Dell Vostro 220 - Vostro 220 Slim Desktop Computer, Руководство по обслуживанию

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Troubleshooting
C
HECK THE DIAGNOSTIC LIGHTS
—
See "Power Lights" on page 9.
C
HECK 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.
M
OVE THE SUBWOOFER AWAY FROM THE MONITOR
—
If your speaker system
includes a subwoofer, ensure that the subwoofer is positioned at least 60 centimeters
(2 feet) away from the monitor.
M
OVE 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.
R
OTATE THE MONITOR TO ELIMINATE SUNLIGHT GLARE AND POSSIBLE
INTERFERENCE
A
DJUST THE
W
INDOWS DISPLAY SETTINGS
—
Windows XP:
1
Click Start
→
Control Panel
→
Appearance and Themes .
2
Click the area you want to change or click the Display icon.
3
Try different settings for Color quality and Screen resolution .
Windows Vista :
1
Click
Start
→
Control Panel
→
Hardware and Sound
→
Personalization
→
Display Settings .
2
Adjust Resolution and Colors settings, as needed.
3D image quality is poor
C
HECK THE GRAPHICS CARD POWER CABLE CONNECTION
—
Ensure that the power
cable for the graphics card(s) is correctly attached to the card.
C
HECK 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.
Only part of the display is readable
C
ONNECT AN EXTERNAL MONITOR
—
1
Shut down your computer and connect an external monitor to the
computer.
2
Turn on the computer and the monitor and adjust the monitor brightness
and contrast controls.
If the external monitor works, the computer display or video controller may be