Dell Precision T5400 (Late 2007) - Manual (Page 25)

About Your Computer 25
Back View (Desktop Orientation)
7 Dell™ rotatable
badge
To rotate the Dell badge for tower-to-desktop conversion:
remove the front panel (see "Removing the Front Panel" on
page 155), turn it over, and rotate the plastic handle behind the
badge.
8 power button,
power light
Press the power button to turn on the computer. The light in
the center of this button indicates power state. See
"Diagnostic Lights" on page 121 for more information.
NOTICE: To avoid losing data, do not use the power
button to turn off the computer. Instead, perform an
operating system shutdown.
9 headphone
connector
Use the headphone connector to attach headphones.
10 microphone
connector
Use the microphone connector to attach a personal computer
microphone for voice or musical input into a sound or
telephony program.
11 network link light The network link light is on when a good connection exists
between a 10-Mbps, 100-Mbps, or 1000-Mbps (or 1-Gbps)
network and the computer.
12 diagnostic lights
(4)
Use these lights to help you troubleshoot a computer problem
based on the diagnostic code. For more information, see
"Diagnostic Lights" on page 121.
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