Intel manual Intel Server System SR9000MK4U Product Guide

Table 30. Troubleshooting Guide

Location	Symptom	Solution
Cooling Fault LED	System powers on, but then	Check that the cooling fan module is
	turns off quickly. Cooling	installed properly.
	Fault LED (orange) is on.	Check that no foreign matter is put in
		cooling fan module.
		Check that the intake/exhaust air is
		flowing.
	After the power-on, cooling	Check that the cooling fan module is
	fault LED (orange) is on or	installed properly.
	blinks.	Check that no foreign matter is put in
		cooling fan module.
		Check that intake/exhaust air flows.
Power Fault LED	After system powers on,	Check that the power input cable is
	Power Fault LED (orange) is	properly connected.
	on or blinks	Check that the power modules are
		installed properly.
		Check that the power modules are
		configured.
Video	System turns on, but screen	Check that the display is plugged in.
	is blank.	Check that the display is turned on.
		Check that the display cable is properly
		connected.
		Replace the display.
	The state of screen is	Check that the display cable is properly
	unusual.	connected.
		Check that the brightness and contrast
		on the display are properly set.
		Check that the proper video driver is
		installed.
		Check that the refresh rate setting
		matches the display specification.
		Replace the display.
Keyboard	Keyboard does not work.	Check that the keyboard USB cable is
		properly connected.
		Disconnect and reconnect the USB
		cable and retry.
		Replace the keyboard.
Mouse	Mouse does not work	Check that the mouse USB cable is
	normally.	properly connected.
		Disconnect and reconnect the USB
		cable and retry.
		Replace the mouse.

154 Intel® Server System SR9000MK4U Product Guide