HP Dc7700 HP Compaq dx7300 and dc7700 Business PC Technical Reference Guide, 1 - Page 139
Boot Error Codes, Table 8-1
UPC - 882780715318
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BIOS ROM 8.3.4 Boot Error Codes The BIOS provides visual and audible indications of a failed system boot by using the system's power LED and the system board speaker. The error conditions are listed in the following table. Visual (power LED) Blinks red 2 times @ 1 Hz Blinks red 3 times @ 1 Hz Blinks red 4 times @ 1 Hz Blinks red 5 times @ 1 Hz Blinks red 6 times @ 1 Hz Blinks red 7 times @ 1 Hz Blinks red 8 times @ 1 Hz Blinks red 9 times @ 1 Hz Blinks red 10 times @ 1 Hz Table 8-1 Boot Error Codes Audible (speaker) Meaning None Processor thermal shut down. Check air flow, fan operation, and CPU heat sink. None Processor not installed. Install or reseat CPU. None Power failure (power supply is overloaded). Check stroage devices, expansion cards and/or system board (CPU power connector P3). 5 beeps Pre-video memory error. Incompatible or incorrectly seated DIMM. 6 beeps Pre-video graphics error. On system with integrated graphics, check/replace system board. On system with graphics card, check/replace graphics card. 7 beeps PCA failure. Check/replace system board. 8 beeps Invalid ROM (checksum error). Reflash ROM using CD or replace system board. 9 beeps System powers on but fails to boot. Check power supply, CPU, system board. None Bad option card. Technical Reference Guide www.hp.com 8-5