Lenovo ThinkCentre Tiny-in-One 24 User Manual

Table3-2.Troubleshooting(continued)
Problem Possible cause Suggested action Reference
Screen is blank
and power
indicator is
steady amber
or flashing
green
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 16
The power
indicator is
green, 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.
“Setting up your monitor
“on page 3
The power
indicator is
green, but
there is no
image.
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 12
One or more
of the pixels
appear
discoloured
This is a
characteristic of the
LCD technology
and is not an LCD
defect.
If there are more than five
pixels missing, contact the
Customer Support Centre.
“Service and support” on
page 29
● Fuzzy lines
in text or a
blurry image.
● Horizontal
or vertical
lines through
the image.
● Image setup has
not been
optimized
● Your system
Display
Properties setting
have not been
optimized.
Adjust the resolution
settings on your system to
match the native resolution
for this monitor: 1920x1080
at 60 Hz.
“Adjusting your monitor
image” on page 12
● Fuzzy lines
in text or a
blurry image.
● Horizontal
or vertical
lines through
the image.
● Image setup has
not been
optimized
● Your system
Display
Properties setting
have not been
optimized.
Perform automatic image
setup. If automatic image
setup does not help,
perform manual image
setup.
“Selecting a supported
display mode” on page 16
● Fuzzy lines
in text or a
blurry image.
● Horizontal
or vertical
lines through
the image.
● Image setup has
not been
optimized
● Your system
Display
Properties setting
have not been
optimized.
When working in the native
resolution, you may find
additional improvements by
adjusting the Dots Per Inch
(DPI) setting on your
system.
See the Advanced section
of your system’s display
properties.
The image is
not acceptable
when
switching to
dual mode
It has not set the
optimum
resolution for each
mode
● Use ThinkVision
®
Duo
software to optimize the
dual screen operation
● Adjust graphic card
resolution manually
“Using the user controls”
on page
12
Manual image setup
If automatic image setup does not establish the image that you prefer, perform
manual image setup.
Chapter 3 Reference information
23

Lenovo ThinkCentre Tiny-in-One 24 Specifications

General

3D	No
Color gamut	72 %
Pixel pitch	0.2745 x 0.2745 mm
Screen shape	Flat
Display surface	Matt
Display diagonal	23.8 \
Native aspect ratio	16:9
Viewable size diagonal	604.7 mm
Viewable size, vertical	313 mm
Contrast ratio (typical)	1000:1
Display number of colors	-
Viewable size, horizontal	535 mm
Display brightness (typical)	250 cd/m²
Supported graphics resolutions	640 x 350, 640 x 480 (VGA), 720 x 400, 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 1024 (SXGA), 1280 x 800 (WXGA), 1280 x 800, 1366 x 768, 1600 x 1200 (UXGA), 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080)
On/off switch	Yes
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (max)	35 W
Power consumption (typical)	16.7 W
Certification	China RoHS, China Energy Efficiency Standard Tier 1, RoHS EU, RoHS (Turkey), EPEAT Gold, Energy Star 7.0, RoHS Ukraine
Product color	Black
Market positioning	Business
RMS rated power	1.5 W
Number of speakers	1
VGA (D-Sub) ports quantity	0
USB Type-A downstream ports quantity	2
Tilt angle range	-5 - 35 °
Number of OSD languages	8
Panel mounting interface	100 x 100 mm
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	8 - 80 %
Sustainability certificates	EPEAT Gold, ENERGY STAR

Weight and Dimensions

Depth (with stand)	251.4 mm
Height (with stand)	385.08 mm
Weight (with stand)	5570 g
Depth (without stand)	68.2 mm
Width (without stand)	539.6 mm
Height (without stand)	346.45 mm
Weight (without stand)	- g