Lenovo ThinkCentre Tiny-In-One 22 Gen 4 21.5" 16:9 Video Conferencing FHD IPS Monitor - Manual (Page 41)

Chapter 3.
3-6
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 white. 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 2-14
The image quality
is unacceptable. 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. "Assembling your
monitor"on page 1-6
The color settings
may be incorrect. Select another color setting from
the OSD menu. "Adjusting your
monitor image"on
page 2-8
The automatic image
setup function was not
performed. Perform automatic image setup. "Adjusting your
monitor image"on
page 2-8
The power
indicator is not lit
and there is no
image. • The monitor’s
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.
"Assembling your
monitor"on page 1-6
Screen is blank
and power
indicator is amber. 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
2-15
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. "Assembling your
monitor"on page 1-6
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 2-8