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This secon describes some common problems that you may experience when 
using the monitor.
Problem or Issue 
No power •  Make sure you have turned on the monitor by 
pressing the Power buon.
•  Make sure the power cord is properly and securely 
connected to the monitor and power outlet.
•  Plug another electrical device into the power outlet 
to verify that the outlet is supplying power.
Power is On, but no 
image appears on 
screen
•  Make sure the video cable connecng the monitor 
to the computer is properly and securely connected.
•  Adjust the brightness and contrast sengs.
•  Make sure the correct input source is selected.
Wrong or abnormal 
colors
•  If any colors (red, green, or blue) are missing, 
check the video cable to make sure it is properly 
and securely connected. Loose or broken pins 
in the cable connector could cause an improper 
connecon.
•  Connect the monitor to another computer.
•  If you have an older graphics card, contact 
ViewSonic® for a non-DDC adapter.
Screen image is too 
light or dark
•  Adjust brightness and contrast sengs via the OSD 
Menu.
•  Reset the monitor to factory sengs.
Screen image cuts in 
and out
•  Make sure the correct input source is selected.
•  Check for bent or broken pins in the video cable 
connector.
•  Make sure the video cable connecng the monitor 
to the computer is properly and securely connected.
Screen image is 
blurred
•  Adjust the resoluon to the correct Aspect Rao.
•  Reset the monitor to factory sengs.
The screen isn’t 
centered correctly
•  Adjust the horizontal and vercal controls via the 
OSD Menu.
•  Check the Aspect Rao.
•  Reset the monitor to factory sengs.