Dell Studio 540 Setup Guide - Page 17

Headphone connector, Power button and light - power supply

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4 Optical drive eject button - Press to eject a disc from the optical drive. 5 IEEE 1394 connector - Connects to high-speed serial multimedia devices such as digital video cameras. 6 Line-in or microphone connector - Connects to a microphone for voice or to an audio cable for audio input. 7 Headphone connector - Connects to headphones. NOTE: To connect to a powered speaker or sound system, use the audio out or S/PDIF connector on the back of your computer. Using Your Studio 540 8 Power button and light - Turns the power on or off when pressed. The light in the center of this button indicates the power state: • Blinking white - the computer is in sleep state. • Solid white - the computer is in power-on state. • Blinking amber - there may be a problem with the system board. • Solid amber - there may be a problem with either the system board or power supply. 9 Hard drive activity light - Turns on when the computer reads or writes data. A blinking blue light indicates hard drive activity. NOTICE: To avoid loss of data, never turn off the computer while the hard drive activity light is blinking. 15

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15
Using Your Studio 540
4
Optical drive eject button —
Press to
eject a disc from the optical drive.
5
IEEE 1394 connector —
Connects
to high‑speed serial multimedia devices
such as digital video cameras.
6
Line-in or microphone connector —
Connects to a microphone for voice or to
an audio cable for audio input.
7
Headphone connector —
Connects
to headphones.
NOTE:
To connect to a powered
speaker or sound system, use the
audio out or S/PDIF connector on the
back of your computer.
8
Power button and light —
Turns the
power on or off when pressed. The light
in the center of this button indicates the
power state:
Blinking white — the computer is in
•
sleep state.
Solid white — the computer is in
•
power‑on state.
Blinking amber — there may be a
•
problem with the system board.
Solid amber — there may be a
•
problem with either the system board
or power supply.
9
Hard drive activity light —
Turns on
when the computer reads or writes data.
A blinking blue light indicates hard drive
activity.
NOTICE:
To avoid loss of data, never
turn off the computer while the hard
drive activity light is blinking.