Troubleshooting - Lenovo ThinkVision E2223s User Manual

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
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
Screen is blank
and power
indicator is
amber
The power
indicator is
amber, but there
is no image
One or more of
the pixels appear
discolored
Possible cause Suggested action
The system is set to a If you are replacing an old monitor,
display mode which is reconnect it and adjust the display
not supported by the mode to within the specified range for
monitor
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
The video signal cable Be sure the signal cable is firmly
is not connected with plugged into the system and monitor
the monitor or system
completely
The color settings may Select another color setting from the
be incorrect OSD menu
The automatic image Perform automatic image setup
setup function was not
performed
• The monitor's power • Be sure the power cord is
switch is not switched connected properly
on • Be sure the outlet has power
• The power cord is • Power on the monitor
loose or disconnected • Try using another power cord
• There is no power at • Try using another electrical outlet
the outlet
The monitor is in • Press any key on the keyboard or
Standby / Suspend move the mouse to restore operation
mode • Check the Power Options settings
on your computer
The video signal cable Be sure the video cable is connected
is loose or disconnected with the system properly
from the system or
monitor
The monitor brightness Adjust the brightness and contrast
and contrast are at the setting on the OSD menu
lowest setting
This is a characteristic If there are more than five pixels
of the LCD technology missing, contact the Support Center
and is not an LCD
defect
Reference
"Selecting a
supported display
mode" on page 2-6
"Connecting and
turning on your
monitor" on page 1-3
"Adjusting your
monitor image" on
page 2-3
"Adjusting your
monitor image" on
page 2-3
"Connecting and
turning on your
monitor" on page 1-3
"Understanding
power management"
on page 2-7
"Connecting and
turning on your
monitor" on page 1-3
"Adjusting your
monitor image" on
page 2-3
Appendix A,
"Service and
Support," on page
A-1
Chapter 3. 3-2