Dell OptiPlex 740 DCSM Quick Reference Manual page 15

1 optical drive
(optional)
2 floppy drive
bay (optional)
3 USB 2.0
connectors (2)
4 LAN indicator
light
5 diagnostic
lights
power button
6
Insert an optical drive (if supported) into this bay.
Can contain a floppy drive or a optional media card reader.
Use the front USB connectors for devices that you connect
occasionally, such as joysticks or cameras, or for bootable USB
see
devices ( "System Setup" in your online User's Guide for
more information on booting to a USB device).
It is recommended that you use the back USB connectors for
devices that typically remain connected, such as printers and
keyboards.
This light indicates that a local area network (LAN)
connection is established.
Use the lights to help you troubleshoot a computer problem
based on the diagnostic code. For more information, see
"Diagnostic Lights" on page 55.
Press this button to turn on the computer.
NOTICE:
To avoid losing data, do not turn off the computer
by pressing the power button. Instead, perform an
operating system shutdown. See "Turning Off Your
Computer" in your online User's Guide for more
information.
NOTICE:
If your operating system has ACPI enabled,
when you press the power button the computer will
perform an operating system shutdown.
Quick Reference Guide
15