4025 LX  (250-5125)                Troubleshooting      Faxback Doc. # 1637

  Symptom                  Solution                                    


  1 long beep and 2        * The VGA adapter is not properly seated in the
  short beeps when  you      expansion slot is dirty. Seat the VGA adapter,
  turn on the  system.       or clean the connectors with a clean pencil
                             eraser.

  No display               * The monitor and/or power cable is not properly
                             plugged in.
                           * The monitor is not turned on.
                           * The brightness and/or contrast  control on the
                             monitor is not  turned up far enough.
                           * Computer is turned on
                           * All jumpers and switches are set correctly.

  F1 SETUP error when you  * The Setup utility was not run.
  start up  the system.
  Distorted images or a    * The software is not configured or compatible
  blank screen when you      with the VGA graphics  adapter's current video
  run your software.         configuration. Run VGA.EXE.

  No keyboard action       * Keyboard cord is plugged in solidly.
                           * Computer power switch is pressed to the on
                             position.

  Setup problems           * System cords are plugged in solidly.
                           * Expansion adapters are properly seated.
                           * All jumpers and switches are set correctly.
                           * Hardware information entered with the setup
                             program is correct.
                           * CMOS RAM battery is properly connected.

  Options not working      * Expansion adapter is properly seated.
                           * System cords are plugged in solidly.
                           * All jumpers and switches are set correctly.
                           * Setup program is executed after installation.
                           * Hardware information entered with Setup is
                             correct. 
                           * CPU clock speed is set correctly.