User`s guide

16
• Your computer may be in a low power state.
Move the system’s mouse and press several
keys on the keyboard to wake the system.
The monitor’s picture
is missing one of the
primary colors (red,
green, or blue).
• Inspect the monitor’s video cable and make
sure that none of the pins are bent.
The screen image is
not centered or sized
properly.
• Adjust pixel frequency (Clock) and Focus, or
press the Auto Config button.
The picture has color
defects (white does
not look white).
• Adjust the RGB color or select a color
temperature.
The picture has poor
brightness or
contrast.
• The lifetime of the back-light is limited. After
10,000 hours of use, the luminance of the
light may be reduced to half of its original
value. Please send the monitor to an
authorized service agent for service.
There are horizontal
or vertical
disturbances on the
screen.
• Use a pattern with a repetitive dot pattern to
manually adjust the Clock and Focus, or
press the Auto Config button.