Light Pattern | Problem Description | Suggested Resolution | |
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| A possible expansion card failure has occurred. | 1 | Determine whether a conflict exists by |
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| removing a card and restarting the computer |
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| (see page 66). |
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| 2 | If the problem persists, reinstall the card that |
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| you removed, remove a different card, and |
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| then restart the computer. |
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| 3 | Repeat this process for each card. If the |
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| computer starts normally, troubleshoot the |
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| last card removed from the computer for |
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| resource conflicts (see page 49). |
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| 4 | If the problem persists, contact Dell (see |
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| page 102). |
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| Another failure has occurred. | • Ensure that the cables are properly | |
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| connected to the system board from the hard |
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| drive, CD drive, and DVD drive (see |
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| page 61). |
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| • If there is an error message on your screen | |
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| identifying a problem with a device (such as |
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| the floppy drive or hard drive), check the |
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| device to ensure that it is functioning |
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| properly. |
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| • The operating system is attempting to boot | |
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| from a device (such as the floppy drive or |
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| hard drive); check system setup (see page 91) |
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| to make sure the boot sequence is correct for |
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| the devices installed on your computer. |
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| • If the problem persists, contact Dell (see | |
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| page 102). |
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| During normal operation, all of the diagnostic | If the system does not start, plug the | |
| lights turn on and then turn off before the | computer into a working electrical outlet. Also | |
| system starts. | see "Power Problems" on page 36. | |
| NOTE: If all of the diagnostic lights are on and | If there are no power problems and the system | |
| the system does not start, there may be a | ||
| does not start, contact Dell (see page 102). | ||
| problem with the power supply or with the |
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processor.
Advanced Troubleshooting
45
