DELL E2014T User Manual

Page of 56
42  
  Troubleshooting
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.
• Please do not cover the surface or 
surroundings of the screen with your hands 
or any other objects every time the monitor 
is turned on;and please wait until the USB 
driver installation at the bottom-right corner 
of the screen is completed after the monitor 
is turned on before performing any touch 
screen operations. 
• Please avoid covering the beam with other 
objects (such as sleeves) besides performing 
touch screen operations with your finger 
during operation, as doing so may affect the 
transmitting and receiving by the sensor lens. 
• 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.