DELL XPS 600 Benutzerhandbuch

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Solving Problems
53
Video and Monitor Problems
 
CAUTION: 
Before you begin any of the procedures in this section, follow the safety instructions 
located in the Product Information Guide.
If the screen is blank
 
NOTE: 
See the monitor documentation for troubleshooting procedures.
If the screen is difficult to read
C
HECK
 
THE
 
MONITOR
 
CABLE
 
CONNECTION
• If you have the optional second PCI-Express graphics card, ensure that the monitor cable is connected 
to the correct card.
• If you have the optional DVI adapter, ensure that it is correctly attached to the graphics card.
• Ensure that the monitor cable is connected as shown on the setup diagram for your computer.
• If you are using a extension cable and removing the cable solves the problem, the cable is defective.
• Swap the computer and monitor power cables to determine if the power cable is defective.
• Check the connector 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 off, firmly press the button to ensure that 
the monitor is turned on. If the power light is lit or blinking, the monitor has power. If the power light is 
blinking, press a key on the keyboard or move the mouse.
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
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 at least 60 cm (2 ft) 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.