Solving Common Problems - HP CV7540 User Manual

Solving Common Problems

The following table lists possible problems, the possible cause of
each problem, and the recommended solutions.
Problem
Screen is blank.
Image appears
blurred, indistinct, or
too dark.
Color is abnormal.
User Guide
Troubleshooting
Possible Cause
Power cord is disconnected.
Power switch is off.
Video cable is improperly
connected.
Screen blanking utility is
active.
Brightness and contrast are too
low.
A magnetic object may be
nearby.
A
Solution
Connect the power
cord.
Turn on power.
Connect video cable
properly.
Depress any key on
the keyboard or move
the mouse.
Press the menu
button to access the
On-Screen Display.
Select the Brightness
and/or Contrast
icons to adjust as
needed.
Move the object
farther away.
A–1