Dell Dimension 4550 Dell Dimension 4550 Owner's Manual - Page 77

On computers with an optional floppy drive.

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Page 77 highlights

1 CD or DVD volume control dial Move the dial to adjust the volume of your audio CD or DVD disc. 2 CD or DVD drive activity light The drive activity light is on when the computer reads data from the CD or DVD drive. 3 CD or DVD eject button Press this button to eject your CD from the CD or DVD drive. 4 floppy-drive eject button* Press this button to eject a floppy disk from the floppy drive. 5 floppy-drive light button* The floppy-drive light is on when the computer reads data from or writes data to the floppy drive. Wait until this light turns off before you remove the floppy disk from the drive. 6 hard drive light 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 devices such as your CD player are operating. 7 power button Press this button to turn on the computer. 8 service tag 9 headphone connector 10 USB 2.0 connectors (2) 11 front-panel door NOTICE: To avoid losing data, do not use the power button to turn off the computer. Instead, perform a Windows shutdown. The tag is used to identify your computer when you access the Dell Support website or call technical support. Attach headphones.Use the headphone connector to attach headphones and most kinds of speakers. You can then hear all of the sounds your computer emits, such as system beeps and CDs. Use the front USB connectors for devices that you connect occasionally, such as joysticks or cameras. It is recommended that you use the back USB connectors for devices that typically remain connected, such as printers and keyboards. Open the door to use the front-panel connectors. *On computers with an optional floppy drive. Adding Pa rts 77

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Adding Parts
77
1
CD or DVD volume
control dial
Move the dial to adjust the volume of your audio CD or DVD disc.
2
CD or DVD drive
activity light
The drive activity light is on when the computer reads data from the CD or DVD
drive.
3
CD or DVD eject button
Press this button to eject your CD from the CD or DVD drive.
4
floppy-drive eject
button*
Press this button to eject a floppy disk from the floppy drive.
5
floppy-drive light
button*
The floppy-drive light is on when the computer reads data from or writes data to
the floppy drive. Wait until this light turns off before you remove the floppy disk
from the drive.
6
hard drive light
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 devices such as your CD player are
operating.
7
power button
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 Windows shutdown.
8
service tag
The tag is used to identify your computer when you access the Dell Support
website or call technical support.
9
headphone connector
Attach headphones.Use the headphone connector to attach headphones and most
kinds of speakers. You can then hear all of the sounds your computer emits, such
as system beeps and CDs.
10
USB 2.0 connectors (2)
Use the front USB connectors for devices that you connect occasionally, such as
joysticks or cameras.
It is recommended that you use the back USB connectors for devices that typically
remain connected, such as printers and keyboards.
11
front-panel door
Open the door to use the front-panel connectors.
*On computers with an optional floppy drive.