BIOS beep codes
COMPAQ BIOS beep codes1 short - No error (System is booting properly)
1 long, 1 short - BIOS ROM checksum error (The contents of the BIOS ROM to not match the expected contents. If possible, reload the BIOS from the PAQ)
2 short - General error (Unknown)
1 long, 2 short - Video error (Check the video adapter and ensure it's seated properly. If possible, replace the video adapter)
7 beeps (1 long, 1s, 1l, 1 short, pause, 1 long, 1 short, 1 short) - AGP video (The AGP video card is faulty. Reseat the card or replace it outright. This beep pertains to Compaq Deskpro systems)
1 long neverending beep -Memory error (Bad RAM. Replace and test)
1 short, 2 long - Bad RAM (Reseat RAM then retest; replace RAM if failure continues)
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