User Guide

52 | Troubleshooting
Touchscreen Problems
Specific
Symptoms
What You
Experience
Possible Solutions
Touch report
error
Touch function
miss alignment
or no touch
function
•Use the Dell provided USB cable to connect your
computer.
•Make sure the power cable has a ground pin.
•Unplug and replug the power cable from the
power adapter to allow auto-recalibration of the
touch module.
•Make sure computer supports USB 2.0 or later.
•If the display cannot be detected by the
computer, power o/on the monitor or unplug
and replug the USB cable.
Touchscreen
non-responsive
in power-save
mode
Cannot wake
up monitor
and computer
by using touch
in power-save
mode
1. Access Device Manager, expand HID Interface
Device under Human Device.
2. Right click HID- compliant device, click
Properties and select the check-box to allow
the device to wake the computer.
Windows 7,
Windows 8,
Windows 8.1
and Windows 10
Calibration
Cursor does
not accurately
follow your
finger when
you touch the
screen
1. Open Control Panel, open Hardware and
Sound, and then open Tablet PC Settings.
2. Select Calibration.
3. Follow the instructions to recalibrate your
screen
Universal Serial Bus (USB) Specific Problems
Specific
Symptoms
What You
Experience
Possible Solutions
USB interface is
not working
USB peripherals
are not working
•Check that your monitor is turned ON.
•Reconnect the upstream cable to your computer.
•Reconnect the USB peripherals (downstream
connector).
•Switch o and then turn on the monitor again.
•Reboot the computer.
•Some USB devices like external portable HDD
require higher electric current; connect the
device directly to the computer system.