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Beep Codes Referernce - HP Desktop and Workstation PCs

MISC Troubleshooting Guides, ReferencesReferencesUpdated 11/15/2018

If a HP branded desktop or workstation PC makes beeps and does not start, a serious hardware issue is likely occurring.

The following beep codes are a reference to many HP desktop and workstation computers. Use these codes first before referring to the other code lists:

Beeps

Description

1 short beep and 1 long beep

Memory problem

2 short beeps and 1 long beep (repeats 5 times)

Unable to initialize video or video card required but not installed

3 short beeps and 1 long beep

CPU configuration error or CPU type is not compatible

 

The following beep codes are common to many HP and Compaq desktop computers that can occur while restoring, flashing or updating the BIOS :

Beeps

Description

1 short beep

Legacy floppy drive or CD/DVD drive not detected

2 short beeps

Floppy diskette or compact disc not detected

3 short beeps

Unable to start flashing (such as when missing a utility or BIOS image)

4 short beeps

Flashing failed (checksum error, corrupted image, etc.)

5 short beeps

BIOS recovery successful