Acpi Msft0101 Driver ((hot)) Download May 2026

The hardware ID ACPI\MSFT0101 (or *MSFT0101) corresponds to the Trusted Platform Module (TPM) 2.0 device. This often appears as an "Unknown Device" with a yellow exclamation mark in the Windows Device Manager when the necessary support drivers are missing. Why You See This Error

Method 1: Using the Microsoft Update Catalog Acpi Msft0101 Driver Download

1. Restart your computer.
2. Press the BIOS key repeatedly during boot (usually F2, Del, F10, or Esc—check your screen or motherboard manual).
3. Look for a section named Security, Advanced, or Peripherals.
4. Find an option labeled:

   Apply Hotfix KB2920188: This specific update adds support for TPM 2.0 to Windows 7 and Windows Server 2008 R2. The hardware ID ACPI\MSFT0101 (or *MSFT0101 ) corresponds

   If it's listed as "Unknown Device," right-click it and select Update driver Search automatically for drivers Restart your computer

   The ACPI MSFT0101 Driver: A Comprehensive Overview and Download Guide