Gateway 300x User Guide

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Chapter 6: Troubleshooting
The computer is running but there is no picture
Make sure that the monitor is plugged in and turned on. If the monitor is turned on, 
the power LED should be lit.
Adjust the brightness and contrast controls to the center position.
Make sure that the monitor cable is connected to the video port on the back of your 
computer.
Check the cable for bent or damaged pins.
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.
Tips & Tricks 
You received a free, limited-time subscription to the Norton AntiVirus 
service when you purchased your computer. To update Norton 
AntiVirus after the free subscription period, you must extend your 
subscription.
Help and Support 
For more information about changing the screen resolution, click 
Start, then click Help and Support.
Type the keyword 
screen resolution in the Search box 
, then click the arrow.