Lenovo Q27q-1L User Manual page 24

Table 3-2. Troubleshooting
Problem
The power indicator is
amber, 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�
Possible cause Suggested action
The video signal cable Be sure the video cable
is loose or disconnected is connected with the
from the system or system properly�
monitor�
The monitor brightness Adjust the brightness
and contrast are at the and contrast setting on
lowest setting� the OSD menu�
This is a characteristic If there are more than
of the LCD technology five pixels missing,
and is not an LCD contact the Support
defect� Center�
• Image setup has not Adjust the resolution
been optimized� settings on your system
to match the native
• Your system Display
resolution for this
Properties setting have
monitor: 2560 x 1440 at
not been optimized�
75 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�
Reference
"Connecting and turning
on your monitor" on
page 1-3
"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�
Chapter 3� 3-4