Dell Precision Workstation 450 User Manual page 29

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drive door
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hard-drive light
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power button
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power light
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front-panel door
Open the drive door to access the floppy and CD/DVD drives.
The hard-drive light is on when the computer reads data from or writes data to the
hard drive. The light might also be on when a device such as your CD player is
operating.
Press this button to turn on the computer.
NOTICE: To avoid losing data, do not use the power button to turn off the
computer. Instead, perform a Microsoft® Windows® shutdown.
The power light illuminates and blinks or remains solid to indicate the following
different states:
No light — The computer is in the off state.
Steady green — The computer is in a normal operating state.
Blinking green — The computer is in a power-saving state.
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
"Power Button."
See "Diagnostic Lights" for a description of light codes that can help you
troubleshoot problems with your computer.
Open the door to use the front-panel connectors.
About Yo ur Computer—Dell Precision 650
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