Picture Bounces, Flickers Or 
Wave Pattern Appears In The 
Picture 
Move electrical devices that may cause electrical interference as far away 
from the monitor as possible.   
Use the maximum refresh rate your monitor is capable of at the resolution 
you are using.   
Monitor Is Stuck In Active 
Off-Mode" 
The Computer Power Switch should be in the ON position.   
The Computer Video Card should be snugly fitted in its slot.   
Make sure the monitor's video cable is properly connected to the computer.   
Inspect the monitor's video cable and make sure no pin is bent.   
Make sure your computer is operational by hitting the CAPS LOCK key on 
the keyboard while observing the CAPS LOCK LED. The LED should either 
turn ON or OFF after hitting the CAPS LOCK key.   
Missing one of the primary 
colors (RED, GREEN, or 
BLUE) 
Inspect the monitor's video cable and make sure that no pin is damaged.   
Make sure the monitor's video cable is properly connected to the computer.   
Screen image is not centered 
or sized properly 
Adjust H-Position and V-Position or press hot-key (AUTO).   
Picture has color defects 
(white does not look white) 
Adjust RGB color or select desired color temperature.   
Horizontal or vertical 
disturbances on the screen 
Use Windows7/8/10 shut-down mode to adjust CLOCK and PHASE.   
Press to auto-adjust.   
 
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