Because Windows 7 was released long before TPM 2.0 became a standard, it does not include the driver natively. This guide explains how to identify the device and install the necessary hotfix to resolve the error. What is the ACPI\MSFT0101 Device?
Restart your PC and enter the (usually by pressing F2 , Del , or Esc ). Look for a menu labeled Security , Advanced , or Computing . Acpi Msft0101 Driver Windows 7
: This device is not supported on 32-bit (x86) versions of Windows 7. How to Install the Driver for Windows 7 (64-bit) Because Windows 7 was released long before TPM 2
: Double-click the .msu file and follow the prompts. Restart your PC and enter the (usually by
If you see an "Unknown Device" with the hardware ID in your Windows 7 Device Manager, you are dealing with the Intel Platform Trust Technology (PTT) , which provides TPM 2.0 functionality.
: To function on Windows 7, your system must be running in UEFI mode .
Find or TPM 2.0 Security and set it to Disabled .