Intel SR1680MV Service Guide - Page 134

• Make sure the memory DIMMs have been populated according to the system requirements. • Remove the memory DIMMs and re-seat them. • Make sure the processor(s) comply with the system requirements. • Make sure the processor(s) have been populated according to the system requirements. • Remove the processor(s) and re-seat them. • Make sure the chassis standoffs are installed only below mounting holes. Misplaced standoffs can contact the pins on the bottom of the server board and cause a short. No Characters Appear on Screen Check the following: • Is the keyboard functioning? Test it by turning the Num Lock function on and off to make sure the Num Lock light is functioning. • Is the video monitor plugged in and turned on? If you are using a switch box, is it switched to the correct system? • Are the brightness and contrast controls on the video monitor properly adjusted? • Is the video monitor signal cable properly installed? • Does this video monitor work correctly if plugged into a different system? • Remove all add-in cards and see if the video returns. If successful, add the cards back in one at a time with a reboot between each addition. • Make sure the memory DIMMs comply with the system requirements. • Make sure the memory DIMMs have been populated according to the system requirements. • Remove the memory DIMMs and re-seat them. • Make sure the processor(s) comply with the system requirements. • Make sure the processor(s) have been populated according to the system requirements. Characters Are Distorted or Incorrect Check the following: • Are the brightness and contrast controls properly adjusted on the video monitor? See the manufacturer's documentation. • Are the video monitor's signal and power cables properly installed? • Does this video monitor work correctly if plugged into a different system? 114 Intel® Server System SR1680MV Service Guide