Lenovo ThinkVision L2251p User Manual

Table 3-1. Monitor specifications for type-model (continued)
Humidity
Operating
Storage
Shipping
10% to 80%
5%° to 95%
5% to 95%
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.
Table3-2.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
Customer Support
Center
.
“Selecting a supported
display mode” on page
2-6
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 1-4
The color
settings may be
incorrect.
Select another color setting
from the OSD menu.
“Adjusting your monitor
image” on page 2-3
The image
quality is
unacceptable.
The automatic
image setup
function was not
performed.
Perform automatic image
setup.
“Adjusting your monitor
image” on page 2-3
The power
indictator 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.
“Connecting and turning
on your monitor” on
page 1-4
3-2 L2251p Wide Flat Panel Monitor User’s Guide

Lenovo ThinkVision L2251p Specifications

General

Pixel pitch	0.282 x 0.282 mm
Aspect ratio	16:10
Display diagonal	22 \
Separate H/V sync	Yes
Display resolution	1680 x 1050 pixels
Viewable size diagonal	559 mm
Viewable size, vertical	296.1 mm
Viewing angle, vertical	160 °
Contrast ratio (typical)	1000:1
Viewable size, horizontal	437.8 mm
Viewing angle, horizontal	170 °
Display brightness (typical)	250 cd/m²
Power requirements	110-240V, 50/60Hz
Display viewable area (HxV)	437.8 x 296.1 mm
DVI-I ports quantity	0
Power consumption (standby)	1 W
Power consumption (typical)	21 W
Product color	Black
Market positioning	Business
LED indicators	Stand-by
Tilt angle range	0 - 30 °
Height adjustment	110 mm
Cable lock slot type	Kensington
Panel mounting interface	100 x 100 mm
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Bezel width (side)	15.3 mm
Depth (without stand)	241.2 mm
Width (without stand)	506 mm
Height (without stand)	367.3 mm
Weight (without stand)	5880 g