Lenovo Q27q-20 27" 1440p HDR Monitor - Manual (Page 24)

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 1-3
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 This is a characteristic If there are more than “Appendix A� Service
the pixels appear of the LCD technology five pixels missing, and Support” on page
discolored� and is not an LCD
defect�
contact the Support
Center�
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:
2560 x 1440 at 75 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�