User Manual

67
Troubleshoong
This secon describes some common problems that you may experience when
using the monitor.
Problem or Issue Possible Soluons
No power • Make sure you have turned on the monitor by
pressing the Power buon.
• 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 connecng the
monitor to the computer is properly and securely
connected.
• Adjust the brightness and contrast sengs.
• 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
connecon.
• 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 sengs via the OSD
Menu.
• Reset the monitor to factory sengs.
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 connecng the
monitor to the computer is properly and securely
connected.
Screen image is
blurred
• Adjust the resoluon to the correct Aspect Rao.
• Reset the monitor to factory sengs.