Check Control Panel ► Display ► Settings and see if the frequency or the resolution were
changed. If yes, readjust the video card to the recommend resolution.
If the recommended resolution (optimal resolution) is not selected, letters may be blurred and the
screen may be dimmed, truncated or biased. Make sure to select the recommend resolution.
The setting method can differ by computer and O/S (Operation System), and resolution mentioned
above may not be supported by the video card performance. In this case, please ask to the computer
or the video card manufacturer.
Display image is incorrect
The screen color is mono or
The screen blinks.
The screen is flickering.
Did you select the recommended
y Check if the signal cable is properly connected and use a screwdriver
to fasten if necessary.
y Make sure the video card is properly inserted in the slot.
y Set the color setting higher than 24 bits (true color) at Control Panel
y Check if the screen is set to interlace mode and if yes, change it to the
y If the selected resolution is HDMI 1080i 60/50 Hz, the screen may
be flickering. Change the resolution to the recommended resolution