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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
Light Pattern | Cause | Action |
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| Possible BIOS failure, and the computer is in | Run the BIOS Recovery Utility, and restart the |
| the recovery mode. | computer to retest. |
A B C D |
| If the problem is still not resolved, perform the |
| procedure in "Reset Corrupted BIOS Settings." | |
|
| |
|
|
|
| Possible microprocessor failure. | Perform the procedure in "Microprocessor |
|
| Problems." |
A B C D |
|
|
| Possible memory failure. | Perform the procedure in "System Memory |
|
| Problems." |
A B C D |
|
|
| Possible expansion card failure or conflict. | Perform the procedure in |
|
| Problems" and see "Hardware Conflicts." |
A B C D |
|
|
| Possible video card failure. | Reseat the video card, and restart the computer |
|
| to retest. For instructions on removing and |
A B C D |
| installing an expansion card, see "Removing an |
| Expansion Card." | |
|
| If the problem is not resolved, perform the |
|
| procedure in |
|
| If the problem is still not resolved, contact Dell |
|
| for technical assistance. |
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|
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| Possible diskette drive or hard drive failure. | Perform the procedures in "Diskette Drive |
|
| Problems" and "Hard Drive Problems." |