Intel SR9000MK4U Product Guide - Page 176

Location Cooling Fault LED Power Fault LED Video Keyboard Mouse Table 30. Troubleshooting Guide Symptom System powers on, but then turns off quickly. Cooling Fault LED (orange) is on. After the power-on, cooling fault LED (orange) is on or blinks. After system powers on, Power Fault LED (orange) is on or blinks System turns on, but screen is blank. The state of screen is unusual. Keyboard does not work. Mouse does not work normally. Solution Check that the cooling fan module is installed properly. Check that no foreign matter is put in cooling fan module. Check that the intake/exhaust air is flowing. Check that the cooling fan module is installed properly. Check that no foreign matter is put in cooling fan module. Check that intake/exhaust air flows. Check that the power input cable is properly connected. Check that the power modules are installed properly. Check that the power modules are configured. Check that the display is plugged in. Check that the display is turned on. Check that the display cable is properly connected. Replace the display. Check that the display cable is properly 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. Check that the keyboard USB cable is properly connected. Disconnect and reconnect the USB cable and retry. Replace the keyboard. Check that the mouse USB cable is properly connected. Disconnect and reconnect the USB cable and retry. Replace the mouse. 154 Intel® Server System SR9000MK4U Product Guide