Lenovo ThinkVision T27hv-30 User Manual page 37

3-4 T27hv-30 Flat Panel Monitor User's Guide
Table 3-2� Troubleshooting
Problem Possible cause
The power indicator The video signal cable
is amber, but there is is loose or disconnected
no image� from the system or
monitor�
The monitor brightness
and contrast are at the
lowest setting�
One or more of This is a characteristic of
the pixels appear the LCD technology and
discolored� is not an LCD defect�
• Lines or images are • Image setup has not
blurred in the text�
• There are • The "Display
horizontal or
vertical lines
in images�
been optimized�
Properties" settings of
your system have not
been optimized�
Suggested action Reference
Be sure the video cable "Connecting and
is connected with the turning on your
system properly� monitor" on page 1-7
Adjust the brightness "Adjusting your
and contrast setting monitor image" on
on the OSD menu� page 2-3
If there are more than "Appendix A� Service
five pixels missing, and Support" on page A-1
contact the Support
Center�
According to the "Adjusting your
resolution of the monitor image" on
monitor itself, adjust page 2-3
the resolution setting of
the system:
2560 × 1440 @ 60 Hz�
Perform automatic "Selecting a supported
image setup� If display mode" on page
automatic image setup 2-10
does not help, perform
manual image setup�
When working in the See the Advanced
native resolution, you section of your system's
may find additional display properties�
improvements by
adjusting the Dots Per
In� (DPI) setting on
your system�