Touch Screen Function Lost After Latitude 7220 Rugged Extreme Tablet Resumes or Reboots

Summary: The following article describes what to do when you touch screen function is lost on the Latitude 7220 Rugged Extreme Tablet. This is seen when it reboots or resumes from suspend.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
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Symptoms

Latitude 7220 Rugged Extreme Tablet owners may experience a failure to respond to any touch input using the touch panel. This happens following a laptop reboot or resuming from suspend.

If you run the eGalaxTuner tool, it reveals:

Error code 0x00000010,
with a Hardware status information stating 0x00000200
which indicates a communication error.

Cause

There are communication issues between the Microcontroller (MCU) and the touch controller Integrated Circuit (IC). This is happening on firmware versions of the touch panel that are older than version A4N.

Resolution

Note: You must have administrator rights on your laptop to make any operating system changes or update software.

Update the application firmware driver to Dell Touch Firmware Update Tool, version A4N, A00 or later. To download and install the Dell Touch Firmware Update Tool-A4_N_ZPE.exe see:

Affected Products

Latitude 7220 Rugged Extreme Tablet
Article Properties
Article Number: 000207232
Article Type: Solution
Last Modified: 15 Nov 2024
Version:  4
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