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HP Compaq Business Desktop dc7600 - LED/Beep Codes

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HP Compaq Business Desktop dc7600 Diagnostic LED and Beep codes

Details

DIAGNOSIS CODES
  • Power on - Steady green
  • Processor thermal protection activated - Blinks red twice
  • Processor is not installed - Blinks red three times
  • Power failure (power supply is overloaded) - Blinks red four times
  • Pre-video memory error - Blinks red and beeps five times
    1. Reseat the DIMMs in the memory slots on the system board, and power on the system.
    2. Replace the DIMMs one at a time to isolate the faulty module.
    3. If the DIMMs are third-party memory, replace them with HP memory.
    4. Replace the system board.*
  • Pre-video graphics error - Blinks red and beeps six times.
    For systems with a graphics card:
    1. Reseat the graphics card and then power on the system.
    2. Replace the graphics card.
    3. Replace the system board.*
    *For systems with integrated (on-board) graphics, replace the system board.
  • PCA (system board ) failure ROM detected - Blinks red and beeps seven times
    1. Replace the system board.
  • Invalid ROM based on bad checksum - Blinks red and beeps eight times
    1. Reflash the ROM using a ROMPaq diskette.
    2. Replace the system board.*
  • System does not power on - No blinks or beeps
  • System not fetching code - Blinks red and beeps nine times
  • Bad option card - Blinks red and beeps ten times

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