Lenovo ThinkVision LT2423 24-inch FHD LED Backlit LCD Monitor ThinkVision LT24 - Page 22

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Table 3-2. Troubleshooting (continued) Problem Possible cause Screen is The monitor is in blank and Standby/Suspend power mode. indicator is steady amber or flashing green. Suggested action Reference • Press any key on the "Understanding power keyboard or move the mouse management" on to restore operation. page 2-6 • Check the Power Options settings on your computer. The power indicator is green, 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. The monitor brightness Adjust the brightness and and contrast are at the contrast setting on the OSD lowest setting. menu. "Connecting and turming on your monitor" on page 1-3 "Adjusting your monitor image" on page 2-3 One or more This is a characteristic If there are than five pixels of the pxels of the LCD technology missing, contact the Lenovo appear and is not an LCD Support Center. discolored. defect. Appendix A,"Service and Support," on page A-1 • Fuzzy lines • Image setup has no in text or a tbeen optimized blurryimage. • Your system • Horizontalor Display Properties vertical setting have not lines been optimized. through the image. Adjust the resolution settings on 'Adjusting your monitor your system to match the native image" on page 2-3 resolution for this monitor. 1920 x 1080 at 60 Hz. "Manual image setup" Perform automatic image setup. "Selecting a supported If autormatic image setup does display mode" on not help, perform manual image page 2-5 setup. 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 systems display properties. Manual image setup If autormatic 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 warma up. 1. Press at the bottom of the monitor to open the OSD menu. 2. Use or to select and press to access. 3-4 Flat Panel Monitor User's Guide

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Table 3-2. Troubleshooting (continued)
Problem
Possible cause
Suggested action
Reference
Screen is
blank and
power
indicator is
steady amber
or flashing
green.
The monitor is in
Standby/Suspend
mode.
•
Press any key on the
keyboard or move the mouse
to restore operation.
•
Check the Power Options
settings on your computer.
“Understanding power
management” on
page 2-6
The power
indicator is
green, 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
turming 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 the pxels
appear
discolored.
This is a characteristic
of the LCD technology
and is not an LCD
defect.
If there are than five pixels
missing, contact the Lenovo
Support Center.
Appendix A,”Service
and Support,” on
page A-1
• Fuzzy lines
in text or a
blurryimage.
• Horizontalor
vertical
lines
through the
image.
• Image setup has no
tbeen 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.
1920 x 1080 at 60 Hz.
‘Adjusting your monitor
image” on page 2-3
“Manual image setup”
Perform automatic image setup.
If autormatic image setup does
not help, perform manual image
setup.
“Selecting a supported
display mode” on
page 2-5
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 systems
display properties.
Manual image setup
If autormatic 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
warma up.
1.
Press
at the bottom of the monitor to open the OSD menu.
2.
Use
or
to
select
and press
to access.
3-4
Flat Panel Monitor User’s Guide