Philips ENVISION P851, Service Manual

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LCD Color Monitor ENVISION P851
31
Problem & Question Possible Solutions
Power LED Is Not ON
•
Make sure the power button is ON and the Power Cord is properly connected to a
grounded power outlet and to the monitor.
No Plug & Play
•
In order for the Plug & Play feature of the monitor to work, you need a Plug & Play
compatible computer & video card. Check with your computer manufacturer. Also
check the monitor's video cable and make sure none of the pins are bent.
•
Make sure the AOC Monitor Drivers are installed (AOC Monitor Drivers are
available at : http://www.aoc.com )
Picture Is Fuzzy & Has
Ghosting Shadowing
Problem
•
Adjust the Contrast and Brightness Controls.
•
Make sure you are not using an extension cable or switch box. We recommend
plugging the monitor directly to the video card output connector on the back of your
computer.
Picture Bounces, Flickers
Or Wave Pattern Is Present
In The Picture
•
Move electrical devices that may cause electrical interference as far away from
the monitor as possible.
•
Use the maximum refresh rate your monitor is capable of at the resolution your
are using.
Monitor Is Stuck In Active
Off-Mode"
•
The Computer Power Switch should be in the ON position.
•
The Computer Video Card should be snugly seated in its slot.
•
Make sure the monitor's video cable is properly connected to the computer.
•
Inspect the monitor's video cable and make sure none of the pins are bent.
•
Make sure your 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 arebent.
•
Make sure the monitor's video cable is properly connected to the computer.
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 color temperature
Horizontal or vertical
disturbances on the screen
•
Use win 95/98/2000/ME/XP shut-down mode Adjust CLOCK and FOCUS or
perform hot-key (AUTO-key )