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The power LED is ON , 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
LOCK key.
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.
Screen image is not centered or
sized properly.
*Adjust H-Position and V-Position or
press hot-key (AUTO).
Picture has color defects
(white does not look white)
*Adjust RGB color or select a pre-set
color temperature from OSD.
Horizontal or vertical
disturbances on the screen
*Use win 95/98 shut-down mode Adjust
CLOCK and FOCUS or perform hot-
key (AUTO-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 .