User guide
Green LED not lit 
Check for proper power and power connections  
Display image is not 
properly sized 
Press the “Select” button to Auto Adjust the display 
Adjust the Vertical and Horizontal size controls via the OSD. 
(Reference OSD Adjustments section) 
Ensure that a supported mode is selected on the display card 
or system being used. Consult the display card or system 
manual for proper video.
Image will not adjust   
Video timing outside of range. 
Use the on-screen menu to adjust the Clock Setting. 
Make sure timing is within VESA standard. 
Slight distortion in text or 
Graphics 
Not working in native resolution.   
Display is present but 
“bars”  Appear or roll 
across screen  
Ground loop problem between computer and display 
Interference from adjacent equipment. 
Vertical shaded bars on 
Screen image  
Horizontal size not properly adjusted. Adjust horizontal size 
Image is not stable. 
Monitor has incorrect or bad sync signals.. 
Check for proper video cable installation. 
Replace suspected faulty cable. 
Check to ensure that video source is within the display’s 
operating range.  










