform an operating system shutdown.
4 Dell badge This badge can be rotated to match the orientation of your
computer. To rotate, place fingers around the outside of
the badge, press firmly, and turn the badge. You can also
rotate the badge using the slot provided near the bottom of
the badge.
5 power light The power light illuminates and blinks or remains solid to
indicate different operating states:
• No light — The computer is turned off.
• Steady green — The computer is in a normal operating
state.
• Blinking green — The computer is in a power-saving
mode.
• Blinking or solid amber — See "Power Problems" in the
User’s Guide
.
To exit from a power-saving mode, 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 modes and exiting from a power-
saving mode, see
"Power Management for Windows XP and
Vista" in the
User’s Guide
.
See "Diagnostic Lights" on page 66 for a description of
light codes that can help you troubleshoot problems with
your computer.
6 diagnostic lights Use the lights to help you troubleshoot a computer
problem based on the diagnostic code. For more
information, see "Diagnostic Lights" on page 66.
7 hard drive
activity light
This light flickers when the hard drive is being accessed.