HP Compaq S2021 User Manual

A
Troubleshooting
Solving Common Problems
The following table lists possible problems, the possible cause of each problem, and the recommende
d
solutions:
Problem
Solut
i
on
Power LED is not on.
Make sure the Power button is on, and the power cord is properly conn
ected
to a grounded power outlet and to the monitor.
Screen is blank.
Connect the power cord. Turn on the power.
Connect the video cable properly. See “Setting Up the Monitor” for
more
information.
Press a key on the keyboard or move the mouse to turn off the screen-
blanking utility.
Image appears blurre
d,
indistinct, or too dark.
Press the Auto/OK button on the monitor front bezel. If this does not
correct
the image, press the Menu button to open the OSD menu, and adjust the
brightness and contrast scales.
Image is not centered. Press the Menu button to access the OSD menu. Select
P
icture
,
and then select
H
ori
z
o
n
t
a
l
P
o
s
i
ti
on
or
Vertical
Position
to adjust
the
position of the image.
Check Video Cabl
e
appears on screen.
Connect the monitor VGA or DVI signal cable to the signal connector on
the computer. Be sure that the computer power is off while connecting the
video cable.
Input Signal Out o
f
Range appears o
n
screen.
Restart your computer and enter Safe Mode. Change your settings to a
supported setting (see the table in “Preset Video Modes” in Appendix
B).
Restart your computer so that the new settings take effect.
Picture is fuzzy and
has
ghosting, shadowing
problem.
Adjust the contrast and brightness controls.
Make sure that you are not using an extension cable or switch bo
x. We
recommend plugging the monitor directly into the graphic card output
connector on the back of your computer.
The auto adjustment feature might fix this problem.
22 Appendix A Troubleshooting ENWW

HP Compaq S2021 Specifications

General

Brand	HP
Model	Compaq S2021
Category	Monitor
Language	English