Table
Beep Definition | Possible Cause | Recommended Action | |
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2 short beeps and 1 long beep | Graphics card initialization | 1. | Reseat the graphics card. |
followed by long pause | failed. | 2. | Replace the graphics card. |
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| 3. | Replace the system board. |
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3 short beeps and 1 long beep | CPU configuration error or | 1. | Reseat the processor. |
followed by long pause | invalid CPU detected before | 2. | Replace the processor. |
| graphics card initialized. | ||
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| 3. | Replace the system board. |
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One short beep followed by short | No legacy floppy drive or | 1. | Reseat floppy or optical drive. |
pause | optical drive found. | 2. | Replace floppy or optical drive. |
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Two short beeps followed by long | No floppy diskette or CD | Insert diskette or CD. | |
pause | found. |
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OR |
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One short beep followed by long |
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pause |
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Three short beeps followed by long | Flashing not ready (missing | Flash the BIOS with the proper BIOS flash utility | |
pause | utility or BIOS image file, etc.) | available from HP. | |
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Four short beeps followed by long | Flashing operation has failed | Flash the BIOS with the proper BIOS flash utility | |
pause | (checksum error, corrupted | available from HP. | |
| image, etc.) |
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Five short beeps followed by long | BIOS Recovery was | No action required. | |
pause | successful. |
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The duration of each beep or pause is defined below.
Beep/Pause Type | Action |
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Short Beep | Beeps for 1 second. |
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Short Pause | Pauses for 1 second. |
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Long Beep | Beeps for 3 seconds. |
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Long Pause | Pauses for 3 seconds. |
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Interpreting POST Diagnostic Audible Codes 183