Lenovo ThinkVision LT2223d 21.5-inch FHD WLED Backlit LCD OneLink Docking Monito - Page 29

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Troubleshooting If you have a problem setting up or using your monitor, you might be able to solve it yourself. Before calling your dealer or Lenovo, try the suggested actions that are appropriate to your problem. Table 3-2. Troubleshooting Problem Possible cause Suggested action Reference The words "Out of Range" are shown on the screen, and the power indicator is flashing green. The system is set to a display mode which is not supported by the monitor. · If you are replacing an old monitor, reconnect it and adjust the display mode to within the specified range for your new monitor. · If using a Windows system, restart the system in safe mode, then select a supported display mode for your computer. · If these options do not work, contact the Support Center. "Selecting a supported display mode" on page 2-7 The image quality is unacceptable. The video signal cable is Be sure the signal cable is firmly not connected with the plugged into the system and monitor. monitor or system completely. "Connecting and turning on your monitor" on Page 1-5 The color settings may Select another color setting from the be incorrect. OSD menu. "Adjusting your monitor image" on page 2-3 The automatic image setup function was not performed. Perform automatic image setup. "Adjusting your monitor image"" on page 2-3 The power The monitors power indicator is not switch is not switched lit and there is on.The power cord is no image. loose or disconnected. There is no power at the outlet. when saw the screen show OSD message " The power adapter you are using cannot provide sufficient power to charge the laptop. Refer to your monitor user guide for The power delivery for power adapter is less than 135W,result in no power supply ability for NB. a list of appropriate adapters." after 10s the OSD is disappear. Be sure the power cord is connected properly. Be sure the outlet has power. Power on the monitor. Try using another power cord. Try using another electrical outlet. Connect 135W or more than 135W power delivery for power adapter. "Connecting and turning on your monitor" on Page 1-5 Chapter 3. Reference information 3-3

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Troubleshooting
If you have a problem setting up or using your monitor, you might be able to solve it
yourself. Before calling your dealer or Lenovo, try the suggested actions that are
appropriate to your problem.
Table 3-2. Troubleshooting
Problem
Possible cause
Suggested action
Reference
The words "Out
of Range" are
shown on the
screen, and the
power indicator
is flashing green
.
The image
quality is
unacceptable.
The power
indicator is not
lit and there is
no image.
The system is set to a
display mode which is
not supported by the
monitor.
"
Selecting a
supported
display
mode" on
page 2-7
The color settings may
be incorrect.
Select another color setting from the
OSD menu.
Perform automatic image setup.
The monitors power
switch is not switched
on.The power cord is
loose or
disconnected.
There is no power at
the outlet.
Be sure the power cord is connected
properly.
Be sure the outlet has power.
Power on the monitor.
Try using another power cord.
Try using another electrical outlet.
"
Connecting
and turning
on your
monitor" on
Page 1-5
Chapter 3. Reference information
3-3
"
Adjusting
your monitor
image" on
page 2-3
"
Adjusting
your monitor
image"" on
page 2-3
The automatic image
setup function was not
performed.
The video signal cable is
not connected with the
monitor or system
completely.
Be sure the signal cable is firmly
plugged into the system and monitor.
"
Connecting
and turning
on your
monitor" on
Page 1-5
·
If you are replacing an old monitor,
reconnect it and adjust the display
mode to within the specified range
for your new monitor.
f using a Windows system, restart
the system in safe mode, then select
a supported display mode for your
computer.
f these options do not work,
contact the Support Center.
·
I
·
I
when saw the screen show
OSD message " The power
adapter you are using cannot
provide sufficient power to
charge the laptop.
Refer to
your monitor user guide for
a list of appropriate adapters."
after 10s the OSD is disappear.
T
he power delivery for
power adapter is less
than 135W,result in no
power supply ability
for NB.
C
onnect 135W or more than 135W
power delivery for power adapter
.