Newline Technical Services

This article is to inform you about a bug detected in the latest Microsoft Win 10 update 20H1/version 2004 affecting the X6/X8/X9 enabled displays.

1. The bug is acknowledged by Microsoft and a resolution/patch is in the works.
2. FlatFrog will keep you updated when the bug is resolved by Microsoft.
3. Please see below the containment steps to prevent the issue from happening

Background

• Microsoft released a Windows 10 update in May 2020 called 20H1/version 2004
• In this version, FlatFrog has detected and reported a Microsoft bug in the USB HID drivers affecting FlatFrog-enabled displays (and others)

Symptoms (when the issue happens)

• FlatFrog Touch kit starts acting as a mouse pointer, usually, a mouse pointer becomes visible
• No Multi-touch or pen/finger differentiation available
• Possibly no ink in drawing applications (due to behaving like a mouse pointer)

Steps to reproduce the issue

• The issue is triggered when the Windows computer wakes up from sleep mode

Containment steps to prevent the issue from happening (Please do one or several of the following)

• Do not upgrade to Windows 20H1/version 2004
• If you have Win 20H1/version 2004 and experiencing the bug
• FlatFrog recommends disabling sleep mode on the Windows computer, for now, to not trigger the bug
• If you awaken from sleep mode and are experiencing the bug
• Unplug and re-connecting the USB touch cable may temporarily solve the issue
• If that doesn’t work, restart the computer to temporarily solve the issue