On-Screen Keyboard fails during preboot authentication on a Hewlett Packard Elite x2 1012 G1
Last Modified: 2024-01-06 09:47:39 Etc/GMT
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On-Screen Keyboard fails during preboot authentication on a Hewlett Packard Elite x2 1012 G1
Technical Articles ID:
KB86961
Last Modified: 2024-01-06 09:47:39 Etc/GMT EnvironmentDrive Encryption (DE) 7.1.x
Hewlett Packard (HP) Elite x2 1012 G1 (BIOS Mode UEFI) Microsoft Windows 10 Pro (UK version)
ProblemThe On-Screen Keyboard (OSK) doesn't accept any input on a HP Elite x2 1012 G1 when the BIOS Mode is configured to use Unified Extensible Firmware Interface (UEFI).
After you install and activate DE 7.1, you can't authenticate at the preboot authentication screen if you use the OSK. NOTE: For more deatils, see KB78050 - How to use the Drive Encryption UEFI testing tool to verify if your tablet responds to the touch interface.
CauseThe Fast Boot option is enabled in the BIOS (this option speeds up the boot time), but also disables certain protocols and drivers that are required for preboot to function.
NOTE: Fast Boot was previously known as hybrid boot. SolutionAccess the BIOS and disable the Fast Boot UEFI option. With Fast Boot disabled, the UEFI Protocols are loaded correctly.
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