Lenovo 66C0-KAC3-WW, Руководство пользователя

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Chapter 3� 3-4
Table 3-2. Troubleshooting
Problem Possible cause Suggested action Reference
The power indicator is
amber, but there is no
image�
The video signal cable
is loose or disconnected
from the system or
monitor�
Be sure the video cable
is connected with the
system properly�
“Connecting and
turning on your
monitor” on page 1-4
The monitor brightness
and contrast are at the
lowest setting�
Adjust the brightness
and contrast setting on
the OSD menu�
“Adjusting your
monitor image”
on page 2-3
One or more of
the pixels appear
discolored�
This is a characteristic
of the LCD technology
and is not an LCD
defect�
If there are more than
five pixels missing,
contact the Suppwort
Center�
“Appendix A� Service
and Support” on page A-1
• 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
settings on your system
to match the native
resolution for this
monitor: 1920 x 1080 at
60 Hz�
“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 2-7
When working in the
native resolution, you
may find additional
improvements 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� (For VGA [analog] only)
Note: Have your monitor powered on for about 15 minutes, until the monitor warms up�
1� Press 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, press Enter to save the adjustments of
Clock
and
Phase
�
6� Press to leave the OSD menu�