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Table 3-2. Troubleshooting (continued)
Problem
Screen is blank
and power
indicator is
steady amber or
flashing green
The power
indicator is
green, but there
is no image.
One or more of
the pixels appear
discolored
v Fuzzy lines in
text or a
blurry image.
v Horizontal or
vertical lines
through the
image.
Manual image setup
If automatic image setup does not establish the image that you prefer, perform manual image
setup.
Note: Have your monitor powered on for about 15 minutes, until the monitor warms up.
1.
Press
at the bottom of the monitor to open the OSD menu.
2.
Use
or
3.
Use
or
•
Clock (pixel frequency) adjusts the number of pixels scanned by one horizontal
sweep. If the frequency is not correct, the screen shows vertical stripes and the picture
does not have the correct width.
•
Phase adjusts the phase of the pixel clock signal. With a wrong phase adjustment, the
picture has horizontal disturbances in light picture.
4.
When the image no longer looks distorted, save the Clock and Phase adjustments.
5.
Press
Possible cause
Suggested action
The monitor is in
v Press any key on the
Standby/Suspend
keyboard or move the
mode
mouse to restore
operation.
v Check the Power
Options settings on
your computer.
The video signal
Be sure the video cable is
cable is loose or
connected with the
disconnected
system properly.
from the system
or monitor.
The monitor
Adjust the brightness and
brightness and
contrast setting on the
contrast are at
OSD menu.
the lowest
setting.
This is a
If there are more than
characteristic of
five pixels missing,
the LCD
contact the Customer
technology and
Support Center.
is not an LCD
defect.
Adjust the resolution
v Image setup
settings on your system
has not been
to match the native
optimized
resolution for this
v Your system
monitor: 1280 x 1024 at 60
Display
Hz.
Properties
Perform automatic image
setting have
setup. If automatic image
not been
setup does not help,
optimized.
perform manual image
setup.
When working in the
native resolution, you
may find additional
improvements by
adjusting the Dots Per
Inch (DPI) setting on
your system.
to select
and press
to select Clock and Phase adjustment.
to leave the OSD menu.
Reference
"Understanding power
management" on page
2-6
"Connecting and turning
on your monitor" on
page 1-3
"Adjusting your monitor
image" on page 2-3
Appendix A, "Service and
Support," on page A-1
"Adjusting your monitor
image" on page 2-3
"Manual image setup"
"Selecting a supported
display mode" on page
2-5
See the Advanced section
of your system's display
properties.
to access.
Chapter 3. Reference information
3-3