Lenovo LI2323s Wide LCD Monitor - Manual (Page 25)

Table 3-2. Troubleshooting
Problem Possible cause Suggested action Reference
The power The video signal cable Be sure the video cable is "Connecting and
indicator is is loose or connected with the turning on your
orange, but there disconnected from the system properly. monitor"on page 1-4
is no image. system or monitor.
The monitor Adjust the brightness and "Adjusting your
brightness and contrast setting on the monitor image"on
contrast are at the OSD menu. page 2-3
lowest setting.
One or more of This is a characteristic If there are more than five Appendix A."Service
the pixels appear of the LCD pixels missing, contact and Support"on page
discolored. technology and is not the Support Center. A-1
an LCD defect.
• Fuzzy lines
in text or a
blurry
image.
• Horizontal
or vertical
lines
through the
image.
• Image setup has
not been
optimized.
• Your system
Display
Properties setting
have not been
optimized.
Adjust the resolution "Adjusting your
settings on your system monitor image"on
to match the native page 2-3
resolution for this
monitor: 1920 x 1080 at 60
Hz.
Perform automatic image "Selecting a
setup. If automatic image supported display
setup does not help, mode"on page 2-7
perform manual image
setup.
When working in the See the Advanced
native resolution, you section of your
may find additional system’s display
improvements by properties.
adjusting the Dots Per
Inch (DPI) setting on 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 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.
5. When the image no longer looks distorted, save the Clock and Phase adjustments.
6. Press to leave the OSD menu.
Chapter 3.
3-4