Dell Dimension 4600C Owner's Manual - Page 43

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 57). 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 in the Product Information Guide. Light Pattern A B C D 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. = yellow = green = off Advanced Troubleshooting 43

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Advanced Troubleshooting
43
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 57). 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 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