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Solving Problems 47
If the screen is difficult to read
SWAP THE POWER CABLES — Swap the computer and monitor power cables to determine if the power cable
is defective.
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 49.
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.
T2310bk2.book Page 47 Thursday, February 5, 2004 10:00 AM