26
Chapter 7 Troubleshooting
Problem and
Question
Possible Solution
Power LED is not on
• Check if the Power Switch is in the ON position.
• Power Cord should be connected.
No signal
• Check that the signal-cable is properly connected. If the connector is
loose, tighten the connector’s screws.
• Check the signal-cable’s connection pins for damage.
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 (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 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.
Picture has color
defects (white does
not look white)
• Adjust RGB color or select color temperature.
Poor brightness or
contrast
• When the brightness of the screen lowers after being used for a
certain period and the function of the display is affected, send it to our
authorized service center for repair.
