When your computer starts normally, it gives a 1 beep that signifies that a successful boot happened. But when something is wrong, usually the beep will be gone or it will generate beeps. To help you know that the problem in your computer thought beeps, here is the list of it. Hope this will be of all to many.
info from: computerhope.com
| Beep Code | Descriptions | Document |
| 1 short | DRAM refresh failure | CH000996 |
| 2 short | Parity circuit failure | CH000607 |
| 3 short | Base 64K RAM failure | CH000996 |
| 4 short | System timer failure | CH000607 |
| 5 short | Process failure | CH000607 |
| 6 short | Keyboard controller Gate A20 error | CH000383 |
| 7 short | Virtual mode exception error | CH000607 |
| 8 short | Display memory Read/Write test failure | CH000607 |
| 9 short | ROM BIOS checksum failure | CH000607 |
| 10 short | CMOS shutdon Read/Write error | CH000239 |
| 11 short | Cache Memory error | CH000607 |
| 1 long, 3 short | Conventional/Extended memory failure | CH000996 |
| 1 long, 8 short | Display/Retrace test failed | CH000607 |
