Dell Precision 690: Light Pattern Problem Description Suggested Resolution
Light Pattern Problem Description Suggested Resolution: 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
Light Pattern Problem Description Suggested Resolution
No memory modules are detected. 1
Reseat the memory modules to ensure
that your computer is successfully
communicating with the memory.
2
Restart the computer.
3
If the problem still exists, remove all
the memory modules and install one
memory module in memory module
connector DIMM_1.
4
Restart the computer.
A message appears stating that
because your memory is not paired,
the system will operate with reduced
performance and reduced error-
correction capability
5
Press <F1> to boot to the operating
system.
6
Run the Dell Diagnostics. See your
User’s Guide
for more information.
7
If the memory module passes, shut
down the computer, remove the
memory module, and then repeat the
process with the remaining memory
modules until a memory error occurs
during start-up or diagnostic testing.
If the first memory module tested is
defective, repeat the process with the
remaining modules to ensure that the
remaining modules are not defective.
8
When the defective memory module
is identified, contact Dell for a
replacement
.
Quick Reference Guide 39
