Dell Dimension 4600 Owner's Manual - Page 39

Advanced Troubleshooting - bios

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Advanced Troubleshooting Diagnostic Lights To help you troubleshoot a problem, your computer is equipped with four lights on the back panel labeled "A," "B," "C," and "D" (see page 39). These lights can be yellow or green. When the computer starts normally, the lights flash. After the computer starts, the lights remain green. If the computer malfunctions, the color and sequence of the lights identify the problem. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. Light Pattern A B C D Problem Description The computer is in a normal off condition or a possible pre-BIOS failure has occurred. Suggested Resolution Verify that the computer is plugged into a working electrical outlet and that you have pressed the power button. = yellow = green = off Advanced Troubleshooting 39

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Advanced Troubleshooting
39
Advanced Troubleshooting
Diagnostic Lights
To help you troubleshoot a problem, your computer is equipped with four lights on the back panel
labeled "A," "B," "C," and "D" (see page 39). These lights can be yellow or green. When the
computer starts normally, the lights flash. After the computer starts, the lights remain green. If the
computer malfunctions, the color and sequence of the lights identify the problem.
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions
located in the
Product Information Guide
.
Light Pattern
Problem Description
Suggested Resolution
The computer is in a normal off
condition or a possible pre-BIOS
failure has occurred.
Verify that the computer is plugged
into a working electrical outlet and
that you have pressed the power
button.
A B C D
= yellow
= green
= off