Dell Dimension 8400 Owner's Manual - Page 49
Advanced Troubleshooting, Diagnostic Lights - bios
View all Dell Dimension 8400 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 49 highlights
Advanced Troubleshooting Diagnostic Lights CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. To help you troubleshoot a problem, your computer has four lights labeled "A," "B," "C," and "D" on the back panel (see page 63). The lights can be yellow or green. When the computer starts normally, the lights flash. After the computer starts, all four lights display solid green. If the computer malfunctions, the color and sequence of the lights identify the problem. Light Pattern ABCD Problem Description Suggested Resolution The computer is in a normal off condition or a Plug the computer into a working electrical possible pre-BIOS failure has occurred. outlet and press the power button. A possible processor failure has occurred. Contact Dell (see page 123). ABCD = yellow = green = off Advanced Troubleshooting 49