Lenovo ThinkVision LT2223d 21.5-inch FHD WLED Backlit LCD User Manual download pdf (Page 29)

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

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.

The power delivery for

power adapter is less

than 135W,result in no

power supply ability

for NB.

Connect 135W or more than 135W

power delivery for power adapter.

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Lenovo ThinkVision LT2223d 21.5-inch FHD WLED Backlit LCD User Manual Page 29

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