Dell Dimension 9200 Owner's Manual - Page 49

Troubleshooting Tools, Diagnostic Lights

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Troubleshooting Tools Diagnostic Lights CAUTION: Before you perform any of the procedures in this section, follow the safety instructions in the Product Information Guide. To help you troubleshoot a problem, your computer has four lights labeled 1, 2, 3, and 4 on the front panel (see "Front View of the Computer" on page 13). When the computer starts normally, the lights flash before turning off. If the computer malfunctions, the sequence of the lights help to identify the problem. Light Pattern Problem Description Suggested Resolution The computer is in a normal "off" condition or a possible pre-BIOS failure has occurred. All four diagnostic lights display solid green and then turn off after the system successfully boots to the operating system. • Plug the computer into a working electrical outlet (see "Power Problems" on page 71). • If the problem persists, contact Dell (see "Contacting Dell" on page 137). A possible processor failure has occurred. Contact Dell (see "Contacting Dell" on page 137). Troubleshooting Tools 49

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Troubleshooting Tools
49
Troubleshooting Tools
Diagnostic Lights
CAUTION:
Before you perform any of the procedures in this section, follow the safety instructions in the
Product Information Guide
.
To help you troubleshoot a problem, your computer has four lights labeled 1, 2, 3, and 4 on the front
panel (see "Front View of the Computer" on page 13). When the computer starts normally, the lights
flash before turning off. If the computer malfunctions, the sequence of the lights help to identify the
problem.
Light Pattern
Problem Description
Suggested Resolution
The computer is in a normal "off"
condition or a possible pre-BIOS failure
has occurred.
All four diagnostic lights display solid
green and then turn off after the system
successfully boots to the operating
system.
•
Plug the computer into a working
electrical outlet (see "Power Problems"
on page 71).
•
If the problem persists, contact Dell
(see "Contacting Dell" on page 137).
A possible processor failure has occurred.
Contact Dell (see "Contacting Dell" on
page 137).