ViewSonic TD2455 - Troubleshooting

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

using the monitor.
Problem or Issue 
No power • Make sure you have turned on the monitor by
pressing the Power
• 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
• 
monitor to the computer is properly and securely
connected.
• 
• 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

• 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
• 
Menu.
• 
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.
• 
monitor to the computer is properly and securely
connected.
Screen image is blurred • 
• 
The screen isn’t
centered correctly
• 
OSD Menu.
• 
• 