Video And Monitor Problems; If The Screen Is Blank; If The Screen Is Difficult To Read - Dell Dimension 2400 Series Owner's Manual

Video and Monitor Problems

CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide.

If the screen is blank

NOTE:
See the monitor documentation for troubleshooting procedures.
C HECK THE MONITOR CABLE CONNECTION
• Ensure that the graphics cable is connected as shown on the setup diagram for your computer.
• If you are using a graphics 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
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
device, such as a lamp.
— Connect a properly working monitor to the computer, and try using the monitor. If
T EST THE MONITOR
the new monitor works, the original monitor is faulty.
C HECK THE DIAGNOSTIC LIGHTS
UN THE ELL IAGNOSTICS
R D D

If the screen is difficult to read

C HECK THE MONITOR SETTINGS
contrast and brightness, demagnetizing (degaussing) the monitor, and running the monitor self-test.
M OVE THE SUBWOOFER AWAY FROM THE MONITOR
the subwoofer is at least 60 cm (2 ft) away from the monitor.
—
— If the power light is off, firmly press the button to ensure that the
— Ensure that the electrical outlet is working by testing it with another
— See page 35.
— See page 38.
— See the monitor documentation for instructions on adjusting the
— If your speaker system includes a subwoofer, ensure that
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Solving Problems