74
Troubleshooting
C
HECK
THE
MONITOR
POWER
LIGHT
—
• If the power light is lit or blinking, the monitor has power.
• If the power light is off, firmly press the button to ensure that the monitor is
turned on.
• If the power light is blinking, press a key on the keyboard or move the mouse to
resume normal operation.
T
EST
THE
ELECTRICAL
OUTLET
—
Ensure that the electrical outlet is working by
testing it with another device, such as a lamp.
C
HECK
THE
DIAGNOSTIC
LIGHTS
—
See "Diagnostic Lights" on page 76.
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
—
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.
book.book Page 74 Tuesday, November 27, 2007 10:29 AM
Содержание XPS 420
Страница 58: ...58 Setting Up and Using Your Computer book book Page 58 Tuesday November 27 2007 10 29 AM ...
Страница 60: ...60 Optimizing for Greater Performance book book Page 60 Tuesday November 27 2007 10 29 AM ...
Страница 218: ...218 Glossary book book Page 218 Tuesday November 27 2007 10 29 AM ...
Страница 226: ...226 Index book book Page 226 Tuesday November 27 2007 10 29 AM ...