HP 402 G1 manual Replace the keyboard, Display Adapter Failure Graphics display controller, Image

Table 10-1Numeric Codes and Text Messages (continued)

Control panel message	Description	Recommended action
		3.	Replace the keyboard.
		4.	Replace the system board.
501-Display Adapter Failure	Graphics display controller.	1.	Reseat the graphics card (if applicable).
		2.	Clear CMOS. (See Appendix B, Password
			Security and Resetting CMOS
			on page 103.)
		3.	Verify monitor is attached and turned on.
		4.	Replace the graphics card (if possible).
510-Flash Screen Image Corrupted	Flash Screen image has errors.	Reflash the system ROM with the latest BIOS
		image.
511-CPU, CPUA, or CPUB Fan not Detected	CPU fan is not connected or may have	1.	Reseat CPU fan.
	malfunctioned.	2.	Reseat fan cable.
		3.	Replace CPU fan.

512-Chassis, Rear Chassis, or Front Chassis Fan not Detected

Chassis, rear chassis, or front chassis fan is not 1.	Reseat chassis, rear chassis, or front
connected or may have malfunctioned.	chassis fan.

		2.	Reseat fan cable.
		3.	Replace chassis, rear chassis, or front
			chassis fan.
513-Front Chassis fan not detected	Front chassis fan is not connected or may have	1.	Reseat front chassis fan.
	malfunctioned.	2.	Reseat fan cable.
		3.	Replace front chassis fan.
514-CPU or Chassis Fan not Detected	CPU or chassis fan is not connected or may	1.	Reseat CPU or chassis fan.
	have malfunctioned.	2.	Reseat fan cable.
		3.	Replace CPU or chassis fan.
515-Power Supply fan not detected	Power supply fan is not connected or may have	1.	Reseat power supply fan.
	malfunctioned.	2.	Reseat fan cable.
		3.	Replace power supply fan.
660-Display cache is detected unreliable	Integrated graphics controller display cache is	Replace system board if minimal graphics
	not working properly and will be disabled.	degrading is an issue.
912-Computer Cover Has Been Removed Since	Computer cover was removed since last system	No action required.
Last System Startup	startup.
917-Front Audio Not Connected	Front audio connector has been detached or	Reconnect or replace front audio cable.
	unseated from motherboard.
918-Front USB Not Connected	Front USB harness has been detached or	Reconnect or replace front USB harness.
	unseated from motherboard.
1151-Serial Port A Address Conflict Detected	Both external and internal serial ports are	1.	Clear CMOS. (See Appendix B, Password
	assigned to COM1.		Security and Resetting CMOS
			on page 103.)
		2.	Reconfigure card resources and/or run
			Computer Setup or Windows utilities.

96 Chapter 10 POST Error Messages