Troubleshooting
32
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HP L1940
Solving Common Problems
The following table lists possible problems, the possible cause of each problem, and the recommended solutions.
Problem Possible Cause Solution
Screen is blank. Power cord is disconnected. Connect the power cord.
Power switch is turned Off. Turn on the power.
Video cable is improperly connected. Connect the video cableproperly.
Screen blanking utility is active. Depress any key on the keyboard or move
The mouse to inactivate the screen blanking Utility.
Image appears
Brightness and contrast Press the Minus button on
.
blurred, indistinct, or are too low the monitor front panel to
Too dark. auto-adjust the screen. If that
Does not work, press the
Menu button to open the
Basic OSD Menu, and
adjust the brightness and
contrast scales as needed.
Image is not Position may need Adjustment When OSD is inactive,press-(minus
. button) to
auto-adjust the screen image.
Centered. Press the Menu button to access the
Advanced OSD menu. Select Image
Control/Horizontal Position or Vertical
Position to adjust the horizontal or vertical
position of the image.
Check Video Monitor video cable is disconnected. Connect the 15-pin monitor video cable
to the VGA connector on the computer.
Be sure that the computer
power is off while: connecting the video
Cable.
(Input Signal Out of Video resolution and/or Restart your computer and enter Windows
Safe Mode by pressing the F6 Function
key when the computer starts to boot up.
Change your settings to a supported
setting. Restart your computer so that the
new settings take effect.
Range) is displayed refresh rate are set
on screen. higher than what your
monitor supports.
Cable is displayed
on screen.
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