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Images or text on your screen appear fuzzy or blurred.
m Adjust the horizontal or vertical convergence of the screen image. For
Mac OS–based computers, click the Geometry button in the Monitors &
Sound control panel and select Convergence to change settings. For
Windows-based computers, select the Convergence menu; then, click
Ver tical. Press – to move the red signal down and the blue signal up. Press
+ to move the red signal up and the blue signal down. Then, click
Horizontal. Press – to move the red signal to the right and the blue signal
to the left. Press + to move the red signal to the left and the blue signal to
the right.
The colors on your screen appear too blue, too yellow, or too red.
m Adjust the color settings, recalibrate the monitor, set a new white point, or
reset the monitor to the default factory color settings. For Mac OS–based
computers, click the Color button in the Monitors & Sound control panel
to open color controls. For Windows-based computers, see “Adjusting
Color Settings and Other Features” in Chapter 4 for more information.
The screen appears greenish, the screen image is blank or unreadable, or there is
“snow” on the screen.
m Make sure the monitor cable is connected firmly to the correct port on the
back of the computer.
There are wavy lines on the screen, creating an optical effect or moiré pattern.
m You may see a moiré pattern while in some resolutions, depending on the
desktop pattern displayed on the screen (the black-and-white checkerboard
pattern frequently causes moiré). For Mac OS–based computers, click the
Monitor button in the Monitors & Sound control panel and change to
another resolution. For Windows-based computers, see the manuals that
came with your computer. To change the desktop pattern, see the manuals
that came with your computer or, for Mac OS–based computers, also see
Macintosh (or Mac OS) Guide for more information.
Your application program doesn’t recognize changes you make in resolution settings.
m Some application programs do not properly support resolution changes you
make to your monitor. You may have to close and restart your program for
it to recognize the resolution changes.
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Tips and Troubleshooting