If the device cannot be found or won't start, ensure that TPM 2.0 or Intel PTT is enabled in your BIOS security settings.
The device ID typically refers to the Intel Platform Trust Technology (PTT) or a Trusted Platform Module (TPM) 2.0 chipset component. For many users, this device appears as an "Unknown Device" in the Windows Device Manager after a fresh installation or major update. What is the ACPI MSFT0101 Device? -NEW- Acpi Msft0101 Driver 77 2021
This device is a core security component found on Intel Skylake and newer motherboards. It provides , which is essential for hardware-based security features like: If the device cannot be found or won't
While earlier versions of this driver were integrated into the or Intel Trusted Execution Engine (TXE) , specific updates released in late 2021 (such as the Lenovo ACPI Driver released in November 2021) were designed to improve compatibility with Windows 11 . How to Install the ACPI MSFT0101 Driver What is the ACPI MSFT0101 Device