Lenovo LT1423pwC User Manual page 20

4. 2 options to set up the stylus pen and the touch function. Click "stylus pen input",
your notebook screen will show below picture.Then click "Enter" button of your
keyboard, the picture will also be displayed on your monitor screen.
5. Touch function setting is similar with the previous one.>.Finally, the stylus pen and
the touch function will be effective both on your monitor and your notebook screen
Table3-2.Troubleshooting
Problem Possible cause
The LED
The driver is
indicator is
not installed
greenbut the correctly.
screen has no
display.
The USB cable
The image
quality is is not connected
unacceptable. with the monitor
or system
completely.
The power The USB cable
is loose or
indicator is not
disco nnected
lit and there is
with the
no image.
monitor or
system.
One or more of This is a
the pixels characteristic
appear of the LCD
technology
discolored.
and is not an LCD
defect.
Screen skewing， The desktop
picture not in background have
the middle. no clearly
boundary when
monitor do auto
adjust.
Suggested action
Please uninstall the
driverthen restart PC
and install the driver
again.
Be sure the USB cable is
firmly plugged into the
system and monitor.
Be sure the USB cable is
connected properly.
If there are more than
five pixels missing,
contact the Customer
Support Center.
Make sure the desktop
have clear boundary or
open a file and maximize
it，then press left button
or select Automatic item
in the OSD，monitor
will do adjust again.
Reference
"Driver Installation" on
page 4-1
"Connecting and turning
on your monitor" on
page 1-3
"Connecting and turning
on your monitor" on
page 1-3
Appendix A, "Service and
Support," on page A-1
Na
Chapter 3. Reference information
.
3-3