CHAPTER 7: Troubleshooting
110
• Reinstall the device driver.
• Connect a monitor that you know works to your
computer.
The color is not uniform
• Make sure that the monitor warms up for at least
30 minutes before making a final judgment about color
uniformity.
• Make sure that:
• Non-shielded speakers are not placed too close to
the monitor.
• The monitor is not positioned too close to another
monitor, electric fan, fluorescent light, metal shelf,
or laser printer.
• You demagnetize the screen using the monitor’s
degauss feature. For more information on degauss,
see your monitor’s documentation.
Why is there a horizontal line or wire visible across the
monitor screen?
Your monitor may use a thin damper wire, located
approximately 1/3 of the way down from the upper screen
edge and 1/3 of the way up from the lower screen edge, to
stabilize the internal aperture grille. These wires are most
obvious when the monitor displays a white background. The
aperture grille allows more light to pass through the screen
for brighter colors and greater luminescence. The damper
wire is a critical part of the overall monitor design and does
not negatively affect the monitor's function.
The text on the display is dim or difficult to read
• Adjust the brightness and contrast controls.
• Use the monitor degauss feature (see your monitor
documentation) or turn off your computer and monitor,
leave them off for at least a half hour, then restart your
computer.
• Change the display settings. For more information, see
the “Customizing” chapter in your online User Guide.
• Move the monitor away from sources of electrical
interference, such as televisions, unshielded speakers,
microwaves, fluorescent lights, and metal beams or
shelves.
For more information about display types, see your monitor
and video card documentation.
8511858.book Page 110 Monday, December 18, 2006 10:51 AM
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