Solving Problems 217
If the screen is difficult to read
TEST ANOTHER MONITOR — If another monitor is available, connect it to
the computer.
CHECK THE DIAGNOSTIC LIGHTS — See Diagnostic Lights.
CHECK THE CARD SETTING — Enter system setup and ensure that Primary
Video Controller under the Integrated Devices option is set correctly. For an
AGP card, set Primary Video Controller to AGP. For a PCI card, set Primary
Video Controller to Auto. Exit system setup and restart the computer.
RUN THE Dell Diagnostics — If any tests fail, see "Contacting Dell".
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.
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