The hardware ID ACPI\MSFT0101 refers to the Intel Platform Trust Technology (PTT), which provides TPM 2.0 (Trusted Platform Module) functionality on modern systems.

If you see nothing there, proceed to Method 3.

Many users find success by visiting their manufacturer's support site (like

: You can verify your specific device by right-clicking it in Device Manager, selecting Properties > Details , and choosing Hardware Ids from the dropdown. HP Support Community 4. Is the Driver Necessary?

Future Research Directions

Windows 7 (64-bit): Windows 7 does not support TPM 2.0 by default. You must install a specific Microsoft hotfix to recognize the device:

If the device appears with a yellow exclamation mark, it might be disabled in your system's firmware.

The Fix: Install the Update to add support for TPM 2.0 in Windows 7 (KB2920188).