G eneral IBM BIOS Beep codes that can occur are given below. Note: Due to the wide variety of models shipping with this BIOS, the beep codes may vary. Beep Code Description 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 or Keyboard card error. One Beep, Blank or Incorrect Display Video Display Circuitry.