POST Beeps
Power-On Self Test: A legacy firmware system used to detect and inform the user of problems that prevent the system from booting normally.
An enumeration of all the different POST Beep Codes and what they point to.
Note that different manufacturers might use different beep codes to point to different issues. Please check manufacturer documentation.
| Beep Code | Error |
|---|---|
| 1 Short | Normal |
| Continuous | PSU, motherboard, or memory issue |
| Repeating | PSU, motherboard, or keyboard issue |
| Dell 7 Short | bad CPU |
| 1, 2, or 3 Short | Display adapter issue |
| None | PSU issue |
| 1 Long, 1 Short | Motherboard issue |
#III
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