Latitude 7200 2-in-1 & Latitude 7400 2-in-1: Touch screen doesn't function after re-image with Windows 10 RS4 or older

Symptom

Owners of a Latitude 7200 2-in-1 or Latitude 7400 2-in-1 notebook have reported that the touch screen does not function after re-imaging the Operating System with Windows 10 RS3 or Windows 10 RS4.

Affected systems

(Figure.1 Latitude 7200 and 7400 2-in-1 notebook systems)

Solution

This isn't an issue on these systems as shipped from Dell, the Latitude 7200 2-in-1 and Latitude 7400 2-in-1 are both shipped with Windows 10 RS5 which natively supports the touch screen.

Updating the latest serial I/O driver available for the computer will help to resolve the issue. To download and install the latest driver:

1. Browse to the Dell Drivers & downloads page:

   • Latitude 7200 2-in-1 support Page

   • Latitude 7400 2-in-1 support Page

2. Select the Operating System

3. Under Category, select Chipset

4. Locate the latest Serial I/O Driver (Version A0 or newer.)

5. Click Download and save the file to your computer

6. Open File Explorer and browse to the location where the downloaded file is saved

7. Double-click the BIOS setup file and follow the on-screen instructions to complete the installation process