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ROUBLESHOOTING
You may save time and money by solving common monitor problems using the following simple, easy-
to-apply solutions. If you are unable to solve the problem using these troubleshooting solutions, visit
the Compaq website at
www.compaq.com/athome
www.compaq.com/athomewww.compaq.com/athome
www.compaq.com/athome
or contact your Compaq authorized dealer, reseller,
or service provider.
Problem Possible Cause Solution
Screen is blank Power cord disconnected Connect the power cord
Power switch off Turn on power
Signal cable improperly
connected
Connect signal cable properly
Screen blanking utility is active Depress any key on the keyboard or move the
mouse
Image appears blurred,
indistinct, or too dark
Brightness and contrast are
too low
Press to access the On-Screen Display (OSD),
then select the brightness and/or contrast
icon to adjust to desired levels*
Color is abnormal A magnetic object may
be nearby
Move the object farther away
Monitor has been moved or
inadvertently bumped
Press to access the OSD, then select Degauss
to activate*
Image is too large or too small Horizontal width may need
adjustment
Press to access the OSD, then select
H. Size to adjust*
Vertical height may need
adjustment
Press to access the OSD, then select
V. Size to adjust*
Image is not centered Horizontal position needs
adjustment
Press to access the OSD, then select
H. Position to adjust*
Vertical position needs
adjustment
Press to access the OSD, then select
V. Position to adjust*
“No Signal” is displayed
on screen
Monitor signal cable is not
connected to the computer
Connect the 15-pin monitor signal cable to the
computer. Be sure that computer power is on.
“Out of Range” is displayed on
screen
Video resolution and/or refresh
rate are set higher than what
your monitor supports
Restart your computer, press
F6
before Microsoft
Windows begins to load so that you enter Safe
Mode. Change your settings to a supported setting
(see “Specifications”). Restart your computer so
that the new settings take effect.
*Refer to the “Using Your On-Screen Display” section for detailed instructions. (
continued
)