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Troubleshooting
Image vibrates on the screen
● Check that the VGA cable is properly connected to the
graphics board or PC.
Vertical flicker appears
● Press the Auto button.
● Eliminate the vertical bars using the Phase/Clock of More
Settings in OSD Main Controls.
Horizontal flicker appears
● Press the Auto button.
● Eliminate the vertical bars using the Phase/Clock of More
Settings in OSD Main Controls.
The screen is too bright or too dark
● Adjust the contrast and brightness on On-Screen Display.
(The backlight of the LCD monitor has a fixed life span. When
the screen becomes dark or begins to flicker,
please contact
your sales representative).
An after-image appears
● If an image remains on the screen for an extended period of
time, it may be imprinted in the screen and leave an after-
image. This usually disappears after a few hours
An after-image remains after the power
has been turned off.
● This is characteristic of liquid crystal and is not caused by a
malfunction or deterioration of the liquid crystal. The after-
image will disappear after a peroid of time.
Green, red, blue, dark, and white dots
remains
● The remaining dots are normal characteristic of the liquid
crystal used in today’s technology.
file:///D|/Rachel/PHILIPS/19EW9%20Artwork-1A1D/190EW9-1A1D%20EDFU/lcd/manual/ENGLISH/190EW9/safety/saf_troub.htm (2 of 3)2009/8/6 04:48:20