TECHNICAL SUPPORT (FAQ)
if the Power Switch is in the ON
position
*Power Cord should be connected
*Check if the PC system is Plug & Play
compatible
*Check if the Video Card is Plug & Play
compatible
*Check if the D-15 plug pin of Video
*Adjust the Contrast and Brightness
Picture bounces or a wave
pattern is present in the picture
*Move electrical devices that may cause
The power LED is ON (orange)
but there’s no video or no
picture.
*Computer Power Switch should be in
the ON position.
*Computer Video Card should be snugly
seated in its slot.
*Make sure monitor’s video cable is
properly connected to the computer.
*Inspect monitor’s video cable and make
sure none of the pins are bent.
*Make sure computer is operational by
hitting the CAPS LOCK key on the
keyboard while observing the CAPS
LOCK LED. The LED should either
turn ON or OFF after hitting the CAPS
Missing one of the primary
colors (RED, GREEN, or
*Inspect the monitor’s video cable and
make sure that none of the pins are
Screen image is not centered or
*Adjust pixel frequency (CLOCK) and
Picture has color defects
(white does not look white
*Adjust RGB color or select color
disturbances on the screen
CLOCK and FOCUS or perform hot- key
CLOCK (pixel frequency) controls the number of pixels scanned by one
horizontal sweep. If the frequency is not correct, the screen shows vertical
stripes and the picture has not correct width.
FOCUS adjusts the phase of the pixel clock signal. With a wrong phase
adjustment the picture has horizontal disturbances in light picture.
For FOCUS and CLOCK adjustment use “dot-pattern” or win 95/98 shut-
down mode pattern.
