58 Solving Problems
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If the screen is difficult to read
TEST THE VIDEO EXTENSION CABLE (IF USED)—If you are using a
video extension cable and removing the cable solves the problem, the cable is
defective.
TEST ANOTHER MONITOR — If another monitor is available, connect it to
the computer.
CHECK THE DIAGNOSTIC LIGHTS — See page 60.
CHECK THE MONITOR SETTINGS — See the monitor documentation for
instructions on adjusting the contrast and brightness, demagnetizing
(degaussing) the monitor, and running the monitor self-test.
MOVE THE SUBWOOFER AWAY FROM THE MONITOR — If your speaker
system includes a subwoofer, ensure that the subwoofer is at least 60 cm (2 ft)
away from the monitor.
MOVE THE MONITOR AWAY FROM EXTERNAL POWER SOURCES —
Fans, fluorescent lights, halogen lamps, and other electrical devices can cause the
screen image to appear "shaky." Turn off nearby devices to check for interference.
ROTATE THE MONITOR TO FACE A DIFFERENT DIRECTION — Eliminate
sunlight glare, which can cause poor picture quality.
ADJUST THE WINDOWS
®
DISPLAY SETTINGS —
1 Click the Start button and click Control Panel.
2 Click Appearance and Themes.
3 Click Display and click the Settings tab.
4 Try different settings for Screen resolution and Color quality.
G0550bk1.book Page 58 Thursday, July 10, 2003 1:55 PM
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