Touch Problem - Dell S2240T User Manual

Safety Related Visible signs of
Issues smoke or sparks
Intermittent Monitor
Problems malfunctions on
& off
Missing Color Picture missing
color
Wrong Color Picture color not
good
Image retention Faint shadow
from a static from the static
image left on image displayed
the monitor for appears on the
a long period of screen
time

Touch Problem

Specific
Symptoms
Touch report Touch function
error miss alignment or
no touch
function
Touch screen Could not wake
no response in up monitor and
saving mode computer by
touching in
saving mode
• Do not perform any troubleshooting steps.
• Contact Dell immediately.
• Ensure that the video cable connecting the monitor to the
computer is connected properly and is secure.
• Reset the monitor to Factory Settings.
• Perform monitor self-test feature check to determine if the
intermittent problem occurs in self-test mode.
• Perform monitor self-test feature check.
• Ensure that the video cable connecting the monitor to the
computer is connected properly and is secure.
• Check for bent or broken pins in the video cable connector.
• Change the Color Setting Mode in the Color Settings OSD
to Graphics or Video depending on the application.
• Try different Color Preset Settings in Color Settings OSD.
Adjust R/G/B value in Color Settings OSD if the Color
Management is turned off.
• Change the Input Color Format to PC RGB or YPbPr in the
Advance Setting OSD.
• Run the built-in diagnostics.
• Use the Power Management feature to turn off the monitor
at all times when not in use (for more information, see
Power Management Modes
• Alternatively, use a dynamically changing screensaver.
What You
Experience
• Make sure power cord comes with ground pin.
• Unplug and replug the DC cable from power adapter to
allow touch module auto recalibration.
• Make sure to use Dell provide USB cable, connect with
computer.
• Make sure computer support USB 2.0 cable.
• If the device cannot be detected by system, power off/on
the monitor or plug out/in the USB cable.
• Access to Device Manager and choose HID Interface Device
under Human Device.
• Select HID- compliant device Properties
• Allow the device to wake the computer.
).
Possible Solutions
Troubleshooting
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