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Beep Codes
Your computer might emit a series of beeps during
If your computer beeps during
1Write down the beep code.
2See "Dell Diagnostics" on page 30 to identify a more serious cause.
3Contact Dell for technical assistance. For information on contacting Dell, see your online User’s Guide.
Code | Cause | Code | Cause |
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Microprocessor register failure | Slave interrupt mask register failure | ||
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NVRAM read/write failure | Interrupt vector loading failure | ||
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ROM BIOS checksum failure | Keyboard Controller test failure | ||
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Programmable interval timer failure | NVRAM power loss | ||
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DMA initialization failure | Invalid NVRAM configuration | ||
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DMA page register read/write | Video Memory test failure | ||
| failure |
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Video Memory test failure | Screen initialization failure | ||
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Memory not being properly | Screen retrace failure | ||
| identified or used |
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Slave DMA register failure | Search for video ROM failure | ||
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Master DMA register failure | No timer tick | ||
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Master interrupt mask register | Shutdown failure | ||
| failure |
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Gate A20 failure | Serial or parallel port test failure | ||
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Unexpected interrupt in protected | Failure to decompress code to | ||
| mode |
| shadowed memory |
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Memory failure above address | |||
| 0FFFFh |
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Cache test failure | |||
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Quick Reference Guide
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