Dell Precision T3400 User's Guide - Page 128

DVI-to-VGA, Start, Control Panel, Appearance and Themes, Display, Color quality, Screen resolution

Page 128 highlights

• If you are using the optional DVI-to-VGA adapter, ensure that the adapter is correctly attached to the graphics card and monitor. • Ensure that the monitor cable is connected as shown on the setup diagram for your computer. • Remove any video extension cables and connect the monitor directly to the computer. • Swap the computer and monitor power cables to determine if the monitor's power cable is defective. • Check the connectors for bent or broken pins (it is normal for monitor cable connectors to have missing pins). CHECK 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. TE S T T H E E L E C T R I C A L O U T L E T - Ensure that the electrical outlet is working by testing it with another device, such as a lamp. C H E C K T H E D I A G N O S T I C L I G H T S - See "Diagnostic Lights" on page 100. C H E C K T H E M O N I T O R S E T T I N G S - See the monitor documentation for instructions on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor, and running the monitor self-test. M O V E T H E S U B W O O F E R A W A Y F R O M T H E M O N I T O R - If your speaker system includes a subwoofer, ensure that the subwoofer is positioned at least 60 centimeters (2 feet) away from the monitor. M O V E T H E M O N I T O R A W A Y F R O M E X T E R N A L P O W E R S O U R C E S - 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. ROTATE THE MONITOR TO ELIMINATE SUNLIGHT GLARE AND POSSIBLE INTERFERENCE ADJUST THE WINDOWS 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. 128 Troubleshooting

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128
Troubleshooting
If you are using the optional
DVI-to-VGA
adapter, ensure that the adapter is
correctly attached to the graphics card and monitor.
Ensure that the monitor cable is connected as shown on the setup diagram for your
computer.
Remove any video extension cables and connect the monitor directly to the computer.
Swap the computer and monitor power cables to determine if the monitor’s power
cable is defective.
Check the connectors for bent or broken pins (it is normal for monitor cable
connectors to have missing pins).
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 100.
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
.