Installation guide

23
Troubleshooting
This section provides some solutions to possible problems that might occur
with the touch screen.
If the problem persists, contact your NextWindow product support provider for
further advice.
Touch screen does not respond to touches
Make sure the communications cable (USB or serial) is connected to the
computer and to the touch overlay.
Make sure the touch screen is connected to a USB port that provides enough
power for it (some peripherals, such as keyboards, include USB ports that do
not provide sufficient power for certain devices).
Try connecting the touch
screen to a different USB port on the computer.
Cursor does not accurately follow your finger
This can occur if the touch overlay has not been calibrated correctly. To fix
the problem, re-calibrate the touch overlay—see the relevant sections on
USB or serial calibration in this manual.
Unable to calibrate the touch overlay
If you have a problem with calibrating the touch overlay, contact your
NextWindow support provider for assistance.
The cursor moves erratically
Make sure there is nothing blocking the optics of the touch screen. There are
two sensors in the top corners of the screen that need unobstructed views
across the surface of the glass to the bottom and side edges.
Clean the glass and edges of the screen.
For instructions, see Cleaning the
Touch Screen on page 22.