3.Run the SSU to disable the onboard video controller.
4.Reboot the system for changes to take effect.
If there are still no characters on the screen after you reboot the system, contact your service representative 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 for assistance.
Characters are Distorted or Incorrect
Check the following.
Are the brightness and contrast controls properly adjusted on the monitor? Refer to the documentation supplied with your monitor.
TAre the video monitor signal and power cables properly installed?
Is the correct video monitor board installed for your operating system.
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 Fan(s) Does Not Rotate
The system has eight cooling fans. In addition, each power supply has its own cooling fan. If any of the fans are not operating properly, system components may be damaged. Check the fans periodically, as follows.
Note: If a power supply fan fails, call your service representative. There are no serviceable components inside the power supply. If the power supply is opened, the manufacturer's warranty is voided.
Check the following.
Is AC power available at the AC wall outlets?
Are the system power cords properly connected to the system and to the AC wall outlets?
Did you press the power on/off switch on the front panel?
Is the fan failure indicator on the front panel lit? If so, a fan has failed and must be replaced.
Is the power supply failure indicator on the front panel lit? If so, check the power supply failure indicator on the power supply to determine
Twhich supply failed.
Are the power indicators on the power supplies on?
Solving Problems
