Dell E2014T 19.5 Users Guide - Page 42

Touchscreen Problems, Specific, Symptoms, What You, Experience, Possible Solutions

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Touchscreen Problems Specific Symptoms Touch report error What You Experience Touch function miss alignment or no touch function Possible Solutions • 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 support USB 2.0 or later. • If the display cannot be detected by the computer, power off/on the monitor or unplug and replug the USB cable. • Wipe softly to clean the dust on the six sensor lens with soft and clean cloth when touch function miss alignment or no touch function. Touch screen non-responsive in power-save mode Windows 7 and Windows 8 / Windows 8.1 Calibration Cannot wake up monitor and computer by using touch in power-save mode Cursor does not accurately follow your finger when you touch the screen 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. 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 NOTE: When the monitor is in Sleep mode, move the mouse, press any key on the keyboard, or double-tap firmly on the screen to wake up the monitor. 42  Troubleshooting

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42
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 support USB 2.0 or later.
•
If the display cannot be detected by the
computer, power off/on the monitor or
unplug and replug the USB cable.
•
Wipe softly to clean the dust on the six sensor
lens with soft and clean cloth when touch
function miss alignment or no touch function.
Touch screen
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 and
Windows 8 /
Windows 8.1
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
NOTE:
When the monitor is in Sleep mode, move the mouse, press any key on
the keyboard, or double-tap firmly on the screen to wake up the monitor.