User's Manual

24 About Your Computer
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•Power light — illuminates in two colors and blinks or remains solid to
indicate different states.
• Diskette-drive access light — illuminates when the drive is reading
data from, or writing data to, a diskette. Wait until this light turns off
before you remove a diskette from the drive.
• Hard-drive access light — illuminates when a hard drive is reading data
from, or writing data to, the drive.
• Diagnostic lights — a series of lights that can help you diagnose a
problem with your computer.
Connecting Devices
When you connect external devices to your computer's back panel, follow
these guidelines:
• Check the documentation that accompanied the device for specific
installation and configuration instructions.
For example, you must connect most devices to a particular I/O port or
connector to operate properly. Also, external devices like a printer
usually require you to load device drivers before they will work.
Computer Status Power Button Function
Off Press and release to turn the computer on.
On Press and hold for more than 6 seconds to immediately turn
the computer off.
NOTE: Using this method to turn off the computer may
result in loss of data. Use this method only if the computer
will not shut down normally.
On (Windows NT) Press and release to attempt an orderly shutdown.
NOTE: This works only if the Dell System Utilities are
loaded on the computer. Without the utilities, the computer
immediately turns off rather than performing an orderly
shut down.
Sleep state Press and release to bring the computer out of the sleep
state. For more information, see “Power Management.”
Off Press and release to turn the computer on.