Touch Screen Troubleshooting - HIS -ML19 H Series User Manual

Troubleshooting

Touch Screen Troubleshooting

Applies to touch screen monitors only� To be sure that you have the most current driver, please
check the following address:
Symptom
No response
when touching
the touch
screen
The screen
responds to
touch, but does
not follow my
finger
26 ML19H User Manual, 99154B, November 2022
https://www�HopeIndustrial�com/support/drivers/
Causes
Touch screen cable is not
plugged in correctly.
USB cable length exceeds 5
meters�
Serial connection in use, but
touch screen driver has not
been installed�
Serial connection in use,
but connection to computer
is not using the same port
for which the touch screen
driver is installed�
Touch screen driver has
not been installed and the
touch screen has not been
calibrated�
Touch screen driver has
been installed, but the
touch screen has not been
calibrated�
Solutions
Make sure either the USB or Serial touch
screen cable is securely connected to the
monitor and PC� Do not connect both�
USB cables have a 5 meter limitation�
Exceeding this length may cause
connection issues without the use of a USB
or KVM extender device. Please contact
Hope Industrial support for extension
options�
With a Serial connection, no touch will be
detected until the touch screen driver is
installed. See section "Installing the Driver:
Serial (RS-232) Connections" above�
The Serial cable must be connected to
the computer's COM port prior to driver
installation to allow touch screen detection
and association with the correct COM
port. To fix, uninstall the driver, reboot the
computer, then follow instructions in section
"Installing the Driver: Serial (RS-232)
Connections" above� Be sure to connect
the touch screen serial port before installing
the driver�
Follow instructions for driver installation and
calibration in section "Connect and Set Up
Touch Screen" above�
Follow instructions for calibration in section
"Calibrate the Touch Screen" above�