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Philips 201B4574 User Manual

Page 47

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No Picture

(Power LED is green)

Make sure the Brightness and Contrast controls are set correctly.

Make sure the monitor cable is properly connected to your
computer.

Check to see if the monitor cable has bent pins.

The screen says
"CONTROL MENU IS
LOCKED" when you
press the OK knob

Press the OK knob and hold for around 15 seconds to release
the lock.

Picture is too large or too
small

Adjust the Horizontal Size and/or Vertical Size. Refer to the On
Screen Display chapter for details.

Edges of the picture are
not square

Refer to the Adjust Shape item in On Screen Display chapter for
details.

Color appears blotchy

Remove any nearby magnetic objects.

"Degauss" your monitor. Refer to the Degauss item in On Screen
Display chapter for details.

Face the monitor toward the East for the best picture quality.

Missing one or more
colors

Make sure the monitor cable is properly connected to your
computer.

"Degauss" your monitor. Refer to the Degauss item in On Screen
Display chapter for details.

Check to see if the monitor cable has bent pins.

Check the Color Temperature. Refer to the Color Temperature
item in On Screen Display chapter for details.

Dim Picture

Make sure the Brightness and Contrast controls are set correctly.

"Degauss" your monitor. Refer to the Degauss item in On Screen
Display chapter for details.

Picture has double image

Eliminate the use of extension cables and/or video switch box.

Adjust Moire to zero. Refer to the Adjust Moire item in On Screen
Display chapter for details.

Picture is not sharp

Low down the Contrast and/or Brightness level.

Adjust Moire to zero. Refer to the Adjust Moire item in On Screen
Display chapter for details.

"Degauss" your monitor. Refer to the Degauss item in On Screen
Display chapter for details.

Unstable picture

Increase the refresh rate of video signal at least to 75Hz. Refer to
the Quick Start Guide or contact your computer vender for
details.

Adjust Moire to zero. Refer to the Adjust Moire item in On Screen
Display chapter for details.

For further assistance, refer to the

Consumer Information Centers

list to contact your local Philips

distributor.

Troubleshooting

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