ACPI\MSFT0101 device ID refers to the Intel Platform Trust Technology (PTT)
Windows Update sometimes reverts to an older driver. Use the “Show or hide updates” troubleshooter from Microsoft to block the old driver and keep version 77.
Not supported; the device may appear as "Unknown" in Device Manager. Common Issues and Solutions If you see an exclamation mark or "Unknown Device" for in your Device Manager, consider these steps: Enable UEFI Mode : This device often requires the BIOS to be running in rather than Legacy/CSM to function correctly. : Check your BIOS settings to ensure -NEW- Acpi Msft0101 Driver 77 2021
: For the system to recognize this device and install the correct driver, the BIOS must be running in UEFI mode with PTT or TPM enabled.
While "Driver 77 2021" isn't a standard retail product name, here is a review of what this driver update generally entails for modern Windows systems: ACPI\MSFT0101 device ID refers to the Intel Platform
: Ensuring the OS has not been tampered with during boot.
It enables TPM 2.0 support on newer motherboards (Intel Skylake and later), which is required for features like Windows 11 compatibility and advanced security. Operating System Context: Windows 10/11: Common Issues and Solutions If you see an
The Acpi Msft0101 Driver, version 77 (2021), comes with several key features that enhance its performance and functionality:
