This document gives troubleshooting tips for IBM BIOS Beep codes when you hear beep codes and your desktop board does not boot up successfully.
| Beep Code | Descriptions |
|---|
| No Beeps | No Power, Loose Card, or Short. |
| 1 Short Beep | Normal POST, computer is ok. |
| 2 Short Beep | POST error, review screen for error code. |
| Continuous Beep | No Power, Loose Card, or Short. |
| Repeating Short Beep | No Power, Loose Card, or Short. |
| One Long and one Short Beep | Motherboard issue. |
| One Long and Two short Beeps | Video (Mono/CGA Display Circuitry) issue. |
| One Long and Three Short Beeps. | Video (EGA) Display Circuitry. |
| Three Long Beeps | Keyboard / Keyboard card error. |
| One Beep, Blank or Incorrect Display | Video Display Circuitry. |
