Dell OptiPlex 740 Guía De Referencia Rápida página 12

4 LAN indicator light
5 diagnostic lights
6 power button
7 power light
8 hard-drive activity light
9 headphone connector
10 microphone connector
12
Quick Reference Guide
All manuals and user guides at all-guides.com
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 42.
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.
The power light illuminates and blinks or remains solid to indicate different operating
modes:
• No light — The computer is turned off.
• Steady green — The computer is in a normal operating state.
• Blinking green — The computer is in a power-saving mode.
• Blinking or solid amber — See "Power Problems" in your online User's Guide for
instructions.
To exit from a power-saving mode, press the power button or use the keyboard or the
mouse if it is configured as a wake device in the Windows Device Manager. For more
information about sleep modes and exiting from a power-saving mode, see "Power
Management" in your online User's Guide for more information.
See "System Lights" on page 40 for a description of light codes that can help you
troubleshoot problems with your computer.
This light flickers when the hard drive is being accessed.
Use the headphone connector to attach headphones and most kinds of speakers.
Use the microphone connector to attach a microphone.