If you see an "Unknown Device" in your Windows 7 Device Manager with the hardware ID ACPI\MSFT0101, you aren't alone. This is a common issue for users running Windows 7 on newer hardware, particularly systems with Intel Skylake or later processors. What is ACPI\MSFT0101?
. There is limited to no support for the 32-bit version of Windows 7 for this specific device. Manufacturer Tools : Some manufacturers like acpi msft0101 driver windows 7 free
The hardware ID ACPI\MSFT0101 does not correspond to a specific brand like Realtek, Intel, or Broadcom. Instead, it is the hardware ID for a Trusted Platform Module (TPM 2.0). If you see an "Unknown Device" in your
support.lenovo.com.exe file (size ~1-2 MB). It is completely free.Select "Browse my computer for driver software". Go to the Lenovo Support website: support