HP L1940T User Manual

Troubleshooting
Problem Possible Cause Solution
Image appears
blurred, indistinct, or
too dark.
Brightness and contrast
are too low.
Press the Auto Adjust button
on the front panel. If this
does not correct the image,
press the Menu button to
open the Basic OSD Menu,
and adjust the brightness
and contrast scales as
needed.
Image is not
centered.
“Check Signal
Cable” is displayed
on screen.
Position may need
adjustment.
Monitor video cable is
disconnected.
Press the Menu button to
access the OSD menu.
Select Image Control/
Horizontal Position or
Vertical Position to adjust the
horizontal or vertical
position of the image.
Connect the 15-pin monitor
video cable to the VGA
connector on the computer,
or, if connected, check the
DVI-D signal cable to the
DVI connector on the
computer, or the VGA to
DVI-I cable to the VGA
connector on the computer
(DVI available on select
models only). Be sure that
the computer power is off
while connecting the video
cable.
“Out of Range. Set
Video resolution and/or
Restart your computer and
Monitor to 1280 x
refresh rate are set
enter Safe Mode. Change
1024 @ 60Hz” is
higher than what your
your settings to a supported
displayed on screen.
monitor supports.
setting (see “Factory Preset
Display Modes” table in
Appendix B). Restart your
computer so that the new
settings take effect.
A–2 User Guide

HP L1940T Specifications

General

3D	No
Pixel pitch	0.294 x 0.294 mm
Aspect ratio	5:4
Response time	8 ms
Display diagonal	19 \
Display resolution	1280 x 1024 pixels
Vertical scan range	56 - 76 Hz
Horizontal scan range	30 - 83 kHz
Viewing angle, vertical	135 °
Contrast ratio (dynamic)	-
Contrast ratio (typical)	700:1
Display number of colors	16.78 million colors
Viewing angle, horizontal	140 °
Display brightness (typical)	300 cd/m²
Supported graphics resolutions	1280 x 1024 (SXGA)
On/off switch	Yes
USB hub version	2.0
DVI-I ports quantity	0
USB Type-A downstream ports quantity	2
Pivot angle	0 - 90 °
Tilt angle range	-5 - 35 °
Panel mounting interface	100 x 100 mm
AC input voltage	95 - 265 V
AC input frequency	50 - 60 Hz
Power consumption (max)	60 W
Power consumption (average)	33 W
Power consumption (standby)	2 W
Power consumption (typical)	40 W
Operating temperature (T-T)	5 - 35 °C
Storage relative humidity (H-H)	5 - 90 %
Operating relative humidity (H-H)	20 - 80 %
Package depth	241 mm
Package width	508 mm
Package height	521 mm
Package weight	10200 g
Sustainability certificates	ENERGY STAR
Certification	CSA, CE, CISPR, FCC, ISO, TCO, VCCI, TUV, MPR-II
Country of origin	China

Weight and Dimensions

Depth (without stand)	273 mm
Width (without stand)	413 mm
Height (without stand)	362 mm
Weight (without stand)	8400 g