recreate the issue) we could narrow down the scope and look for changes. How to use ProcMonīecause we could control the behavior (i.e. All of this pointed to some specific registry key being set when the tablet was docked, which instructed the Touch Keyboard (TableTip.exe) to be suppressed at login when docked. This strange behavior told me that something was happening related to the system being docked, which was telling Windows to suppress the keyboard on the login screen. The weirdest part? If the tablet is undocked, even if you plug a USB Keyboard into the tablet…the On Screen keyboard will display! The Cause While these values allow the Windows keyboard to appear anywhere within Windows, it has no affect on the lock screen if the system is in a docking station. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\TabletTip\1.7\EnableDesktopModeAutoInvoke=1 Regardless of the values you set elsewhere on the system for keyboard preference (like these keys below): Life isn’t perfect and we don’t have time to wait! Sometimes all you really need is to open up Process Monitor and then write your own hack. If it affected many people, Microsoft would roll out a patch for it. In a perfect world, we’d wait for a hotfix. While we wait for Microsoft to create a patch to fix this, I’ve created my own workaround, using WMI Events and PowerShell! To illustrate how weird this confluence of conditions was, I’ve provided a video And using the dated compatibility keyboard (OSK.exe) was not an option. But for a regular password? Nope, no On-Screen Keyboard. Paradoxically, if the user has a Windows Hello Pin specified, that version of the touch keyboard will appear. We wanted users to have to input their password, but noticed that if a Windows 10 machine is in the docking station, the Touch Keyboard will never display! Recently, I had a customer looking at setting up potentially tens of thousands of Point of Sale Kiosks running Windows 10 on an LTSB branch.
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