user manual
A 
Troubleshooting 
Solving Common Problems
The following table lists possible problems, the possible cause of 
each problem, and the recommended solutions. 
Problem
 Possible Cause  Solution
Screen is blank. 
Power cord is disconnected.  Connect the power 
cord. 
  Power switch is off.  Turn on power. 
Video cable is improperly 
connected. 
Connect video cable 
properly. 
Screen blanking utility is 
active. 
Depress any key on 
the keyboard or move 
the mouse. 
Image appears blurred, 
indistinct, or too dark. 
Brightness and contrast are too 
low. 
Press the SELECT 
button to access the 
On-Screen Display. 
Select the Brightness 
and/or Contrast 
icons to adjust as 
needed. 
Color is abnormal. 
A magnetic object may be 
nearby. 
Move the object f 
arther away. 
Reference Guide  A-1 










