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TECHNICAL SUPPORT (FAQ)
Problem & Question
Possible Solution
Power LED is not on.
• Check if the Power Switch is in the ON position.
• Power Cord should be connected.
No Plug & Play
• 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 Cable is bent.
Picture is fuzzy.
• Adjust the Contrast and Brightness Controls.
Picture bounces or a
wave pattern is present
in the picture.
• Move electrical devices that may cause electrical
interference.
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 pixel frequency (CLOCK) and PHASE or press
hot-key (AUTO).
Picture has color
defects (white does not
look white)
• Adjust RGB color or select color temperature.
Horizontal or vertical
disturbances on the
screen.
Use Win95/98/2000/ME/XP/WIN7/WIN8 shut-down
mode Adjust CLOCK and PHASE 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. PHASE adjusts the phase of the pixel clock signal.
With a wrong phase adjustment the picture has horizontal disturbances in light
picture. For PHASE and CLOCK adjustment use ―dot-pattern‖ or
Win95/98/2000/ME/XP/WIN7/WIN8 shut-down mode pattern.
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