Specifically, this ID is used by the Windows ACPI driver parser to identify a TPM 2.0 device. On modern motherboards (manufactured roughly 2015 and later), the TPM chip is standard. However, Windows 7 was released long before TPM 2.0 became standard, and it natively supports TPM 1.2. Consequently, Windows 7 does not include the inbox drivers required to recognize or manage a TPM 2.0 chip. All Thing Fair 1995 Sub Indo | Things Fair (1995)
The ACPI MSFT0101 device is the hardware interface for the Trusted Platform Module (TPM) . Dadcrush Riley Star Family Therapy 14012
The Issue Users performing a clean install of Windows 7 on modern laptops or desktops often encounter an entry in the Device Manager listed under "Other devices" as Unknown Device . Checking the hardware ID (usually by right-clicking the device > Properties > Details > Hardware IDs) reveals the code ACPI\MSFT0101 or MSFT0101 .