Dell Precision 690: 13 diagnostic lights (4) Use these lights to help you troubleshoot a computer problem based on the
13 diagnostic lights (4) Use these lights to help you troubleshoot a computer problem based on the: Dell Precision 690
Table of contents
- Notes, Notices, and Cautions Abbreviations and Acronyms
- Contents
- Finding Information What Are You Looking For? Find It Here
- What Are You Looking For? Find It Here
- What Are You Looking For? Find It Here
- What Are You Looking For? Find It Here
- Setting Up Your Computer Connect the keyboard and the mouse. Connect the modem or the network cable.
- Connect the monitor.
- For single- and dual-monitor capable cards with a single connector
- For dual-monitor capable cards with one DVI connector and one VGA connector For dual-monitor capable cards with two DVI connectors
- Connect the speakers. Connect the power cables and turn on the computer and monitor.
- Install additional software or devices. About Your Computer
- Front View
- 6 IEEE 1394 connector Use the IEEE 1394 connector for high-speed data devices such as digital video
- 13 diagnostic lights (4) Use these lights to help you troubleshoot a computer problem based on the
- Back View
- Back Panel Connectors 4 USB 2.0 connectors (3) It is recommended that you use the front USB connectors for devices that you
- 13 serial connector Connect a serial device, such as a handheld device, to the serial port. If necessary,
- Inside View
- System Board Components
- 17 hard drive fan (FAN_HDD)
- Cable Colors Device Color Locating Your User’s Guide Removing the Computer Cover
- 1 2 3 4 5
- 6 7 8
- Computer Stand Attaching the Computer Stand 4
- 5 9
- Removing the Computer Stand Caring for Your Computer Solving Problems Troubleshooting Tips
- Resolving Software and Hardware Incompatibilities Using Microsoft Windows XP System Restore Creating a Restore Point Restoring the Computer to an Earlier Operating State
- Undoing the Last System Restore Enabling System Restore Using the Last Known Good Configuration
- Other Options to Help Resolve Additional Device or Software Conflicts Dell Diagnostics When to Use the Dell Diagnostics Starting the Dell Diagnostics From Your Hard Drive
- Starting the Dell Diagnostics From the Drivers and Utilities CD Before you start testing Beep Codes
- Code Cause
- Code Cause Error Messages Diagnostic Lights Diagnostic Light Codes Before POST Diagnostic Lights Power Problem Description Suggested Resolution Light
- Diagnostic Lights Power Problem Description Suggested Resolution Light
- Diagnostic Lights Power Problem Description Suggested Resolution Light
- Light Pattern Problem Description Suggested Resolution
- Light Pattern Problem Description Suggested Resolution
- Light Pattern Problem Description Suggested Resolution
- Light Pattern Problem Description Suggested Resolution
- Frequently Asked Questions How Do I... Solution Where to Find Additional Information
- Index
- 44 Index

7 USB 2.0 connectors (2) Use the front USB connectors for devices that you connect occasionally, such as
flash memory keys, cameras, or bootable USB devices (see your User’s Guide for
more information).
It is recommended that you use the back USB connectors for devices that typically
remain connected, such as printers and keyboards.
8 power button Press to turn on the computer.
NOTICE: To avoid losing data, do not use the power button to turn off the
computer. Instead, perform an operating system shutdown.
NOTE: The power button can also be used to wake the system or to place it into
a power-saving state. See your User’s Guide for more information.
9 power light The power light illuminates and blinks or remains solid to indicate different states:
• No light — The computer is turned off or in a hibernation mode.
• Steady green — The computer is in a normal operating state.
• Blinking green — The computer is in a power-saving state.
• Blinking or solid amber — See "Power Problems" in your
User’s Guide
.
To exit from a power-saving state, 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 states and exiting from a power-saving state,
see your User’s Guide.
See "Diagnostic Lights" on page 35 for a description of light codes that can help
you troubleshoot problems with your computer.
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 headphone connector Use the headphone connector to attach headphones.
12 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.
13 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 35.
Quick Reference Guide 17

