Compaq CV7500 Reference Manual page 22

Color monitors series 5500, 7500, 7550, 9500
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Troubleshooting
Problem
Image is not
centered.
"No Signal" is
displayed on screen.
"Out of Frequency" is
displayed on screen.
No speaker power.
No sound from
speakers.
A–2
Possible Cause
Horizontal position may need
adjustment.
Vertical position may need
adjustment.
Monitor video cable is
disconnected.
Video resolution and/or
refresh rate are set higher
than what your monitor
supports.
Speaker power cord is
disconnected.
Power button on right-side
speaker may be off.
Speaker audio plug may be
disconnected from the back
of the computer.
Mute button may be
activated.
Volume may be too low.
Solution
Press the SELECT button to
access the On-Screen
Display. Select H. Position to
adjust as needed.
Press the SELECT button to
access the On-Screen
Display. Select V. Position to
adjust as needed.
Connect the 15-pin monitor
video cable to the computer.
Be sure that the computer
power is on.
Restart your computer and
enter Safe Mode. Change
your settings to a supported
setting (see "Technical
Specifications"). Restart your
computer so that the new
settings take effect.
Check all speaker power
connections and make sure
they are properly connected.
Turn the power button
clockwise on the front of the
right-side speaker. Speaker
LED should illuminate.
Make sure your audio input
jack (green connector) is
plugged into the back of your
computer.
Select the Speaker icon on
your computer screen and
deselect Mute.
Increase volume by using
keyboard volume control or
clicking on the Speaker icon
on your computer screen and
increasing the volume level.
Volume may also be adjusted
on the speaker.
Reference Guide

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