w w w . d e l l . c o m s u p p o r t . d e l l . c o m
D i a g n o s t i c L i g h t | C o d e s D u r i n g P O S T (continued) |
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Light Pattern | Cause | Action |
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| Possible USB failure. | Disconnect all USB devices and cables, and |
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| restart the computer to retest. Then reconnect |
A B C D |
| all USB devices and cables, and restart the |
| computer to retest. | |
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| If the problem is still not resolved, contact Dell |
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| for technical assistance. |
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| Possible system board resource and/or hardware | See "System Board Problems" and "Hardware |
| failure. | Conflicts" in the User’s Guide. |
A B C D |
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| Possible system board resource and/or hardware | See "System Board Problems" and "Hardware |
| failure. | Conflicts" in the User’s Guide. |
A B C D |
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| Possible expansion card failure or conflict. | See "System Board Problems" and "Hardware |
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| Conflicts" in the User’s Guide. |
A B C D |
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| Possible system board resource and/or hardware | See "System Board Problems" and "Hardware |
| failure. | Conflicts" in the User’s Guide. |
A B C D |
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| Normal operating condition after POST. | No action is necessary. |
A B C D
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36
Setup and Quick Reference Guid e
