HP Dc7700 HP Compaq dx7300 and dc7700 Business PC Technical Reference Guide, 1 - Page 153
App_A_Error_Messages__amp__Codes_final_review.pdf, A.1 Introduction, A.2 Beep/Power LED Codes
UPC - 882780715318
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A Error Messages and Codes A.1 Introduction This appendix lists the error codes and a brief description of the probable cause of the error. ✎ Errors listed in this appendix are applicable only for systems running HP/Compaq BIOS. Not all errors listed in this appendix may be applicable to a particular system model and/or configuration. A.2 Beep/Power LED Codes ✎ Beep and Power LED indictions listed in Table A-1 apply only to HP-branded models. Beeps None None None 5 beeps 6 beeps 7 beeps 8 beeps 9 beeps None Table A-1. Beep/Power LED Codes Power LED Probable Cause Blinks red 2 times @ 1 Hz Processor thermal shut down. Check air flow, fan operation, and CPU heat sink Blinks red 3 times @ 1 Hz Processor not installed. Install or reseat CPU. Blinks red 4 times @ 1 Hz Power failure (power supply is overloaded). Check storage devices, expansion cards and/or system board (CPU power connector P3). Blinks red 5 times @ 1 Hz Pre-video memory error. Incompatible or incorrectly seated DIMM. Blinks red 6 times @ 1 Hz Pre-video graphics error. On system with integrated graphics, check/replace system board. On system with graphics card, check/replace graphics card. Blinks red 7 times @ 1 Hz PCA failure. Check/replace system board. Blinks red 8 times @ 1 Hz Invalid ROM (checksum error). Reflash ROM using CD or replace system board. Blinks red 9 times @ 1 Hz System powers on but fails to boot. Check power supply, CPU, system board. Blinks red 10 times @ 1 Hz Bad option card. Technical Reference Guide www.hp.com A-1