Lenovo 0559-HB1 Manual do utilizador - Página 25
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Table 3-2. Troubleshooting
Problem
The power
indicator is
orange, but there
is no image.
One or more of
the pixels appear
discolored
•
Fuzzy lines
in text or a
blurry
image.
•
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
2.
Use
or
3.
Use
or
4.
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.
5.
When the image no longer looks distorted, save the Clock and Phase adjustments.
Possible cause
The video signal cable
is loose or
disconnected from the
system or monitor.
The monitor
brightness and
contrast are at the
lowest setting.
This is a characteristic
of the LCD
technology and is not
an LCD defect.
•
Image setup has
not been
optimized
•
Your system
Display
Properties setting
have not been
optimized.
at the bottom of the monitor to open the OSD menu.
to select
and press
to select manual and press
to select Clock and Phase adjustment.
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: 1920 x 1080 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.
to access.
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
"Selecting a
supported display
mode"on page 2-7
See the Advanced
section of your
system's display
properties.
3-4
Chapter 3.