Philips 201B4574 - Manual (Page 47)

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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