Lenovo ThinkVision E2223s 21.5-inch FHD WLED Backlit LCD Monitor ThinkVision E - Page 22

Manual image setup, Table 3-2. Troubleshooting

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Table 3-2. Troubleshooting Problem Possible cause Suggested action Reference • Fuzzy lines in text or a blurryimage • Horizontal or vertical lines through the image • Image setup has not Adjust the resolution settings on your "Adjusting your been optimized system to match the native resolution monitor image" on • Your system for this monitor: 1920x1080 at 60Hz page 2-3 DisplayProperties setting have not been Perform automatic image setup. If "Selecting a optimized automatic image setup does not help, supported display perform manual image setup mode" on page 2-6 When working in the native See the Advanced resolution, you may find section of your additionalimprovements by adjusting system's display the Dots Per Inch (DPI) setting on properties your system 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 to select and press to access. 3. Use or to select manual and press to access. 4. Use or 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. 5. When the image no longer looks distorted, save the Clock and Phase adjustments. 6. Press to leave the OSD menu. Chapter 3. 3-3

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Table 3-2. Troubleshooting
Problem
Possible cause
Suggested action
Reference
•
Fuzzy lines
in text or a
blurryimage
•
Horizontal or
vertical lines
through the
image
•
Image setup has not
been optimized
•
Your system
DisplayProperties
setting have not been
optimized
Adjust the resolution settings on your
system to match the native resolution
for this monitor: 1920x1080 at 60Hz
“Adjusting your
monitor image” on
page 2-3
Perform automatic image setup.
If
automatic image setup does not help,
perform manual image setup
“Selecting a
supported display
mode” on page 2-6
When working in the native
resolution, you may find
additionalimprovements by adjusting
the Dots Per Inch (DPI) setting on
your system
See the Advanced
section of your
system’s display
properties
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
to select
and press
to access.
3.
Use
or
to select manual and press
to access.
4.
Use
or
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.
5.
When the image no longer looks distorted, save the Clock and Phase adjustments.
6.
Press
to leave the OSD menu.
Chapter 3.
3-3