Philips 109B55-74 User Manual
Page 64
Troubleshooting
No color or intermittent
color
●
If you are using a non-VESA-DDC standard video card,
turn the DDC1 / 2B feature Off.
Color appears blotchy
●
The picture may need degaussing.
●
Remove any nearby magnetic objects.
●
Face the monitor toward the East for the best picture
quality.
Missing one or more
colors
●
Check the Color Temperature.
●
Make sure the monitor cable is properly connected to your
computer.
●
Check to see if the monitor cable has bent pins.
Dim Picture
●
Adjust the Brightness and Contrast controls.
●
Check your video card and it's owner's manual instructions
for it may be a non-VESA-DDC Standard card.
Picture is too large or
too small.
●
Adjust the Horizontal and/or Vertical Size.
●
Adjust the Zoom.
Edges of the picture
are not square.
●
Adjust the geometry.
Picture has a double
image.
●
Eliminate the use of a video extension cable and/or video
switch box.
●
Face the monitor toward the East for the best picture
quality.
Picture is not sharp.
●
Check to make sure Moiré is switched off.
●
Adjust Sync Input.
Unstable Picture
●
Increase your refresh rate.
Problem with On
Screen Display
●
Refer to the instructions and troubleshooting information in
that chapter.
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