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Table 3-2. Troubleshooting
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.
2.
3.
4.
5.
3-4
ThinkVision L201p Flat Panel Monitor User's Guide
Problem
Possible cause
The power
The video signal cable
indicator is green,
is loose or disconnected
but there is no
from the system or
image.
monitor.
The monitor brightness
and contrast are at the
lowest setting.
One or more of the
This is a characteristic
pixels appear
of the LCD technology
discolored
and is not an LCD
defect.
•
Fuzzy lines in
•
Image setup has not
text or a
been optimized
blurry image.
•
Your system
•
Horizontal or
Display Properties
vertical lines
setting have not
through the
been optimized.
image.
Press
at the bottom of the monitor to open the OSD menu.
Use
or
to select
Use
or
to select Clock and Phase adjustment.
•
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.
When the image no longer looks distorted, save the Clock and Phase adjustments.
Press
to leave the OSD menu.
Suggested action
Be sure the video cable is
connected with the system
properly.
Adjust the brightness and
contrast setting on the OSD
menu.
If there are more than five
pixels missing, contact the
Support Center.
Adjust the resolution
settings on your system to
match the native resolution
for this monitor: 1600 x
1200 at 60 Hz.
Perform automatic image
setup. If automatic image
setup does not help, 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.
and press
to access.
Reference
"Connecting and
turning on your
monitor" on page 1-4
"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
2-6
See the Advanced
section of your
system's display
properties.
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