Lenovo Y25f-10 User Manual page 31

Table 3-2. Troubleshooting
Problem
The power indicator is The video signal cable
amber, but there is no is loose or disconnected
image. from the system or
monitor.
The monitor brightness
and contrast are at the
lowest setting.
One or more of This is a characteristic
the pixels appear of the LCD technology
discolored. and is not an LCD
defect.
• Fuzzy lines in text or • Image setup has not
a blurry image.
• Horizontal or vertical • Your system Display
lines through the
image.
Possible cause
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
been optimized. settings on your system to
match the native resolution
for this monitor: 1920 x
Properties setting
1080 at 60 Hz.
have not been
Perform automatic image
optimized.
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.
Suggested action
"Connecting and
turning on your
monitor" on page 1-6
"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 2-9
See the Advanced
section of your
system's display
properties.
Reference
Chapter 3. 3-4