No Characters Appear on Screen
Check the following:
!Is the keyboard working? Check to see if the Num Lock light is functioning.
!Is the video display monitor plugged in and turned on?
!Are the brightness and contrast controls on the video monitor properly adjusted?
!Are the video monitor switch settings correct?
!Is the video monitor signal cable properly installed?
!Is the onboard video controller enabled?
If you are using a video controller board, verify that the video controller board is fully seated in its connector
If there are still no characters on the screen after you reboot the system, contact your service representative or authorized dealer for assistance.
POST emits one long beep and two short beeps pattern to indicate a possible problem with the video display controller. If you do not receive a beep pattern and characters do not display, the video display or video controller may have failed. Contact your service representative or authorized dealer for assistance.
Characters are Distorted or Incorrect
Check the following:
!Are the brightness and contrast controls properly adjusted on the video display? Refer to the documentation supplied with your video display.
!Are the video monitor's signal and power cables properly installed?
!If the problem persists, the video monitor may be faulty or it may be the incorrect type. Contact your service representative for assistance.
System Cooling Fans Do Not Rotate
Check the following:
!Is AC power available at the wall outlet?
!Are the system power cords properly connected to the power supplies and the AC wall outlets?
!Is the cooling fan module power connectors seated properly?
!Is the front panel power on indicator lit?
If the switches and connections are correct and the power outlet is functioning, the power supply has probably failed. Contact your service representative for assistance.
