Do I Have A Dead Pixel? Dead Pixel Test

Test your monitor against this screen for dead or defective pixels.
For easier inspection, clean your monitor of all dust and smudges.
Select a background color below to test against.
Press F11 on your keyboard to start your inspection.
A dead pixel will look similar to the following image:

Select a color

Press F11

Note: To exit full screen mode press F11 again.