HP Pro 6300 manual Verify monitor is attached and turned

Table 9-1Numeric Codes and Text Messages (continued)

Control panel message	Description	Recommended action
219-ECC Memory Module Detected ECC	Recently added memory module(s) support	1.	If additional memory was recently
Modules not supported on this Platform	ECC memory error correction.		added, remove it to see if the problem
			remains.
		2.	Check product documentation for
			memory support information.
301-Keyboard Error	Keyboard failure.	1.	Reconnect keyboard with computer
			turned off.
		2.	Check connector for bent or missing
			pins.
		3.	Ensure that none of the keys are
			depressed.
		4.	Replace keyboard.
303-Keyboard Controller Error	I/O board keyboard controller.	1.	Reconnect keyboard with computer
			turned off.
		2.	Replace the system board.
304-Keyboard or System Unit Error	Keyboard failure.	1.	Reconnect the keyboard with computer
			turned off.
		2.	Ensure that none of the keys are
			depressed.
		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 195.)
		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 connected or may have malfunctioned.

1.Reseat chassis, rear chassis, or front chassis fan.

2.Reseat fan cable.

3.Replace chassis, rear chassis, or front chassis fan.

POST Numeric Codes and Text Messages 185