7/22/2019 HP Compaq Beep Codes

http://slidepdf.com/reader/full/hp-compaq-beep-codes 1/1

HP Compaq dc7700 Business Desktop PC -Diagnostic LED and Beep CodesInformationThe following table describes the dc7700 diagnostic LED and beep codes.

Details

Diagnosis  Code 

Power on Steady green

Processor thermal protectionactivated

Blinks red twice 

Processor is not installed Blinks red three times

Failure (power supply is overloaded) Blinks red four times

Memory error Blinks red andbeeps five times

Pre-video graphics error Blinks red andbeeps six times

PCA (system board) failure, ROMdetected failure before video

Blinks red andbeeps seven times

Invalid ROM based on bad checksum Blinks red and

beeps eight timesSystem not fetching code Blinks red and

beeps nine times

Bad option card Blinks red andbeeps ten times

System does not power on No blinks or beeps