Acpi Msft0101 Driver Download Work May 2026

The hardware ID ACPI\MSFT0101 refers to the Intel Platform Trust Technology (PTT), which is an integrated security feature that emulates Trusted Platform Module (TPM) 2.0 functionality. This device is primarily used for security tasks like BitLocker drive encryption and credential storage. Driver Availability and Installation

• The Technical Side: ACPI stands for Advanced Configuration and Power Interface. This specific identifier is used by Windows to communicate with the TPM security chip.
• The Context: This driver issue most commonly appears after a user has performed a clean install of Windows or after a major Windows Update. It simply means Windows has detected the security hardware but hasn't found the specific driver interface to talk to it yet.

Note: This device is not supported on 32-bit (x86) versions of Windows 7. 2. For Windows 8.1, 10, and 11 Acpi Msft0101 Driver Download