Dell Optiplex-620 User Guide - Page 183

Start, Control Panel, Appearance and Themes, Display, Settings, Screen resolution, Color quality.

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Page 183 highlights

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. Adjust the Windows display settings - 1. Click the Start button, click Control Panel, and then click Appearance and Themes. 2. Click Display and click the Settings tab. 3. Try different settings for Screen resolution and Color quality. Back to Contents Page

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Back to Contents Page
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.
Adjust the Windows display settings
—
1.
Click the
Start
button, click
Control Panel
, and then click
Appearance and Themes
.
2.
Click
Display
and click the
Settings
tab.
3.
Try different settings for
Screen resolution
and
Color quality.