| No memory modules are detected. | • If you have one memory module installed, reinstall it and restart the computer. See "Memory" |
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| for instructions on how to remove and install memory modules. |
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| • If you have two or more memory modules installed, remove the modules, reinstall one module, |
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| and then restart the computer. If the computer starts normally, reinstall an additional module. |
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| Continue until you have identified a faulty module or reinstalled all modules without error. |
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| • If available, install properly working memory of the same type into your computer. |
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| • If the problem persists, contact Dell. |
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| Memory modules are detected, but | • Ensure that no special memory module/memory connector placement requirements exist. |
| a memory configuration or | • Verify that the memory modules that you are installing are compatible with your computer (see |
| compatibility error exists. | "Memory"). |
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| • If the problem persists, contact Dell. |
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| Other failure has occurred. | • Ensure that the cables are properly connected to the system board from the hard drive, CD |
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| drive, and DVD drive. |
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| • Check the computer message that appears on your monitor screen. |
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| • If the problem persists, contact Dell. |
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| The computer is in a normal | None. |
| operating condition after POST. |
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|
Beep Codes
Your computer might emit a series of beeps during
If your computer beeps during
1.Write down the beep codes.
2.Run the Dell Diagnostics to identify a more serious cause.
3.Contact Dell for technical assistance.
Code | Cause |
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Microprocessor register failure | |
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|
NVRAM read/write failure | |
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|
ROM BIOS checksum failure | |
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|
Programmable interval timer failure | |
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DMA initialization failure | |
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DMA page register read/write failure | |
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|
Video Memory Test failure | |
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Memory not being properly identified or used | |
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|
Slave DMA register failure | |
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Master DMA register failure | |
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Master interrupt mask register failure | |
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Slave interrupt mask register failure | |
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Interrupt vector loading failure | |
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Keyboard Controller Test failure | |
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NVRAM power loss | |
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Invalid NVRAM configuration | |
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Video Memory Test failure | |
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|
Screen initialization failure | |
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Screen retrace failure | |
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|
Search for video ROM failure | |
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|
No timer tick | |
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Shutdown failure | |
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Gate A20 failure | |
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Unexpected interrupt in protected mode | |
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Memory failure above address 0FFFFh | |
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Serial or parallel port test failure | |
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