Problem | Suggestion (s) | 
  | 
  | 
Picture not present or severely distorted.
Verify that your video display adapter settings are formatted for the correct resolution and vertical refresh rates.
Duplicated images  | A problem with your graphics adapter or  | 
  | touchmonitor. Contact your service representative.  | 
Touch doesn’t work.  | Check to make sure the touchscreen cable is  | 
  | securely attached at both ends.  | 
  | 
  | 
Monitor Warning Messages
Message | Suggestion | 
  | 
  | 
Error message: OUT OF RANGE  | The graphics adapter is set for a refresh rate or a  | 
  | line frequency that is too high. Select another  | 
  | display mode with lower frequencies as directed  | 
  | by your video card vendor.  | 
Self diagnostics message: NO SIGNAL  | This message indicates that the signal is missing or  | 
  | faulty. Check that the signal cable connector is  | 
  | properly connected and that the connection pins  | 
  | are not bent or damaged. If the connector is loose,  | 
  | tighten the connector screws. Check that the PC is  | 
  | powered on.  | 
  | 
  |